uboat.net

  Front page - Fighting the U-boats - Allied Warships

Follow us on Twitter
@uboatnet

Notable events involving O 9 include:

The history of HrMs O 9 as compiled on this page is extracted from the patrol reports and logbooks of this submarine.

This page was last updated in July 2016.

10 May 1940
In the early morning hours, HrMs O 9 (Lt. J. Metz, RNN), departed Den Helder to patrol off the Dutch coast. At 0636 hours a radio message is received that Holland is at war with Germany. O 9 remains on patrol. (1)

11 May 1940
Late in the evening HrMs O 9 (Lt. J. Metz, RNN) enters Den Helder harbour. (1)

12 May 1940
In the evening, HrMs O 9 (Lt. J. Metz, RNN), departed Den Helder together with HrMs O 10 (Lt. G. Quint, RNN(R)) to make for England. They were escorted by the tug Witte Zee. (1)

14 May 1940
HrMs O 9 (Lt. J. Metz, RNN) arrived at the Downs. (1)

15 May 1940
HrMs Willem van der Zaan (Lt. Cdr. H.D. Lindner RNN), HrMs O 9 (Lt. J. Metz, RNN), HrMs O 10 (Lt. G. Quint, RNN(R)), HrMs O 23 (Lt.Cdr. G. Koudijs, RNN) and HrMs O 24 (Lt.Cdr. G.B.M. van Erkel, RNN) all departed the Downs for Porstmouth where they arrived the next day. (1)

29 May 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Portsmouth for her 1st war patrol. She was ordered to patrol in the English Channel to the south of the Isle of Wight.

For the daily positions of HrMs O 9 during this patrol see the map below.

(2)

1 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) ended her 1st war patrol at Portland.

At Portland she is assigned to A/S training duties. (2)

7 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland. (1)

12 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland. (1)

15 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland. (1)

19 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland together with the British A/S yacht HMS Valena (Capt. W.H. Poole, RNR) and A/S trawler HMS Topaze (Lt.Cdr. J.N. Hambly, MBE, RN). (1)

20 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland. (1)

21 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Ambuscade (Lt.Cdr. R.A. Fell, RN) and ? (unreadable in the log of O 9). (1)

22 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Valena (Capt. W.H. Poole, RNR) and HMS Olvina (Lt.Cdr. C.G. Cuthbertson, RNR). (1)

24 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland. (1)

25 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Camellia (Lt.Cdr. E.M. Mackay, RNR) and HMS Hurricane (Lt.Cdr. H.C. Simms, RN). (1)

26 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Valena (Capt. W.H. Poole, RNR) and HMS Topaze (Lt.Cdr. J.N. Hambly, MBE, RN). (1)

27 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Camellia (Lt.Cdr. E.M. Mackay, RNR) and HMS Hambledon (Cdr. S.H. Carlill, RN). (1)

28 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Camellia (Lt.Cdr. E.M. Mackay, RNR) and HMS Hertfordshire (Skr. A.H. Sandford, RNR). (1)

29 Jun 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Hertfordshire (Skr. A.H. Sandford, RNR). (1)

2 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland. (1)

3 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland together with HMS St. Modwen (Cdr.(Retd.) W.A. Ford, RN) and two small vessels, most likely MA/SB's. (1)

4 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland together with HMS Geranium (T/Lt. A. Foxall, RNR). (1)

5 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Hertfordshire (Skr. A.H. Sandford, RNR). (1)

6 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Valena (Capt. W.H. Poole, RNR). (1)

7 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Portland with HMS Olvina (Lt.Cdr. C.G. Cuthbertson, RNR). (1)

9 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Portland for Rothesay. She made the passage together with HrMs O 10 (Lt. G. Quint, RNN(R)) and HrMs O 23 (Lt.Cdr. G.B.M. van Erkel, RNN). This later submarine was coming from Portsmouth.

The submarines were escorted by the Dutch torpedo boat HrMs Z 6 (Lt.Cdr. A.C. Lunbeck, RNN) during this passage. (1)

11 Jul 1940
The Dutch submarines HrMs O 9 (Lt. H.A.W. Goossens, RNN), HrMs O 10 (Lt. G. Quint, RNN(R)), HrMs O 23 (Lt.Cdr. G.B.M. van Erkel, RNN) and their escort the Dutch torpedo boat HrMs Z 6 (Lt.Cdr. A.C. Lunbeck, RNN) arrive at Milford Haven. (1)

12 Jul 1940
The Dutch submarines HrMs O 9 (Lt. H.A.W. Goossens, RNN), HrMs O 10 (Lt. G. Quint, RNN(R)), HrMs O 23 (Lt.Cdr. G.B.M. van Erkel, RNN) and their escort the Dutch torpedo boat HrMs Z 6 (Lt.Cdr. A.C. Lunbeck, RNN) depart Milford Haven for Rothesay. (1)

14 Jul 1940
The Dutch submarines HrMs O 9 (Lt. H.A.W. Goossens, RNN), HrMs O 10 (Lt. G. Quint, RNN(R)), HrMs O 23 (Lt.Cdr. G.B.M. van Erkel, RNN) and their escort the Dutch torpedo boat HrMs Z 6 (Lt.Cdr. A.C. Lunbeck, RNN) arrive at Rothesay. (1)

20 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Rothesay for Tobermory. She made the passage together with HMS Alecto (Cdr. R.M.G. Gambier, RN). (1)

21 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Tobermory. (1)

23 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Godetia (Lt.Cdr. G.V. Legassick, RNR) and HMS Primrose (Lt.Cdr. C.B. Sanders, RNVR). (1)

24 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Godetia (Lt.Cdr. G.V. Legassick, RNR) and HMS Primrose (Lt.Cdr. C.B. Sanders, RNVR). (1)

25 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Fandango (T/Lt. F.C. Hopkins, RNR). (1)

26 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Godetia (Lt.Cdr. G.V. Legassick, RNR) and HMS Primrose (Lt.Cdr. C.B. Sanders, RNVR). (1)

27 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Bluebell (Lt.Cdr. R.E. Sherwood, RNR) and HMS Fandango (T/Lt. F.C. Hopkins, RNR). (1)

29 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Godetia (Lt.Cdr. G.V. Legassick, RNR) and HMS Primrose (Lt.Cdr. C.B. Sanders, RNVR). (1)

31 Jul 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Bluebell (Lt.Cdr. R.E. Sherwood, RNR) and HMS Fandango (T/Lt. F.C. Hopkins, RNR). (1)

1 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Godetia (Lt.Cdr. G.V. Legassick, RNR), HMS Primrose (Lt.Cdr. C.B. Sanders, RNVR) and HMS Fandango (T/Lt. F.C. Hopkins, RNR). (1)

2 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Bluebell (Lt.Cdr. R.E. Sherwood, RNR), HMS Clematis (Cdr. Y.M. Cleeves, DSC, RD, RNR) and HMS Fandango (T/Lt. F.C. Hopkins, RNR). (1)

4 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Clematis (Cdr. Y.M. Cleeves, DSC, RD, RNR), HMS St. Zeno (Lt.Cdr. (retired) L.H. Moorhouse, RNR) and HMS Helier 2 (Skr. J. Mawer, RNR). (1)

7 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Clematis (Cdr. Y.M. Cleeves, DSC, RD, RNR), HMS St. Zeno (Lt.Cdr. (Retd.) L.H. Moorhouse, RNR) and HMS Helier 2 (Skr. J. Mawer, RNR). (1)

8 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS St. Zeno (Lt.Cdr. (Retd.) L.H. Moorhouse, RNR). (1)

9 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Helier 2 (Skr. J. Mawer, RNR) and HMS Terje 4 (Skr. J. Hodson, RNR). (1)

10 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Terje 4 (Skr. J. Hodson, RNR). (1)

11 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Southern Gem (T/Lt. C.E. Denne, RNVR) and HMS Helier 2 (Skr. J. Mawer, RNR). (1)

16 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Southern Gem (T/Lt. C.E. Denne, RNVR). (1)

19 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Southern Gem (T/Lt. C.E. Denne, RNVR) and HMS Peony (Lt.Cdr.(Retd.) M.B. Sherwood, RN). (1)

21 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Southern Pride (Lt. N.B.J. Stapleton, RNR) and HMS Haarlem (T/Lt. L.B. Merrick, RNR). (1)

23 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Southern Pride (Lt. N.B.J. Stapleton, RNR) and HMS Recoil (Lt. I.M. Wilson, RNVR). (1)

24 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) and HMS H 32 (Lt. J.L. Livesey, RN) proceeded from Tobermory to Oban escorted by HMS Martinetta (T/S.Lt. J.A. Brightman, RNVR) and after embarking fuel and fresh water they returned to Tobermory together with HMS Alecto (Cdr. R.M.G. Gambier, RN). (1)

25 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Haarlem (T/Lt. L.B. Merrick, RNR) and HMS Recoil (Lt. I.M. Wilson, RNVR). (1)

26 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Anemone (Lt.Cdr. H.G. Boys-Smith, DSO, RNR). (1)

27 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Tobermory for Rothesay. She made the passage together with HMS Alecto (Cdr. R.M.G. Gambier, RN). (1)

28 Aug 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Rothesay. (1)

8 Oct 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) was towed from Rothesay to Troon where she was immediately docked. (3)

16 Oct 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) was undocked. She then proceeded from Troon to Rothesay. (3)

10 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) shifted from Rothesay to Campbeltown. (3)

11 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown with HMS Terje 1 (Skr. C. Coultas, DSC, RNR) and HMS Terje 2 (Ch.Skr. G.R. Gale, RNR). (3)

12 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (3)

13 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (3)

14 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (3)

15 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (3)

16 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (3)

18 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (3)

19 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (3)

23 Nov 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) shifted from Campbeltown to Rothesay. (3)

2 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Rothesay for Tobermory. She was escorted by HMS Freesia (Lt.Cdr. T.G. Hill, RNR). (3)

3 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Tobermory where she was to participate in A/S exercises. (3)

5 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Hollyhock (Lt. T.E. Davies, OBE, RNR) and HMS Tulip (Lt.Cdr. A. Wilkinson, RNR). (3)

10 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) and HrMs O 14 (Lt.Cdr. H. Tichelman, RNN) proceeded from Tobermory to Oban escorted by HMS Martinetta (T/S.Lt. J.A. Brightman, RNVR) and after embarking fuel, oil and fresh water O 9 and HMS Martinetta returned to Tobermory. (3)

11 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Pelican (Cdr. L.A.K. Boswell, DSO, RN). (3)

12 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Pelican (Cdr. L.A.K. Boswell, DSO, RN). (3)

16 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Pelican (Cdr. L.A.K. Boswell, DSO, RN). (3)

18 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Marguerite (Lt.Cdr. A.N. Blundell, RNR) and HMS Lady Rosemary (T/Lt. G.H. Oldridge, RNR). (3)

19 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) proceeded from Tobermory to Oban escorted by HMS Martinetta (T/S.Lt. J.A. Brightman, RNVR). (3)

21 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) proceeded from Oban to Tobermory escorted by HMS Martinetta (T/S.Lt. J.A. Brightman, RNVR). (3)

22 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory. (3)

23 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory. (3)

26 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Notts County (T/Lt. R. Thorne, RNVR). (3)

27 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory. (3)

29 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory. (3)

31 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Orchis (Lt. A.D. White, RNR) or HMS Verbena (Lt.Cdr. D.A. Rayner, DSC, RNVR). (3)

2 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory. Upon completion of these she proceeded towards Rothesay together with HMS Alecto (Cdr. J.R.S. Brown, RN). (3)

3 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Rothesay. (3)

11 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) shifted from Rothesay to Campbeltown. (3)

12 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Foxtrot (T/Lt. S.R. Smith, RNR) and HMS Rumba (T/Lt. N.E. Hendy, RNVR). (3)

13 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Valena (Lt.Cdr. A.F.C. Gray, RNR) and HMS St. Modwen (Cdr.(Retd.) W.A. Ford, RN). (3)

14 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN). (3)

15 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Ellesmere (Lt. H. Roach, RNR). (3)

16 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Valena (Lt.Cdr. A.F.C. Gray, RNR). (3)

17 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (3)

20 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) shifted from Campbeltown to Ardishaig. (3)

21 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Ardishaig with MA/SB's. (3)

22 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) shifted from Ardishaig to Campbeltown. (3)

23 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (3)

24 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel (Skr. C. Coultas, DSC, RNR) and HMS Boarhound (Ch.Skr. S.G. Jinks, RNR). Upon completion of these exercises she proceeded towards Ettrick Bay. (3)

25 Jan 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted exercises in Inchmarnock Water. Upon completion of these exercises she proceeded to Rothesay. (3)

3 Feb 1941
During 3 and 4 February 1941, HrMs O 9 (Lt. H.A.W. Goossens, RNN), conducted exercises in Inchmarnock Water. These included night exercises. Several practice attacks were made on HMS Cutty Sark (Cdr.(Retd.) R.H. Mack, RN). (3)

6 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted exercises in the Clyde area. (3)

8 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) shifted from Rothesay to Campbeltown. (3)

9 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown with HMS Valena (Lt.Cdr. A.F.C. Gray, RNR) (4)

16 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown with HMS Legion (Cdr. R.F. Jessel, RN). Upon completion of these exercises she proceeded to Ardishaig. (4)

17 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Ardishaig with MA/SB's. (4)

18 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Ardishaig with MA/SB's. (4)

19 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Ardishaig with MA/SB's. Upon completion of these exercises she proceeded to Campbeltown. (4)

20 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown with HMS Topaze (Ch.Skr. G.R. Gale, RNR). (4)

21 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS St. Modwen (Cdr.(retired) W.A. Ford, RN) and HMS Boarhound (Skr. S.G. Jinks, RNR). (4)

22 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (4)

23 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) shifted from Campbeltown to Rothesay. (4)

28 Feb 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Rothesay for Londonderry. She was escorted by HMS Saladin (Lt.Cdr. L.J. Dover, RN). (4)

1 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Londonderry. (4)

3 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Beverley (Lt.Cdr. J. Grant, RN) and HMS Chelsea (Lt.Cdr. R.D.H.S. Pankhurst, RN). (4)

5 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Northern Gem (Skr.Lt. W.J.V. Mullender, DSC, RNR) and HMS Northern Wave (T/Lt. W.G. Pardoe-Matthews, RNR). (4)

19 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Chesterfield (Lt.Cdr. E. Gleave, RNR) and HMCS St.Francis (Lt.Cdr. H.F. Pullen, RCN). (4)

20 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Chesterfield (Lt.Cdr. E. Gleave, RNR) and HMCS St.Francis (Lt.Cdr. H.F. Pullen, RCN). (4)

21 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Rockingham (Lt. A.H.T. Johns, RN). (4)

22 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Londonderry for Falmouth. She was escorted by HMS Richmond (Lt.Cdr. A.F.L. Evans, RN) until 1445/23 when a British trawler took over the escort until 1945/23 hours when the Dutch trawler HrMs Ymuiden (Lt. H. van Zwanenburg, RNN) took over the escort. (4)

25 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Falmouth. (4)

26 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) and with HMS H 32 (Lt. B.G. Heslop, DSC, RN) both departed Falmouth for Dartmouth. They were escorted by HMS White Bear (Cdr.(Retd.) C.C. Flemming, RN). (4)

27 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Dartmouth. (4)

29 Mar 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Dartmouth for her 2nd war patrol. She was ordered to patrol in the Bay of Biscay.

For the daily positions of HrMs O 9 during this patrol see the map below.

(5)

7 Apr 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) is forced to abandon her patrol due to a shortage of distilled water for the battery. (5)

9 Apr 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) ended her 2nd war patrol at Falmouth. Whe was escorted in by HMS White Bear (Cdr.(Retd.) C.C. Flemming, RN). (5)

10 Apr 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) shifted from Falmouth to Plymouth. She was escorted by HMS Breda (Capt.(Retd.) A.E. Johnston, RN). (4)

11 Apr 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Plymouth for Holyhead. She made the passage together with HrMs O 10 (Lt. J.H. Geijs, RNN) and HMS H 33 (Lt. C.H. Rankin, RN). They were escorted by the Free French minesweeper La Moqueuse. (4)

13 Apr 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Holyhead. The other ships now proceeded to Rothesay. (4)

23 Apr 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted exercises off Holyhead. (4)

24 Apr 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted RD/F. trials off Holyhead with HMS Radiant (Cdr.(Retd.) J.W. Hoskyns, RN). (4)

25 Apr 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted RD/F trials off Holyhead with HMS Radiant (Cdr.(Retd.) J.W. Hoskyns, RN). (4)

30 Apr 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted exercises off Holyhead. (4)

3 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted R.D.F. trials off Holyhead with HMS Radiant (Cdr.(Retd.) J.W. Hoskyns, RN). (4)

5 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted R.D.F. trials off Holyhead with HMS Radiant (Cdr.(Retd.) J.W. Hoskyns, RN) and HMS PC 74 (A/Cdr.(Retd.) C.E.H. White, RN). (4)

6 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted R.D.F. trials off Holyhead with HMS Radiant (Cdr.(Retd.) J.W. Hoskyns, RN). (4)

8 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted R.D.F. trials off Holyhead with HMS Radiant (Cdr.(Retd.) J.W. Hoskyns, RN) and HMS PC 74 (A/Cdr.(Retd.) C.E.H. White, RN). (4)

9 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted R.D.F. trials off Holyhead with HMS Radiant (Cdr.(Retd.) J.W. Hoskyns, RN) and HMS PC 74 (A/Cdr.(Retd.) C.E.H. White, RN). (4)

20 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted R.D.F. trials off Holyhead with HMS PC 74 (A/Cdr.(Retd.) C.E.H. White, RN). (4)

21 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in R.D.F. trials off Holyhead. (4)

22 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted R.D.F. trials off Holyhead with HMS PC 74 (A/Cdr.(Retd.) C.E.H. White, RN). (4)

23 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Holyhead for Rothesay. She was escorted by the British patrol vessel HMS Goodwin (Lt.Cdr. J. Stretch, RNR). (4)

24 May 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Rothesay. (4)

3 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Inchmarnock with MA/SB's. (4)

4 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Inchmarnock with MA/SB's. (4)

5 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Inchmarnock with MA/SB's. (4)

7 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Inchmarnock with MA/SB's. Upon completion of these exercises she proceeded to Campbeltown. (4)

8 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(retired) H. Buckle, RN) and HMS Tuscarora (Lt.Cdr. (retired) N.T.B. Holt, RN). (4)

9 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS St. Modwen (Cdr.(Retd.) W.A. Ford, RN) and HMS Boarhound (Skr. S.G. Jinks, RNR). (4)

10 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS Spaniel (Skr. C. Coultas, DSC, RNR). (4)

11 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS St. Modwen (Cdr.(Retd.) W.A. Ford, RN) and HMS Boarhound (Skr. S.G. Jinks, RNR). (4)

12 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Tuscarora (Lt.Cdr.(Retd.) N.T.B. Holt, RN) and HMS L' Atlantique (Skr. A. McKay, RNR). (4)

13 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Tuscarora (Lt.Cdr.(Retd.) N.T.B. Holt, RN). Upon completion of these exercises she proceeded to Rothesay. (4)

17 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) was docked at Rothesay. (4)

20 Jun 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) was undocked. (4)

1 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Rothesay for Campbeltown. En-route exercises were carried out. (4)

2 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Tuscarora (Lt.Cdr.(Emgy.) Lord Teynham, RN) and HMS Spaniel (Skr. C. Coultas, DSC, RNR). (4)

3 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Valena (Lt.Cdr. A.F.C. Gray, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (4)

4 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS St. Modwen (Cdr.(Retd.) W.A. Ford, RN) and HMS La Flore. (4)

6 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (4)

7 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown with HMS Valena (Lt.Cdr. A.F.C. Gray, RNR), HMS La Cordeliere (Lt. A.J.G. Barff, RNR) and HMS La Flore.

8 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Spaniel (Skr. C. Coultas, DSC, RNR) and HMS Viceroy (Lt.Cdr. D.P. Trentham, RN).

9 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Bretwalda (Skr. J. Windram, RNR) and HMS Bedlington (Skr. J.H.D. Dansie, RNR).

10 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS Spaniel (Skr. C. Coultas, DSC, RNR). (4)

11 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Valena (Lt.Cdr. A.F.C. Gray, RNR) and HMS Boarhound (Skr. S.G. Jinks, RNR). (4)

12 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown. (4)

13 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS Spaniel (Skr. C. Coultas, DSC, RNR). (4)

14 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS Spaniel (Skr. C. Coultas, DSC, RNR). (4)

15 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Bretwalda (Skr. J. Windram, RNR) and HMS Shemara (Cdr.(retired) H. Buckle, RN). (4)

16 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS La Cordeliere (A/Lt.Cdr. A.J.G. Barff, RNR). (4)

17 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS Spaniel (Skr. C. Coultas, DSC, RNR). (4)

20 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS Valena (Lt.Cdr. A.F.C. Gray, RNR). (4)

21 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Valena (Lt.Cdr. A.F.C. Gray, RNR) and HMS Spaniel (Skr. C. Coultas, DSC, RNR). (4)

22 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Valena (Lt.Cdr. A.F.C. Gray, RNR) and HMS Spaniel (Skr. C. Coultas, DSC, RNR). (4)

23 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(retired) H. Buckle, RN) and HMS L'Incomprise (Lt.(Retd.) F.S. Deveson, RNR). (4)

24 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(retired) H. Buckle, RN) and HMS L' Atlantique (Skr. A. McKay, RNR). (4)

25 Jul 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Spaniel (Skr. C. Coultas, DSC, RNR). Upon completion of these exercises she proceeded to Rothesay. (4)

31 Jul 1941
HrMs O 10 (Lt. J.H. Geijs, RNN) participated in A/S exercises off Tobermory together with HMS Felixstowe (Lt.Cdr. C.H. Corbet-Singleton, DSC, RN), HMS Cape Palliser (T/Lt. G.E.P. Morris, RNR), HMS Rothesay (Cdr. A.A. Martin, DSC, RD, RNR) and FFS Senateur Duhamel. (6)

2 Aug 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Rothesay for Blyth. She was escorted by HrMs Z 5 (Lt. J.J. Steensma, RNN). (7)

5 Aug 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Blyth where she was to refit. She was docked the next day. (7)

30 Sep 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) was undocked. She then continued her refit at Blyth. (7)

13 Oct 1941
With her refit completed, HrMs O 9 (Lt. H.A.W. Goossens, RNN), started her trials at Blyth. (7)

14 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN conducted trials off Blyth. (7)

17 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Blyth for Rothesay. She was escorted by HrMs Z 5 (Lt. J.J. Steensma, RNN). (7)

19 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Tobermory. (7)

21 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Tobermory for Rothesay. She was still escorted by HrMs Z 5 (Lt. J.J. Steensma, RNN). (7)

22 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Rothesay. (7)

23 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) departed Rothesay for Londonderry. She was escorted by HMS St. Kenan (T/Lt. R.R. Simpson, RNR). (7)

24 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Londonderry. (7)

25 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Dahlia (T/Lt. M.S. Work, RNR). (7)

26 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with aircraft. (7)

27 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle. (7)

28 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle. (7)

30 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Exmoor (Lt.Cdr. L.StG. Rich, RN). (7)

31 Oct 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with aircraft. (7)

1 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Exmoor (Lt.Cdr. L.StG. Rich, RN). (7)

2 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Exmoor (Lt.Cdr. L.StG. Rich, RN). (7)

3 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Sabre (Lt. Sir P.W. Gretton, DSC, OBE, RN) and HMS Keppel (Cdr. J.E. Broome, RN) and later with HMS Chelsea (Lt.Cdr. A.F.C. Layard, RN), HMS Venomous (Cdr. H.W. Falcon-Steward, RN) and HNoMS Acanthus. (7)

4 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Alisma (A/Lt.Cdr. M.G. Rose, RANVR), HMS Chelsea (Lt.Cdr. A.F.C. Layard, RN), HMS Exmoor (Lt.Cdr. L.StG. Rich, RN) and HMS Campbeltown (Lt.Cdr.(Emgy.) Lord Teynham, RN). (7)

5 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Enchantress (Lt.Cdr. A.E.T. Christie, OBE, RN) and HMS Le Tiger (T/Lt. C.A. Hoodless, RNR). (7)

6 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Clare (Lt.Cdr. L.H. Landman, RN), HMS Hartland (Lt.Cdr. G.P. Billot, RNR), HMS Ibis (Lt.Cdr. H.M. Darell-Brown, RN) and HMS Sunflower (Lt.Cdr. J.T. Jones, RD, RNR). (7)

7 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Stork (Cdr. F.J. Walker, RN) and HMS Walney (Lt.Cdr. P.C. Meyrick, RN). (7)

10 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Alisma (A/Lt.Cdr. M.G. Rose, RANVR), HMS Kingcup (Lt.Cdr. R.A.D. Cambridge, DSC, RNR), HMS Venomous (Cdr. H.W. Falcon-Steward, RN) and HMS Rockingham (Lt.Cdr. A.H.T. Johns, RN). (7)

11 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Lough Foyle together with HMS Scimitar (Lt. R.D. Franks, OBE, RN). Upon completion of these exercises she set course to proceed to Rothesay. She made the passage together with HMS H 33 (Lt. A.J.W. Pitt, RN). They were escorted by HrMs Z 5 (Lt. J.J. Steensma, RNN). (7)

12 Nov 1941
HrMs O 9 (Lt. H.A.W. Goossens, RNN) arrived at Rothesay. (7)

16 Nov 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) departed Rothesay for Tobermory. She was escorted by HrMs Z 5 (Lt. J.J. Steensma, RNN). (7)

20 Nov 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Snowflake (Lt. H.G. Chesterman, RNR) and HMS Sluna (Lt.Cdr. E.W. Middleton, RNVR). (7)

21 Nov 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HNoMS Rose, HMS Bluebell (Lt.Cdr. R.E. Sherwood, RNR), HMS Rockrose (Lt.Cdr. J.D. Birch, RNR) and HMS Snowflake (Lt. H.G. Chesterman, RNR). (7)

22 Nov 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Rockrose (Lt.Cdr. J.D. Birch, RNR), HMS Snowflake (Lt. H.G. Chesterman, RNR), HMS Sluna (Lt.Cdr. E.W. Middleton, RNVR) and HMS Rosalind (Skr. E.G. Littler, DSC, RD, RNR). (7)

23 Nov 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMCS Rosthern (Cdr. P.B. Cross, RCNVR) and HMS Leyland (Lt. G.M. Dixon, RANVR). (7)

25 Nov 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Leyland (Lt. G.M. Dixon, RANVR) and HMS Newark (Lt.Cdr. R.H.W. Atkins, RN). (7)

27 Nov 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Sluna (Lt.Cdr. E.W. Middleton, RNVR) and HMS Rosalind (Skr. E.G. Littler, DSC, RD, RNR). (7)

28 Nov 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Rosalind (Skr. E.G. Littler, DSC, RD, RNR) and HMS Oracle (T/A/Lt.Cdr. S.A. Martyn, RNR). (7)

2 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Oracle (T/A/Lt.Cdr. S.A. Martyn, RNR) and HMNZS Kiwi (Lt.Cdr. G. Bridson, RNZNVR). (7)

3 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Oracle (T/A/Lt.Cdr. S.A. Martyn, RNR), HMNZS Kiwi (Lt.Cdr. G. Bridson, RNZNVR), HMS Rye (Lt. J.A. Pearson, DSC, RNR) and HMS Wells (Lt. L.J. Pearson, RN). (7)

4 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Oracle (T/A/Lt.Cdr. S.A. Martyn, RNR), HMNZS Kiwi (Lt.Cdr. G. Bridson, RNZNVR), HMS Rye (Lt. J.A. Pearson, DSC, RNR) and HMS Wells (Lt. L.J. Pearson, RN). (7)

5 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory. (7)

6 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Bellwort (T/A/Lt.Cdr. E.G. Donald, RNVR) and HMS Whitethorn (T/Lt. W.J. Griffiths, RNR). (8)

7 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Bellwort (T/A/Lt.Cdr. E.G. Donald, RNVR) and HMS Whitethorn (T/Lt. W.J. Griffiths, RNR). (8)

9 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Blackfly (T/Lt. A.P. Hughes, RNR) and HMS Paynter (Lt. R.H. Nossiter, RANVR). (8)

10 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Cape Mariato (T/Lt. H.T.S. Clouston, RNVR), HMS Rye (Lt. J.A. Pearson, DSC, RNR), HMS Tynwald (A/Capt. (retired) F.T. Peters, DSO, DSC, RN) and HMS Southern Wave (Skr. J. May, RNR). (8)

12 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Bellwort (T/A/Lt.Cdr. E.G. Donald, RNVR) and HMS Tynwald (A/Capt.(Retd.) F.T. Peters, DSO, DSC, RN). (8)

13 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory together with HMS Bellwort (T/A/Lt.Cdr. E.G. Donald, RNVR) and HMS Tynwald (A/Capt. (retired) F.T. Peters, DSO, DSC, RN), HMS Whitethorn (T/Lt. W.J. Griffiths, RNR) and another vessel. (8)

15 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) shifted from Tobermory to Oban. She was escorted by HMS Whitethorn (T/Lt. W.J. Griffiths, RNR). (8)

16 Dec 1941
HMS H 43 (Lt. R.B. Lakin, DSC, RN) departed Tobermory for Rothesay. At Oban HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) joined. The submarines were escorted by HMS Breda (Capt.(Retd.) A.E. Johnston, RN). (9)

17 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) arrived at Rothesay. (8)

20 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) departed Rothesay for her 3rd war patrol. She was ordered to patrol in the Bay of Biscay. During the passage south through the Irish Sea she was escorted by HMS Angle (T/Lt. E. Playne, RNVR).

Late in the evening O 9 was recalled and ordered to return to Rothesay. (8)

21 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) ended her 3rd war patrol at Rothesay. (8)

23 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) departed Rothesay for Milford Haven. She was escorted by HMS La Capricieuse (Lt.Cdr. G.W. Dobson, RNR). (8)

25 Dec 1941
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) arrived at Milford Haven with a defective starboard diesel engine. She was therefore unable to proceed on patrol in the Bay of Biscay. (8)

1 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) departed Milford Haven for Rothesay. The next day she made rendes-vous with HrMs O 10 (Lt. Baron D.T. Mackay, RNN) and HMS Otway (Lt.Cdr. (retired) J.R.G. Harvey, RN). They were escorted by HrMs Z 5 (Lt. J.J. Steensma, RNN). (8)

3 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) arrived at Rothesay. (8)

4 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) shifted from Rothesay to Campbeltown. (8)

5 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Boarhound (Skr. S.G. Jinks, RNR). (8)

6 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Boarhound (Skr. S.G. Jinks, RNR). (8)

7 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Spaniel. (8)

8 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS Bedlington (Skr. J.H.D. Dansie, RNR). (8)

9 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR). (8)

11 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS L'Incomprise (Lt.(Retd.) F.S. Deveson, RNR). (8)

12 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS La Flore. (8)

13 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Bretwalda (Skr. J. Windram, RNR) and HMS Bedlington (Skr. J.H.D. Dansie, RNR). (8)

14 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and another vessel. (8)

15 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS L' Atlantique (Skr. A. McKay, RNR). (8)

17 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Angle (T/Lt. E. Playne, RNVR) and HMS Boarhound (Skr. S.G. Jinks, RNR). (8)

18 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(retired) H. Buckle, RN) and HMS Boarhound (Skr. S.G. Jinks, RNR). (8)

20 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Bretwalda (Skr. J. Windram, RNR) and HMS Bedlington (Skr. J.H.D. Dansie, RNR). (8)

23 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Boarhound (Skr. S.G. Jinks, RNR). (8)

24 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS L' Atlantique (Skr. A. McKay, RNR). (8)

26 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Boarhound (Skr. S.G. Jinks, RNR). (8)

28 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Tuscarora (Lt.Cdr.(Emgy.) C.E. Lowther, RAN). (8)

29 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Bedlington (Skr. J.H.D. Dansie, RNR) and HMS Boarhound (Skr. S.G. Jinks, RNR). (8)

30 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Valena (Lt.Cdr. A.F.C. Gray, RNR) and HMS Boarhound (Skr. S.G. Jinks, RNR). (8)

31 Jan 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Tuscarora (Lt.Cdr.(Emgy.) C.E. Lowther, RAN), HMS La Flore and HMS L' Atlantique (Skr. A. McKay, RNR). (8)

1 Feb 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS L' Atlantique (Skr. A. McKay, RNR) and HMS Bretwalda (Skr. J. Windram, RNR). (8)

3 Feb 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Bedlington (Skr. J.H.D. Dansie, RNR) and HMS L'Incomprise (Lt.(Retd.) F.S. Deveson, RNR). (8)

4 Feb 1942
HrMs O 9 (Lt.Cdr. H.A.W. Goossens, RNN) participated in A/S exercises off Campbeltown together with HMS Tuscarora (Lt.Cdr.(Emgy.) C.E. Lowther, RAN) and HMS L' Atlantique (Skr. A. McKay, RNR). (8)

5 Feb 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown together with HMS Boarhound (Skr. S.G. Jinks, RNR) and HMS St. Modwen (Lt.Cdr. F.J. Webster, RNR). Upon completion of these exercises she proceeded to Rothesay. (8)

22 Feb 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) conducted post repair trials on Loch Striven. (8)

24 Feb 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) departed Rothesay for Tobermory. She was escorted by HMS Alecto (Cdr. J.R.S. Brown, RN). (8)

25 Feb 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) arrived at Tobermory. (8)

26 Feb 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory. (8)

27 Feb 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Othello (A/Lt.Cdr. H.S. Warren, RNR), another vessel (not able to read the name in O 9's log), HMS Saxifage (T/A/Lt.Cdr. R.P. Chapman, RNR) and HMS Lady Sharazad (Lt.Cdr. W.C. Shepherd, RNR). (8)

28 Feb 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory. (8)

5 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) conducted torpedo firing exercises and a towing exercise off Tobermory together with HMS Alecto (Cdr. J.R.S. Brown, RN). (8)

9 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Lady Sharazad (Lt.Cdr. W.C. Shepherd, RNR), HMS Duncton (T/Lt. P.J.G. Christian, RNVR), HMS Havelock (Cdr. E.H. Thomas, DSC, RN) and HMCS Brandon (T/Lt. J.C. Littler, RCNR). (8)

10 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Duncton (T/Lt. P.J.G. Christian, RNVR) and Slazak (Lt.Cdr. R. Nalecz-Tyminski, ORP), HMS Charlestown (Lt.Cdr. N.R. Murch, RN). (8)

11 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Duncton (T/Lt. P.J.G. Christian, RNVR) and Slazak (Lt.Cdr. R. Nalecz-Tyminski, ORP), HMS Charlestown (Lt.Cdr. N.R. Murch, RN). (8)

12 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Havelock (Cdr. E.H. Thomas, DSC, RN) and HMS Godetia (Lt. C.D. Smith, DSC, RNR). (8)

13 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) shifted from Tobermory to Oban escorted by HMS Alecto (Cdr. J.R.S. Brown, RN). (8)

14 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) shifted from Oban to Tobermory escorted by HMS Alecto (Cdr. J.R.S. Brown, RN). (8)

16 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Duncton (T/Lt. P.J.G. Christian, RNVR) and HMS Fetlar (A/Skr.Lt. W.J.P. Soloman, RNR). (8)

17 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Trondra (T/Lt. G.H. Riches, RNVR) and HMS Fetlar (A/Skr.Lt. W.J.P. Soloman, RNR). (8)

20 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Lady Sharazad (Lt.Cdr. W.C. Shepherd, RNR) and HMS Trondra (T/Lt. G.H. Riches, RNVR). (8)

21 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Antelope (Lt.Cdr. E.N. Sinclair, RN) and HMS Campanula (Lt.Cdr. W. Hine, RNR). (8)

22 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Hythe (Lt.Cdr. L.B. Miller, RN) and HMS Wells (Lt. L.J. Pearson, RN). (8)

23 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Wells (Lt. L.J. Pearson, RN) and HMS Fetlar (A/Skr.Lt. W.J.P. Soloman, RNR), HMS Campanula (Lt.Cdr. W. Hine, RNR) and HMS Pennywort (T/Lt. R.A. Mason, RNVR). (8)

28 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HNoMS Honningsvaag and HMS Pennywort (T/Lt. R.A. Mason, RNVR). (8)

29 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HNoMS Honningsvaag, HMS Pennywort (T/Lt. R.A. Mason, RNVR), HMS Godetia (Lt. C.D. Smith, DSC, RNR) and HMS Portsdown (Lt. E.L. Donkin, RNR). (8)

30 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory. (8)

31 Mar 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Tobermory together with HMS Godetia (Lt. C.D. Smith, DSC, RNR) and HMS Portsdown (Lt. E.L. Donkin, RNR). (8)

1 Apr 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) departed Tobermory for Rothesay. She was escorted by HMS Pennywort (T/Lt. R.A. Mason, RNVR). (8)

2 Apr 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) arrived at Rothesay. (8)

4 Apr 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) shifted from Rothesay to Ardrossan. (8)

11 Apr 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) was docked at Ardrossan. (8)

14 Apr 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) was undocked. (8)

22 Apr 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) shifted from Ardrossan to Rothesay. (8)

26 Apr 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) departed Rothesay for Londonderry. She was escorted by HMS White Bear (Cdr.(Retd.) C.C. Flemming, RN). (8)

27 Apr 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) arrived at Londonderry. (8)

30 Apr 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Lough Foyle together with HMCS Mayflower (A/Lt.Cdr. G.H. Stephen, RCNR) and HMS Campion (Lt.Cdr. A. Johnson, RNVR). (8)

1 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Lough Foyle together with HMCS Rosthern (Cdr. P.B. Cross, RCNVR), USS Niblack (Lt.Cdr. E.R. Durgin, USN), HMS Lowestoft (Lt.Cdr.(Retd.) F.B. Proudfoot, RN) and HMS Pelican (Cdr. G.V. Gladstone, RN). (8)

2 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Lough Foyle together with HMS Lowestoft (Lt.Cdr.(Retd.) F.B. Proudfoot, RN), HMS Pelican (Cdr. G.V. Gladstone, RN) and HMS Quadrille (T/Lt. N.T. Chetwood, RNVR). (8)

3 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Lough Foyle together with HMS Quadrille (T/Lt. N.T. Chetwood, RNVR). (8)

7 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) departed Londonderry for Rothesay. She was escorted by HMS Cape Mariato (T/Lt. H.T.S. Clouston, RNVR). (8)

8 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) arrived at Rothesay. (8)

14 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in Asdic trials off Largs together with HMCS Dunvegan (T/Lt. J.A. Tullis, RCNR). (8)

19 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with the harbour defence off Rothesay. (10)

20 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Fairlie. (10)

21 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in D/F trials off Rothesay. (10)

22 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) conducted attack exercises on the Clyde together with HrMs Jan van Gelder (Lt. P.L.M. van Geen, RNN). (10)

27 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Largs. (10)

28 May 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises on the Clyde together with HMS Kingfisher (Cdr. (retired) W.V.H. Harris, DSC, RN). (10)

1 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises on the Clyde together with HMS Kingfisher (Cdr.(Retd.) W.V.H. Harris, DSC, RN). (10)

2 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) conducted practice attacks on the Clyde on HMS Bedlington (Skr. J.H.D. Dansie, RNR) and HMS Z 5 (T/A/Lt.Cdr. S.T. Wenlock, RNR). (10)

7 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) conducted practice attacks on the Clyde. (10)

8 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) conducted practice attacks in Inchmarnock Water on HMS Breda (Capt.(Retd.) A.E. Johnston, RN) and HMS Alecto (Cdr. J.R.S. Brown, RN). (10)

9 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises in Inchmarnock Water together with HMS Kingfisher (Cdr.(Retd.) W.V.H. Harris, DSC, RN). (10)

10 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) conducted practice attacks in Inchmarnock Water. (10)

14 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) departed Rothesay for Dundee. She was escorted by HMS Z 5 (T/A/Lt.Cdr. S.T. Wenlock, RNR). (10)

17 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) arrived at Dundee. (10)

18 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) shifted from Dundee for Rosyth. She was escorted by HMS Loch Monteith (T/Lt. K.W. Richardson, RNR). (10)

19 Jun 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) shifted from Rosyth to Grangemouth where she was to refit. (10)

28 Aug 1942
During her refit, HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN), was docked at Grangemouth. (10)

15 Sep 1942
HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) was undocked and continued her refit at Grangemouth. (10)

6 Oct 1942
HrMs O 9 (with Lt. S.H. de Boer, RNN temporary in command as Lt. J.F. Drijfhout Van Hooff, RNN was in hospital) was docked at Grangemouth. (10)

28 Oct 1942
HrMs O 9 (with Lt. S.H. de Boer, RNN still in temporary command) was undocked. (10)

12 Feb 1943
With her refit completed, HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN), shifted from Grangemouth to Rosyth. (10)

15 Feb 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) shifted from the Firth of Forth to Dundee. She was escorted by HMS ML 464 (T/Lt. R.H. Davison, RNVR). (10)

17 Feb 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) conducted trials off Dundee. (10)

20 Feb 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) departed Dundee for Rosyth. She was escorted by HMS Loch Monteith (T/Lt. K.W. Richardson, RNR) until 1045/21 when HMS Scalby Wyke (Skr. A. Mackay, RNR) took over the escort. (10)

23 Feb 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) arrived at Rothesay. (10)

28 Feb 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

1 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

2 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. Upon completion of these exercises she proceeded to Campbeltown. (10)

3 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown. (10)

4 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Cdr.(Retd.) K.W. Stewart, RN) and HMS Spaniel. (10)

5 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown together with HMS Shemara (Lt.Cdr. H. Buckle, RN) and HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR). (10)

7 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) shifted from Campbeltown to Ardishaig. (10)

8 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

9 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

10 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

11 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

12 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. Upon completion of these exercises she proceeded to Campbeltown. (10)

14 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. A. McKay, RNR). (10)

15 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Bedlington (Skr. J.H.D. Dansie, RNR). (10)

16 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Boarhound (Skr. A. Keable, RNR). (10)

17 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(retired) H. Buckle, RN) and HMS Radiant (T/Lt. C.S.R. Shapland, RNVR). (10)

18 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Boarhound (Skr. A. Keable, RNR). (10)

19 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Valena (Lt.Cdr. E. Gleave, RNR) and HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR). (10)

21 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) shifted from Campbeltown to Ardishaig. (10)

22 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

23 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

24 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. Also a practice attack was made on HDML 1252. (10)

25 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

26 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises with ML's off Ardishaig. (10)

29 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) shifted from Ardishaig to Campbeltown. (10)

30 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (10)

31 Mar 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Cdr.(Retd.) K.W. Stewart, RN) and HMS Radiant (T/Lt. C.S.R. Shapland, RNVR). (10)

1 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Bedlington (Skr. J.H.D. Dansie, RNR). (10)

2 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Bedlington (Skr. J.H.D. Dansie, RNR) and HMS Boarhound (Skr. A. Keable, RNR). (10)

3 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR) and HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR). (10)

4 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Bedlington (Skr. J.H.D. Dansie, RNR) and HMS Radiant (T/Lt. C.S.R. Shapland, RNVR). (10)

5 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Radiant (T/Lt. C.S.R. Shapland, RNVR). (10)

6 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Cdr.(Retd.) K.W. Stewart, RN) and HMS Spaniel. (10)

7 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. A. McKay, RNR) and HMS Tuscarora (Cdr.(Retd.) K.W. Stewart, RN). (10)

8 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS Boarhound (Skr. A. Keable, RNR). (10)

9 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (10)

11 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Boarhound (Skr. A. Keable, RNR). (10)

12 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR) and HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR). (10)

13 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Spaniel. (10)

14 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Cdr.(Retd.) K.W. Stewart, RN) and HMS L' Atlantique (Skr. A. McKay, RNR). (10)

15 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Valena (Lt.Cdr. E. Gleave, RNR) and HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR). (11)

16 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with ML's. (11)

19 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel. (11)

20 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Valena (Lt.Cdr. E. Gleave, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

21 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Valena (Lt.Cdr. E. Gleave, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

22 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Bedlington (Skr. J.H.D. Dansie, RNR). (11)

23 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR). (11)

25 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Bedlington (Skr. J.H.D. Dansie, RNR). (11)

27 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

28 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR). (11)

29 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR). (11)

30 Apr 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Bedlington (Skr. J.H.D. Dansie, RNR). (11)

2 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR) and HMS Tuscarora (Cdr.(Retd.) K.W. Stewart, RN). (11)

3 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with ML's. (11)

4 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with ML's. (11)

5 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR) and HMS Bedlington (Skr. J.H.D. Dansie, RNR). (11)

6 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with ML's. (11)

7 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with ML's. (11)

10 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Boarhound (Skr. A. Keable, RNR). (11)

11 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. A. McKay, RNR) and HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR). (11)

12 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS Bedlington (Skr. J.H.D. Dansie, RNR). (11)

13 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Boarhound (Skr. A. Keable, RNR). (11)

14 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. A. McKay, RNR) and HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR). (11)

16 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

17 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Bedlington (Skr. J.H.D. Dansie, RNR) and HMS Chanticleer (Lt.Cdr. R.H. Bristowe, DSO, RN). (11)

18 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with ML's. (11)

19 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with ML's. Upon completion of these exercises she proceeded to Rothesay. (11)

25 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) shifted from Rothesay to Arrochar for torpedo firing trials. (11)

27 May 1943
With her torpedo firing trials completed, HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN), returned to Rothesay. (11)

31 May 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) conducted practice attacks in Bute Sound on HMS Breda (Capt.(Retd.) A.E. Johnston, RN). (11)

23 Jun 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) was docked at Rothesay. (11)

28 Jun 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) was undocked. (11)

4 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) shifted from Rothesay to Campbeltown. (11)

5 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS Spaniel. (11)

6 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

7 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS Spaniel. (11)

8 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

11 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS Bedlington (Skr. A.W. Peak, RNR). Upon completion of these exercises she procedeeded to Ardishaig. (11)

12 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Ardishaig together with ML's. (11)

13 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Ardishaig together with ML's. (11)

14 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Ardishaig together with ML's. (11)

15 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Ardishaig together with ML's. (11)

16 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Ardishaig together with ML's. Upon completion of these exercises O 9 returned to Campbeltown. (11)

18 Jul 1943
HrMs O 9 (Lt.Cdr. J.F. Drijfhout van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

19 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

20 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

21 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

22 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

23 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Bedlington (Skr. A.W. Peak, RNR). (11)

25 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Boarhound (Skr. A. Keable, RNR). Upon completion of these exercises she proceeded to Ardishaig. (11)

26 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Ardishaig together with ML's. (11)

27 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Ardishaig together with ML's. Upon completion of these exercises she returned to Campbeltown. (11)

28 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr. (retired) W.R.T. Clements, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

29 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(retired) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

30 Jul 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

1 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

2 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Bedlington (Skr. A.W. Peak, RNR) and HMS Spaniel. (11)

3 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR) and HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR). (11)

4 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR). (11)

6 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS Shemara (Cdr.(Retd.) H. Buckle, RN). (11)

8 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

9 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR). (11)

10 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

11 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR). (11)

12 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Spaniel. (11)

15 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) shifted from Campbeltown to Ardishaig. (11)

16 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Ardishaig together with ML's. (11)

17 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Ardishaig together with ML's. Upon completion of these exercises she returned to Campbeltown. (11)

18 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS Boarhound (Skr. A. Keable, RNR). (11)

19 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS Bretwalda (Skr.Lt. J.R. Coultas, RD, RNR). (11)

20 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Boarhound (Skr. A. Keable, RNR). (11)

22 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Bedlington (Skr. A.W. Peak, RNR). (11)

23 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(retired) H. Buckle, RN) and HMS L'Incomprise (Lt.Cdr. (retired) F.S. Deveson, RNR). (11)

24 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

25 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Spaniel. (11)

26 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

27 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Bedlington (Skr. A.W. Peak, RNR). (11)

29 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

30 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

31 Aug 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Spaniel. (11)

1 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

2 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Altair (Lt.Cdr. (retired) W.R.T. Clements, RNR). (11)

3 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

5 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN), HMS L' Atlantique (Skr. A. McKay, RNR), HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR) and HMS Boarhound (Skr. A. Keable, RNR). (11)

6 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

7 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS Bedlington (Skr. A.W. Peak, RNR). (11)

8 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

9 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN), HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

12 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (11)

13 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

14 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr. (retired) W.R.T. Clements, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

15 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

16 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Boarhound (Skr. A. Keable, RNR). (11)

17 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

20 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS L' Atlantique (Skr. A. McKay, RNR). (11)

21 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

22 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Boarhound (Skr. A. Keable, RNR). (11)

23 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

26 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR). (11)

27 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) shifted from Campbeltown to Ardishaig where she participate in A/S exercises with ML's. (11)

28 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises with ML's off Ardishaig. (11)

29 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises with ML's off Ardishaig. Upon completion of these exercises she returned to Campbeltown. (11)

30 Sep 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). (11)

1 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) shifted from Campbeltown to Rothesay. (11)

2 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) was docked at Port Bannatyne. (11)

6 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) was undocked. (11)

13 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) departed Rothesay for Tobermory. She was escorted by HMS Kihna (A/Cdr.(Retd.) A.R.W. Sayle, RD, RNR). (11)

14 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) arrived at Tobermory. (11)

15 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Texada (T/Lt. H.G. Reigate, RNVR), HMS Northern Sun (T/Lt. H. Meredith, RNVR), HMS Chelmer (T/A/Lt.Cdr. R.A. Cherry, RNR) and HMS Deptford (Lt.Cdr. H.R. White, RN). (12)

16 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Northern Sun (T/Lt. H. Meredith, RNVR), HMS Chelmer (T/A/Lt.Cdr. R.A. Cherry, RNR) and HMS Deptford (Lt.Cdr. H.R. White, RN). (12)

17 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Chelmer (T/A/Lt.Cdr. R.A. Cherry, RNR), HMS Grassholm (T/Lt. J.A. Antonsen, RNR), HMS Vanessa (Lt. C.E. Sheen, DSC, RN) and HMS Northern Sun (T/Lt. H. Meredith, RNVR), (12)

18 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Versatile (Lt.Cdr. G.S. Corlett, DSC, RN), HMS Vanessa (Lt. C.E. Sheen, DSC, RN), HMS Grassholm (T/Lt. J.A. Antonsen, RNR) and HMS Northern Gem (A/Skr.Lt. W.C. King, RNR). (12)

21 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Ganilly (T/Lt. M.W. Hampson, RNVR), HMS St. Agnes (A/Skr.Lt. W. Kirman, RNR), HMS Deptford (Lt.Cdr. H.R. White, RN) and HMS Grassholm (T/Lt. J.A. Antonsen, RNR). (12)

22 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Ganilly (T/Lt. M.W. Hampson, RNVR), HMS St. Agnes (A/Skr.Lt. W. Kirman, RNR), HMS Vanessa (Lt. C.E. Sheen, DSC, RN) and HMS Versatile (Lt.Cdr. G.S. Corlett, DSC, RN). (12)

23 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Versatile (Lt.Cdr. G.S. Corlett, DSC, RN), HMS Vanessa (Lt. C.E. Sheen, DSC, RN), HMS Minalto (A/Skr.Lt. A.G. Day, RNR). (12)

24 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Versatile (Lt.Cdr. G.S. Corlett, DSC, RN), HMS Black Swan (Lt.Cdr.(Retd.) R.C.V. Thomson, RN) and HMS Minalto (A/Skr.Lt. A.G. Day, RNR). (12)

27 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Black Swan (Lt.Cdr. (retired) R.C.V. Thomson, RN) and HMS Rosebay (Lt. R.J. Tadhunter, RNR). (12)

28 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Black Swan (Lt.Cdr. (retired) R.C.V. Thomson, RN), HMS Rosebay (Lt. R.J. Tadhunter, RNR), HMS Chelmer (T/A/Lt.Cdr. R.A. Cherry, RNR) and HMS Vervain (T/Lt. R.A. Howell, RNVR). (12)

29 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Black Swan (Lt.Cdr. (retired) R.C.V. Thomson, RN), HMS Chelmer (T/A/Lt.Cdr. R.A. Cherry, RNR), HMS Minalto (A/Skr.Lt. A.G. Day, RNR) and HMS Vervain (T/Lt. R.A. Howell, RNVR). (12)

30 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Vervain (T/Lt. R.A. Howell, RNVR), HMS Minalto (A/Skr.Lt. A.G. Day, RNR) and HMS Lady Sharazad (Lt.Cdr. W.C. Shepherd, RNR). (12)

1 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Black Swan (Lt.Cdr.(Retd.) R.C.V. Thomson, RN) and HMS Watchman (Lt.Cdr. G.H.D. Williams, RN). (12)

2 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Vervain (T/Lt. R.A. Howell, RNVR), HMS Rosebay (Lt. R.J. Tadhunter, RNR) and HMS Watchman (Lt.Cdr. G.H.D. Williams, RN). (12)

3 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Watchman (Lt.Cdr. G.H.D. Williams, RN), HMS Vervain (T/Lt. R.A. Howell, RNVR) and HMS Rosebay (Lt. R.J. Tadhunter, RNR). (12)

7 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Avon (Lt.Cdr. P.G.A. King, RD, RNR) and HMS Watchman (Lt.Cdr. G.H.D. Williams, RN). (12)

8 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Avon (Lt.Cdr. P.G.A. King, RD, RNR), HMS Watchman (Lt.Cdr. G.H.D. Williams, RN) and HMS Hadleigh Castle (T/A/Lt.Cdr. H.V. Gordon, DSC, RNVR). (12)

9 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Hadleigh Castle (T/A/Lt.Cdr. H.V. Gordon, DSC, RNVR), HMS Avon (Lt.Cdr. P.G.A. King, RD, RNR) and HMS Herschell (T/Lt. J.E. Freestone, RNR). (12)

10 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Hadleigh Castle (T/A/Lt.Cdr. H.V. Gordon, DSC, RNVR). (12)

12 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Windrush, HMS Avon (Lt.Cdr. P.G.A. King, RD, RNR) and HMS Mallow. (12)

13 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Avon (Lt.Cdr. P.G.A. King, RD, RNR) and HMS Mallow, HMS Watchman (Lt.Cdr. G.H.D. Williams, RN) and HMS Windrush. (12)

14 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Burnet (Lt. D.S. Charles, RNR) and HMS Herschell (T/Lt. J.E. Freestone, RNR). (12)

15 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Burnet (Lt. D.S. Charles, RNR) and HMS Snowflake (Lt. E.J. Powell, RNR). (12)

18 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Hadleigh Castle (T/A/Lt.Cdr. H.V. Gordon, DSC, RNVR) and HMS Mallow. (12)

19 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Hadleigh Castle (T/A/Lt.Cdr. H.V. Gordon, DSC, RNVR), HMS Snowflake (Lt. E.J. Powell, RNR) and HMS Burnet (Lt. D.S. Charles, RNR).

Upon completion of these exercises O 9 departed Tobermory for Campbeltown. She was escorted by HMS Avon (Lt.Cdr. P.G.A. King, RD, RNR). (12)

20 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) arrived at Campbeltown. (12)

21 Nov 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) shifted from Campbeltown to Rothesay. (12)

3 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) shifted from Rothesay to Campbeltown. after arriving off Campbeltown she participated in A/S exercises with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS La Flore (Lt. J. Mayling, RN). (12)

5 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (12)

6 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS La Flore (Lt. J. Mayling, RN). (12)

7 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR), HMS Altair (T/Lt. J.L. James, RNR), HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR) and HMS Bretwalda (Skr. J.B. Henderson, RNR). (12)

8 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (T/Lt. J.L. James, RNR) and HMS Bretwalda (Skr. J.B. Henderson, RNR). (12)

9 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (12)

12 Dec 1943
During 12 - 17 December 1943, HrMs O 9 (Lt. J.B.M.J. Maas, RNN), participated in A/S exercises with aircraft near Campbeltown. (12)

20 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR) and HMS Boarhound (Skr. A. Keable, RNR). (12)

21 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR) and HMS Bretwalda (Skr. J.B. Henderson, RNR). (12)

22 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Boarhound (Skr. A. Keable, RNR). (12)

23 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (12)

24 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR). (12)

26 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR) and HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN). (12)

29 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) shifted from Campbeltown to Ardishaid where she participated in A/S exercises with ML's. (12)

30 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises with ML's off Ardishaig. (12)

31 Dec 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises with ML's off Ardishaig. (12)

1 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises with ML's off Ardishaig. Upon completion of these exercises she returned to Campbeltown. (12)

3 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Boarhound (Skr. A. Keable, RNR). (12)

4 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (12)

5 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(retired) H. Buckle, RN) and HMS La Cordeliere (A/Lt.Cdr. A.J.G. Barff, RNR). (12)

6 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (T/Lt. J.L. James, RNR) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR). (12)

7 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS Radiant (T/Lt. C.S.R. Shapland, RNVR). (12)

9 Jan 1944
and HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS Bedlington (Skr. A.W. Peak, RNR). (12)

10 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR). (12)

13 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR) and HMS Bretwalda (Skr. J.B. Henderson, RNR). (12)

14 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR) and HMS Radiant (T/Lt. C.S.R. Shapland, RNVR). (12)

16 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR). (12)

17 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with aircraft. (12)

18 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with aircraft. (12)

20 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with aircraft. (12)

21 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with aircraft. (12)

24 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Boarhound (Skr. A. Keable, RNR). (12)

26 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(retired) H. Buckle, RN) and HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR). (12)

27 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS Radiant (T/Lt. C.S.R. Shapland, RNVR). (12)

28 Jan 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS Bretwalda (Skr. J.B. Henderson, RNR). (12)

1 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR). (12)

2 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with aircraft. (12)

3 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) shifted from Campbeltown to Rothesay. (12)

15 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) departed Rothesay for Londonderry. She made the passage together with HMS Uther (Lt. A.A. Catlow, RN). They were escorted by HMS Kihna (A/Cdr.(Retd.) A.R.W. Sayle, RD, RNR). (12)

16 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) arrived at Londonderry. (12)

18 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMCS Morden (T/Lt. E.C. Smith, RCNVR), HMCS St. Catharines (Lt.Cdr. H.C.R. Davis, RCNR) and HMS Fennel (A/Lt.Cdr. W.P. Moffat, RCNVR). (12)

19 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with aircraft and later with HMS Primrose (T/Lt. R.F. Pembry, RNR). (12)

20 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Drury (Lt. N.J. Parker, RN) and HMS Calder (T/A/Lt.Cdr. E. Playne, RNVR). (12)

21 Feb 1944
with HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Drury (Lt. N.J. Parker, RN), HMS Burges (Lt.Cdr. H. Hill, DSC, RD, RNR) and RHS Kriezis. (12)

22 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Volunteer (Lt.Cdr. J.E.R. Wilford, RNR), RHS Tompazis, HMS Orchis (T/Lt. B.W. Harris, DSC, RNVR), HMS Lavender (Lt. L.G. Pilcher, RNR) and HMS Buttercup (T/Lt. R.J. Jonckheere, RNR). (12)

23 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with ORP Burza (Lt.Cdr. F. Pitulko) and FFS La Découverte. (12)

25 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMCS Brandon (T/Lt. H.E. McArthur, RCNVR) and HMS Campanula (T/Lt. I. Bull, RNVR). (12)

26 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Campanula (T/Lt. I. Bull, RNVR) and HMS Nasturtium (T/Lt. W.N. Bishop-Laggett, RNR). (12)

27 Feb 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMCS Trillium (T/Lt. P.C. Evans, RCNR) and HMCS Woodstock (T/Lt. C.E. Wright, RCNVR). (12)

2 Mar 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Shiel (Lt. H.P. Crail, DSC, RNR) (12)

3 Mar 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Anguilla (T/A/Lt.Cdr. C. Morrison-Payne, RNVR). (12)

4 Mar 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Anguilla (T/A/Lt.Cdr. C. Morrison-Payne, RNVR). (12)

7 Mar 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Louis (A/Lt.Cdr. R. Johnston, RNR), HMCS Waskesiu (Lt.Cdr. J.P. Fraser, RCNR), HMCS Rimouski (T/Lt. R.J. Pickford, RCNVR) and HMCS Snowberry (T/Lt. J.A. Dunn, RCNVR). (12)

8 Mar 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMCS Snowberry (T/Lt. J.A. Dunn, RCNVR), HMCS Forrest Hill (T/Lt. E.U. Jones, RCNVR), an unidentified vessel (we are unable to read the name in the log of HrMs O 9) and HMCS La Malbaie (T/A/Lt.Cdr. J.S. Davis, RCNVR). (12)

14 Mar 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Tavy (T/A/Lt.Cdr. F. Ardern, RNR), HMS Swale (Lt.Cdr. J. Jackson, DSC, RNR), HMS Starwort (Lt. A.H. Kent, RNR), HMS Geranium (T/Lt. G. Wallace, RNR), HMS Londonderry (Lt.Cdr. L.B. Philpott, DSC, RD, RNR), HMS Louis (A/Lt.Cdr. R. Johnston, RNR), HMS Anguilla (T/A/Lt.Cdr. C. Morrison-Payne, RNVR) and HMS Petunia (Lt. R.M. Roberts, RNR). (12)

15 Mar 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Vidette (Lt.Cdr. R. Hart, DSC, RN or Lt. P.J. Stoner, RN), HMS Goodall (Lt.Cdr. J.V. Fulton, RNVR), HMCS Midland (T/Lt. W.O.O. Barbour, RCNR) and HMS Swale (Lt.Cdr. J. Jackson, DSC, RNR). (12)

16 Mar 1944
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Lough Foyle together with HMS Walker (Lt.Cdr. A.N. Rowell, RN). (12)

20 Mar 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with Mounsey (Lt. F.A.J. Andrew, RN). (12)

21 Mar 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with Mounsey (Lt. F.A.J. Andrew, RN) and HMS Lawson (Lt. J.P. Somerville, RN). (12)

22 Mar 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMS Kilbride (Lt. H.O. L’Estrange, DSC, RNR). (12)

23 Mar 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMS Kilbride (Lt. H.O. L’Estrange, DSC, RNR), HMS Helmsdale (Cdr. C.W. McMullen, RN), HMS Bayntun (Lt.Cdr. J.H. Wright, RD, RNR), an unidentified vessel (unable to read the name in the log of HrMs O 9) and HMS Clover (Lt. T.E. Fanshawe, DSC, RNR). (12)

24 Mar 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMS Lotus (Lt. C.S. Thomas, RNR). (12)

25 Mar 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMS Lotus (Lt. C.S. Thomas, RNR). (12)

2 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMS Dahlia (Lt. G.V. Ward, DSC, RNR). (12)

8 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMCS Matane (Lt.Cdr. A.F.C. Layard, DSO, RN), HMCS Swansea (A/Cdr. C.A. King, DSO, DSC, RCNR), HMCS Stormont (T/Skr.Lt. G.A. Myra, RCNR), HMCS Owen Sound (T/Skr.Lt. J.M. Watson, RCNR) and HMS Abelia (A/Lt.Cdr. O.G. Stuart, RCNVR). (12)

9 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMCS Matane (Lt.Cdr. A.F.C. Layard, DSO, RN) and HMS Abelia (A/Lt.Cdr. O.G. Stuart, RCNVR). (12)

12 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMCS Bittersweet (T/A/Lt.Cdr. F.B. Brooks-Hill, RCNVR), HMCS La Malbaie (T/A/Lt.Cdr. J.S. Davis, RCNVR), HMCS Prince Rupert (T/Lt.Cdr. R.W. Draney, RCNR), HMCS Saskatchewan (T/Lt.Cdr. A.H. Easton, DSC, RCNR), HMCS Eyebright (T/Lt. H.L. Quinn, RCNVR), HMCS Napanee (T/Lt. S. Henderson, RCNR) and HMCS Forrest Hill (T/Lt. E.U. Jones, RCNVR). (12)

13 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMCS Forrest Hill (T/Lt. E.U. Jones, RCNVR), HMCS Eyebright (T/Lt. H.L. Quinn, RCNVR), HMCS La Malbaie (T/A/Lt.Cdr. J.S. Davis, RCNVR), HMCS Long Branch (T/A/Lt.Cdr. A.B. Taylor, RCNR) and HMS Keats (T/A/Lt.Cdr. N.F. Israel, RNR). (12)

14 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMCS Long Branch (T/A/Lt.Cdr. A.B. Taylor, RCNR) and aircraft. (12)

15 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with aircraft. (12)

16 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMCS Cape Breton (T/Lt.Cdr. A.M. McLarnon, RCNR) and HMCS Outremont (T/A/Lt.Cdr. H. Freeland, DSO, RCNR). (12)

21 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMS Hesperus (Cdr. G.V. Legassick, RD, RNR) and HMS Gardiner (Lt. W.G.H. Bolton, DSC, RNR). (12)

22 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMS Hesperus (Cdr. G.V. Legassick, RD, RNR), HMS Gardiner (Lt. W.G.H. Bolton, DSC, RNR) and aircraft. (12)

23 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMS Flint Castle (T/Lt. N. Harrison, RNVR), HMS Oxford Castle (T/Lt. H.E. Holden, DSC, RNR), HMS Rushen Castle (T/A/Lt.Cdr. R.C. Warwick, DSC, RNR), HMS Vidette (Lt. P.J. Stoner, RN), HMS Chelmer (T/A/Lt.Cdr. R.A. Cherry, RNR) and HMS Swale (Lt.Cdr. J. Jackson, DSC, RNR). (12)

24 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with HMS Ekins (T/Lt. G.G. Bonner-Davies, RN), HMS Nasturtium (T/A/Lt.Cdr. W.N. Bishop-Laggett, RNR) and HMS Abelia (A/Lt.Cdr. O.G. Stuart, RCNVR). (12)

28 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with aircraft. (12)

29 Apr 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Lough Foyle together with aircraft. (12)

1 May 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) departed Londonderry for Rothesay. She was escorted by HMS Kihna (A/Cdr.(Retd.) A.R.W. Sayle, RD, RNR). (12)

2 May 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) arrived at Rothesay. (12)

20 May 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) was docked at Rothesay. (12)

25 May 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) was undocked. (12)

30 May 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) shifted from Rothesay to Campbeltown. (12)

31 May 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Spaniel. (12)

1 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR). (12)

2 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS L' Atlantique (Skr. C.A. Collins, RNR). (12)

6 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Ambuscade (Lt. H. Hutchinson, RN). (12)

7 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Radiant (T/Lt. C.S.R. Shapland, RNVR) and HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR). (12)

8 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR). (12)

11 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS L' Atlantique (Skr. C.A. Collins, RNR). (12)

14 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Ambuscade (Lt. J. Mayling, RN). (12)

15 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR) and HMS Ambuscade (Lt. H. Hutchinson, RN). (12)

16 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Bretwalda (Skr. J.B. Henderson, RNR). (12)

18 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel. (12)

19 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. C.A. Collins, RNR) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR). (12)

19 Jun 1944
HMS Upshot (Lt. H.W. Wilkinson, RN) conducted A/S exercises off Campbeltown with HMS Spaniel and HMS Boarhound (A/Ch.Skr. A. Keable, RNR). These included night exercises. Also a practice attack was carried out on HrMs O 9 (Lt. R.W. van Lynden, RNN). (13)

20 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with aircraft. (12)

21 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) conducted exercises off Campbeltown with HrMs O 10 (Lt.Cdr. A. van Altena, RNN(R)). (12)

25 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Spaniel. (12)

26 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR) and HMS Bedlington (Skr. A.W. Peak, RNR). (12)

27 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Spaniel. (12)

27 Jun 1944
During the night of 27/28 June 1944 HMS H 50 (Lt. W.T.J. Fox, RN) conducted exercises off Campbeltown with HrMs O 9 (Lt. R.W. van Lynden, RNN). (14)

28 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR). (12)

30 Jun 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Altair (T/Lt. J.L. James, RNR) and the French corvette Lobelia. (12)

2 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR). (12)

3 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN). (12)

4 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR) and HMS Bedlington (Skr. A.W. Peak, RNR). (12)

5 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) and HMS Vulpine (T/Lt. P.S. Thirsk, DSC, RNR) conducted attack exercises off Campbeltown with each other. (15)

6 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Bretwalda (Skr. J.B. Henderson, RNR) and HMS L' Atlantique (Skr. C.A. Collins, RNR). (12)

10 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) conducted A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN). (12)

11 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. C.A. Collins, RNR). (12)

12 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. C.A. Collins, RNR) and HMS Boarhound (Skr. A. Keable, RNR). (12)

13 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Altair (T/Lt. J.L. James, RNR) and HMS Bedlington (Skr. A.W. Peak, RNR). (12)

14 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. C.A. Collins, RNR) and HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR). (12)

15 Jul 1944
HMS Urtica (Lt. K.H. Martin, RN) conducted attack exercises off Campbeltown during which served HrMs O 9 (Lt. R.W. van Lynden, RNN) as the target. (16)

16 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) and HMS Urtica (Lt. K.H. Martin, RN) conducted exercises off Campbeltown with each other. (17)

17 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Bretwalda (Skr. J.B. Henderson, RNR) and HMS Valena (T/A/Lt.Cdr. A. McKinlay, RNR). (18)

18 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR). (18)

19 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Altair (T/Lt. J.L. James, RNR) and HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

20 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

23 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Aquamarine (T/Lt. M. Hellyer, RNVR) and HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

24 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR). (18)

26 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Bamborough Castle (T/Lt. M.S. Work, DSC and Bar, RNR). (18)

28 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR). (18)

30 Jul 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Bretwalda (Skr. J.B. Henderson, RNR) and HMS Aquamarine (T/Lt. M. Hellyer, RNVR). (18)

1 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Tintagel Castle (Lt. R. Atkinson, DSC, RNR), HMS Allington Castle (T/A/Lt.Cdr. W.G. Ogden, DSC, RNVR) and HMS Cygnet (Cdr. D.M. MacLean, RD, RNR). (18)

2 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS Altair (T/Lt. J.L. James, RNR). (18)

3 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Bamborough Castle (T/Lt. M.S. Work, DSC and Bar, RNR) and HMCS Arnprior (T/Lt. S.D. Thom, DSC, RCNVR). (18)

6 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN). (18)

7 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMCS Arnprior (T/Lt. S.D. Thom, DSC, RCNVR). (18)

9 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMCS Arnprior (T/Lt. S.D. Thom, DSC, RCNVR). (18)

10 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Altair (T/Lt. J.L. James, RNR). (18)

11 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR) and HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

14 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Bretwalda (Skr. J.B. Henderson, RNR) and HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

15 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Altair (T/Lt. J.L. James, RNR). (18)

16 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with aircraft. (18)

17 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

18 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR) and HMS Altair (T/Lt. J.L. James, RNR). (18)

20 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Buttercup (T/Lt. W.A.M.J. Libert, RNR). (18)

21 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with aircraft. (18)

22 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

23 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Buttercup (T/Lt. W.A.M.J. Libert, RNR). (18)

24 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Buttercup (T/Lt. W.A.M.J. Libert, RNR). (18)

25 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

27 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HNoMS Tunsberg Castle. (18)

28 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Buttercup (T/Lt. W.A.M.J. Libert, RNR). (18)

30 Aug 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR) and HMS Spaniel. (18)

1 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS PC 74 (A/Lt.Cdr. A. Richardson, RNR) and HMS Spaniel. (18)

2 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Wellington (Cdr. G.A. Thring, DSO, RN). (18)

4 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR) and HMS Altair (T/Lt. J.L. James, RNR). (18)

5 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR) and HMS Altair (T/Lt. J.L. James, RNR). (18)

6 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Tuscarora (Lt.Cdr.(Retd.) H.T. Pitt, RN) and HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

8 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR). (18)

10 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Spaniel and HMS Bedlington (Skr. A.W. Peak, RNR). (18)

11 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR). (18)

12 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS PC 74 (A/Lt.Cdr. A. Richardson, RNR) and HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR). (18)

14 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS L' Atlantique (Skr. C.A. Collins, RNR). (18)

15 Sep 1944
HrMs O 9 (Lt. R.W. van Lynden, RNN) shifted from Campbeltown to Rothesay. (18)

2 Oct 1944
HrMs O 9 (Lt.Cdr. J.B.M.J. Maas, RNN) departed Rothesay for Dundee. She made the passage together with HrMs O 10 (Lt. S.H. de Boer, RNN). They were escorted by HNoMS Narvik. (18)

8 Oct 1944
HrMs O 9 (Lt.Cdr. J.B.M.J. Maas, RNN) arrived at Dundee. (18)

28 Oct 1944
HrMs O 9 (Lt. S.H. de Boer, RNN) participated in A/S exercises off Dundee. (18)

29 Oct 1944
HrMs O 9 (Lt. S.H. de Boer, RNN) participated in A/S exercises off Dundee. (18)

30 Oct 1944
HrMs O 9 (Lt. S.H. de Boer, RNN) participated in A/S exercises off Dundee. (18)

3 Nov 1944
HrMs O 9 (Lt. S.H. de Boer, RNN) conducted exercises off Dundee together with HrMs Dolfijn (Lt.Cdr. J.B.M.J. Maas, RNN). (18)

7 Nov 1944
HrMs O 9 (Lt. S.H. de Boer, RNN) conducted exercises off Dundee. (18)

16 Nov 1944
HrMs O 9 (Lt. S.H. de Boer, RNN) conducted exercises off Dundee.

Due to the many defects and the age of the boat it was decided to decommission HrMs O 9. (18)

27 Jun 1945
O 9 departed Dundee for Rotterdam. (19)

30 Jun 1945
O 9 arrived at Rotterdam where she was used to provide electrical power. (19)