Dutch Submarines: The Zwaardvis (1) submarine class

Boat	Zwaardvis (1)	Tijgerhaai (1)	Dolfijn (2)	Zeehond (2)
Pennant #	P 322, O 29, O 3, S814,	P 336, O 28, O 2, S812	O 30, S811	O 31, O 5, S813
Call sign	PAFD
Yard #	1297	-	-	-
Type	Ocean-going patrol submarine.
Class name	British Navy: T (3rd group). Dutch Navy: Zwaardvis (1). Named after first of class.
Laid down	13 Oct 1942	12 June 1943	30 Sep 1941	29 Mar 1943
Launched	17 July 1943	29 Nov 1944	27 June 1942	21 Aug 1944
Commissioned	23 Nov 1943	28 Mar 1945	UK: 7 Nov'42 Neth: 4 June'48 UK: 8 Dec'53	UK: 30 Dec'44 Neth: 18 June'48 UK: 16 July'53
Streamlined	Not.	1961/1962	-	-
Decommissioned	11 Dec 1962	29 Sep 1965 or 13 Oct 1965	Neth: 7 Dec'53	Neth.: 15 July'53
Fate	12 Jul 1963: Sold for scrap	5 Nov 1965: Sold f brake up	Apr 1960: Scrapped	Feb 1966: Scrapped
Other names	U.K.: Talent Neth.: Zwaardvisch	U.K.: Tarn	U.K.: Taurus	U.K.: Tapir
Other pennants	U.K.: P 322	U.K.: P 339	U.K.: P 339, P 313, P 39	U.K.: P 335
Shipyard	Vickers Armstrong, Barrow in Furness, U.K.
Le x Be x Dr	83.34 m x 8.06 m x 4.5 m
Displ. surf/subm	1400 t / 1557 t
Engines	Two 6-cylinder Vickers diesel engines, 4-stroke, 2 x 1250 apk
Fuel	210 t
Main motor	2 x Laurence Scott, 2 x 900 apk
Batteries	3 x 112 cells.5350 Ah during 5 hours
Propellers	2
Speed surf/subm	15.5 kts / 8.5 kts
Range surf/subm	10000 nm at 10 kts
Diving depth	100 m
Complement	65
Torpedo tubes	6 x 21" bow, 2 x 21" bow external, 2 x 21" stern/amidships external (above diesels) facing aft, 1 x 21" stern external. 1961: Tijgerhaai (1): 6 x 21" bow, all external tubes removed.
Torpedo Type	Mk VIII?, Mk 20
Armament	17 torpedoes, incl. 6 reloads. 19 torpedoes according to some sources.
Guns	1 x 10.2 cm / 45 British Mk XII, shell weight 35, 2600 ft/sec initial velocity. Deck gun removed in the fifties. 2 x 20 mm mg
Periscopes	2 x Barr & Stroud, 241,3 mm forward, 190.5 mm aft
Radar	In Jan 2006 Bill Castle, Ex-Po Radio Electrician, writes: "...probably ..1950/1951....Zwaardvis (1) was fitted with the then conventional Type 267 radar set, which supported two seperate, Airguard/Seaguard ariels...."
Notes	- The T class was build for the British Royal Navy during World War II. Four boats were transferred to the Royal Dutch Navy: two boats during the war and two boats following the war (on loan for a period of 5 years). The boat Zwaardvis (1) was never streamlined due to her partially riveted hull. Dolfijn (2) and Zeehond (2) were streamlined after their transfer to the RN. - In Jan 2006 Bill Castle, Ex-Po Radio Electrician, writes: "........probably ..1950/1951....At the time Zwaardvis (1) was the cleanest boat I had ever worked on..Inboard,was painted light gray, with a tiled deck of grey and white tiles. Every bit of "Bright work", has been chromeium plated, rather than the brass of English boats...."

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