Jan van Dapperen, RNN
| Born | 2 Apr 1915 | Laboean Ratoe, Sumatra, Indonesia | |
| Died | 22 Apr 1996 | (81) | Den Haag, Netherlands |
| Ranks
Retired: 1 Sep 1969 Decorations |
Warship Commands listed for Jan van Dapperen, RNN
| Ship | Rank | Type | From | To |
| HNMS Zwaardvisch (P 322) | luitenant ter zee 2e klasse (Lt.) | Submarine | 23 Mar 1945 | 15 Sep 1945 |
Career information
We currently have no career / biographical information on this officer.
Events related to this officer
Submarine HNMS Zwaardvisch (P 322)
9 Apr 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) departed from Fremantle for her 7th war patrol. She is to patrol in the Java Sea.
For HrMs Zwaardvisch daily and attack positions during this patrol see the map below.
HrMs Zwaardvisch 7th war patrolclick here for bigger map (1)
13 Apr 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) topped off with fuel at Exmouth Gulf. (1)
25 Apr 1945 (position -6.21, 111.10)
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) sank two sailing vessels off Sourabaya, Netherlands East Indies.
(All times are zone -9)
1545 hours - Sighted 2 rather large double sailed praus.
1655 hours - Surfaced and stopped the vessels.
The first one was named Namura (40 tons). There were Japanese on board. It was on its way from Bandjirmasin to Sourabaya and loaded with 12 tons of coal for the Japanese. Took the natives on board and at 1724 hours sank the prau with an explosive charge in position 06°21'S, 111°10'E.
The second one was named Albania (30 tons) and there were no Japanese on board. This one was also on its way from Bandjirmasin to Sourabaya and loaded with 9 tons of coal for the Japanese. Took the natives on board and at 1744 hours sank the prau by ramming in position 06°21'S, 111°08'E. (1)
28 Apr 1945 (position -6.43, 111.59)
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) makes two torpedo attacks on ships but in both attacks no hits were obtained.
(All times are zone -9) 1700 hours - In position 06°43'S, 111°59'E sighted two ships bearing 130°. Went in to attack. The sight of guns on both of them made Lt. van Dapperen decide to attack with torpedoes.
1722 hours - Fired three torpedoes against an 800 tons coaster from 2000 yards.
1724 hours - Fired three torpedoes against an 1000 tons freighter from 2000 yards.
The results of these attacks were negative.
1726 hours - Saw the second ship coming straight towards us. Went as deep as possible (60 feet) and took evasive action.
1735 hours - The ship went overhead but no depth charges were dropped.
1905 hours - As nothing was heard anymore, came to periscope depth.
2000 hours - Surfaced. (1)
29 Apr 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) suffers from mechanical problems. This is reported by signal to base and Zwaardvisch was ordered to return to base. She departed from her patrol area the following day. (1)
9 May 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) ended 7th war patrol at Fremantle. (1)
14 Jun 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) departed from Fremantle Australia bound for the U.K. She is sent back to the U.K. to refit due to the continues mechanical problems with her engines. The first leg of the trip is to Aden.
In the evening of the 15th Zwaardvisch is ordered to return to Fremantle to return a secret American document that was not supposed to be on board. She arrived back at early on the 17th. After a short stay in port she again set sail to return to the U.K.
For HrMs Zwaardvisch daily positions during this passage see the map below.
HrMs Zwaardvisch passage Fremantle - Dundeeclick here for bigger map (2)
7 Jul 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) arrived at Aden. (2)
9 Jul 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) departed from Aden bound for Suez. (2)
13 Jul 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) arrived at Suez. (2)
15 Jul 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) transfers the Suez Canal and arrived at Port Said. (2)
20 Jul 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) departed from Port Said bound for Gibraltar. (2)
27 Jul 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) arrived at Gibraltar. (2)
30 Jul 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) departed from Gibraltar bound for Dundee. (2)
6 Aug 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) arrived at Dundee. (2)
8 Aug 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) departed Dundee for Rotterdam. (3)
10 Aug 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) arrived at Rotterdam. (3)
25 Aug 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) departed Rotterdam for Newcastle-on-Tyne. (3)
27 Aug 1945
HrMs Zwaardvisch (Lt. J. van Dapperen, RNN) arrived at Newcastle-on-Tyne where she was to refit at the Swan Hunter shipyard. (3)
Sources
- ADM 199/1880
- File 2.12.03.7210 (Dutch Archives, The Hague, Netherlands)
- ADM 199/2576
ADM numbers indicate documents at the British National Archives at Kew, London.
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