| Navy | The Royal Navy |
| Type | Minesweeper |
| Class | YMS |
| Pennant | J 811 |
| Built by | Associated Shipbuilders (Seattle, Washington, U.S.A.) |
| Ordered | 6 Jun 1941 |
| Laid down | 25 Feb 1942 |
| Launched | 30 Apr 1942 |
| Commissioned | 21 Sep 1942 |
| End service | |
| History | Returned to the USN on 7 July 1947. |
| Former name | BYMS 11 |
Commands listed for HMS BYMS 2011 (J 811)
Please note that we're still working on this section
and that we only list Commanding Officers for the duration of the Second World War.
| Commander | From | To | |
| 1 | T/Lt. Lewis Hutchinson, RNR | 5 Aug 1942 | Mar 1945 |
| 2 | T/S.Lt. Harold Wensley Knott, RNVR | Mar 1945 | Aug 1945 |
| 3 | T/Lt. Ralph Colling, RNVR | Aug 1945 | early 1946 |
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Notable events involving BYMS 2011 include:
4 Aug 1943
Convoy GTX 5.
This convoy departed Gibraltar on 4 August 1943.
It was made up of the following merchant vessels; Avristan (British, 7266 GRT, built 1942), Charles M. Hall (American, 7181 GRT, built 1942), City of Lyons (British, 7063 GRT, built 1926), Contractor (British, 6004 GRT, built 1930), Forresbank (British, 5155 GRT, built 1925), Fort Aklavik (British, 7132 GRT, built 1943), Fort Pine (British, 7133 GRT, built 1942), George Shiraz (American, 7200 GRT, built 1943), Hannis Taylor (American, 7176 GRT, built 1943), Levernbank (British, 5150 GRT, built 1925), Limburg (Dutch, 345 GRT, built 1928), Marit Maersk (Greek (former Danish), 1894 GRT, built 1938), Nurjehan (British, 5424 GRT, built 1923) and Pierre Laclede (American, 7181 GRT, built 1942).
The tugs Empire Ace (British, 274 GRT, built 1942) and Empire Denis (British, 274 GRT, built 1943) were also part of the convoy.
Also taking passage in the convoy were the minesweepers HMS BYMS 11 (T/Lt. L. Hutchinson, RNR), HMS BYMS 14 (T/Lt. E.D.J. Cox, RNR), HMS BYMS 24 (T/A.Skr.Lt. A.H.V. Winfield, RNR) and HMS BYMS 209 (T/Lt. P.H. Shorter, RNR).
On departure from Gibraltar the convoy was escorted by the escort destroyers HMS Farndale (Cdr. D.P. Trentham, RN), HMS Calpe (Lt.Cdr. H. Kirkwood, DSC, RN), HMS Haydon (Lt.Cdr. R.C. Watkin, RN) and the corvettes HMS Dianella (T/Lt. J.F. Tognola, RNR), HMS Lotus (Lt.Cdr. H.J. Hall, DSO, DSC, RD, RNR), HMS Poppy (T/Lt. D.R.C. Onslow, RNR) and HMS Starwort (Lt. A.H. Kent, DSC, RNR).
On 5 August 1943, the Pierre Laclede was detached to Oran while the following merchant vessels joined the convoy coming from Oran; Argonne (French, 2115 GRT, built 1920), Gulfdisc (American (tanker), 7140 GRT, built 1938), Lawton B. Evans (American, 7197 GRT, built 1943) and Thomas Nelson Page (American, 7176 GRT, built 1943).
HMS Farndale also made a brief stop at Oran and most likely escorted the ships leaving and joining the conyoy.
On 6 August 1943, the Charles M. Hall, George Shiras, Hannis Taylor as well as the Empire Ace and Empire Denis were detached to Algiers while the following merchant vessels joined the convoy coming from Oran; Alexander White (American, 7191 GRT, built 1942), Atlantic Coast (British, 890 GRT, built 1934), Beacon (American (tanker), 10388 GRT, built 1921), Como (British, 1295 GRT, built 1910), Corvus (Norwegian, 1317 GRT, built 1921), Defender (British, 8078 GRT, built 1915), Henry Middleton (American, 7177 GRT, built 1942), Iceland (British, 1236 GRT, built 1914), Isaac Coles (American, 7176 GRT, built 1942), James Monroe (American, 7176 GRT, built 1942), Lochee (British, 964 GRT, built 1937), Lucretia Mott (American, 7176 GRT, built 1943), Nacella (British (tanker), 8196 GRT, built 1943), Ocean Vigour (British, 7174 GRT, built 1942), Ousel (British, 1533 GRT, built 1922), Peter J. McGuire (American, 7181 GRT, built 1942), President de Vogue (Norwegian (tanker), 9320 GRT, built 1935), Spero (Norwegian, 3619 GRT, built 1919) and Stephen C. Foster (American, 7196 GRT, built 1943). Also joining from Algiers were the submarine HMS Trespasser (Lt.Cdr. R.M. Favell, RN) and the mooring vessel HMS Moorfly (?).
HMS Haydon and HMS Dianella also made a brief stop at Algiers and most likely escorted the ships leaving and joining the convoy.
On 7 August 1943, the merchant vessel Chateau Latour (French, 1912 GRT, built 1914) joined the convoy off Bougie.
Also on 7 August the Chateau Latour and Como were detached to Philippeville.
When to the west of Bone, the German submarine U-371 attacked the convoy and torpedoed and sank the Contractor.
Also on 7 August the Corvus, Fort Aklavik and Lawton B. Evans were detached to Bone while the following merchant vessels joined the convoy coming from Bone; Empire Scout (British, 2185 GRT, built 1936), Gallium (French, 1775 GRT, built 1924), Good Gulf (Panamanian (tanker), 7805 GRT, built 1938), Janine (French, 2345 GRT, built 1918) and Lewant (Polish, 1942 GRT, built 1930).
On 8 August 1943 the following merchant vessels were detached to Bizerta Alexander White, Argonne, Empire Scout, Good Gulf, Henry Middleton, Isaac Coles, James Monroe, Lucretia Mott, Nacella, Peter J. McGuire, Stephen C. Foster and Thomas Nelson Page while the following merchant vessels joined the convoy coming from Bizerta; Diloma (British (tanker), 8146 GRT, built 1939), Empire Prospero (British, 6766 GRT, built 1943), Frontenac (Norwegian (tanker), 7350 GRT, built 1928), Ocean Viking (British, 7174 GRT, built 1941) and Ocean Wanderer (British, 7178 GRT, built 1942).
Also on 8 August 1943, the following merchant vessels were detached to Tunis; Gallium, Lochee, Ocean Vigour, Ousel and Spero.
On 9 August 1943, the following merchant vessels arrived at Sousse after having been detached from the convoy; Atlantic Coast and Janine.
On 9 August 1943, the following ships were detached to Malta; Gulfdisc and Iceland as well as HMS BYMS 11, HMS BYMS 14, HMS BYMS 24, HMS BYMS 209 and HMS Moorfly.
The following merchant vessels joined the convoy coming from Malta; Afghanistan (British, 6992 GRT, built 1940), City of Newcastle (British, 6921 GRT, built 1915), Custodian (British, 5881 GRT, built 1928), Falkefjell (Norwegian (tanker), 7927 GRT, built 1931), Fort Augustus (British, 7134 GRT, built 1942), Fort Gaspereau (British, 7134 GRT, built 1943) and Forthbank (British, 5057 GRT, 1929).
The following merchant vessel joined the convoy coming from Sicily (Augusta / Syracuse); Benreoch (British, 5818 GRT, built 1921).
The Beacon was detached to Sicily.
The following merchant vessels joined the convoy coming from Tripoli; Evviva (Norwegian, 1597 GRT, built 1921), Fort Cataraqui (British, 7130 GRT, built 1942), Fort Chambly (British, 7130 GRT, built 1942), Fort Maurepas (British, 7133 GRT, built 1942), Garoet (Dutch, 7118 GRT, built 1917), Kalarand (British, 1496 GRT, built 1906) and Kola (British, 1538 GRT, built 1924).
The Lewant was detached to Tripoli.
At 1200B/10, HMS Trespasser was detached to proceed to Beirut independently.
On 14 August 1943 the following merchant vessels arrived at Alexandria after having been detached from the convoy; Afghanistan, Benreoch, City of Newcastle, Custodian, Defender, Empire Prospero, Forresbank, Fort Augustus, Fort Chambly, Fort Gaspereau, Fort Maurepas, Forthbank, Kalarand, Kola, Limburg, Ocean Viking and Ocean Wanderer.
Also the following escorts arrived at Alexandria; HMS Farndale, HMS Calpe, HMS Dianella and HMS Lotus.
HMS Haydon proceeded to Haifa.
The remainder of the convoy arrived at Port Said on 15 August 1943.