home

fighting ships of the world

ROYAL NAVY - UNITED KINGDOM

SUBMARINES

"A" submarines (AMPHION) (1945 - 1948)

Amphion 1945

Affray 1945

Name No Builder Laid down Launched Comp Fate
Abelard P451 Portsmouth DYd 1945 --- --- cancelled
Acasta P452 Portsmouth DYd 1945 --- --- cancelled
Ace P414 Devonport DYd 12/1943 14/3/1945 --- completed as target
Achates P433 Devonport DYd 3/1944 20/9/1945 --- completed as target
Acheron P411 - S61 Chatham DYd 8/1944 25/3/1947 4/1948 BU 2/1972
Adept P412 Chatham DYd 1945 --- --- cancelled
Admirable P434 Vickers-Armstrong, Tyne 1945 --- --- cancelled
Adversary P457 Vickers-Armstrong, Tyne 1945 --- --- cancelled
Aeneas P427 - S72 Cammell Laird, Birkenhead 10/1944 25/10/1945 7/1946 BU 12/1974
Affray P421 - S20 Cammell Laird, Birkenhead 1/1944 12/4/1945 5/1946 lost 17/4/1951
Agate P448 Cammell Laird, Birkenhead 1945 --- --- cancelled
Aggressor P446 Cammell Laird, Birkenhead 1945 --- --- cancelled
Agile P443 Cammell Laird, Birkenhead 1945 --- --- cancelled
Aladdin P454 Cammell Laird, Birkenhead 1945 --- --- cancelled
Alaric P441 - S41 Cammell Laird, Birkenhead 5/1944 18/2/1946 12/1946 BU 7/1971
Alcestis P453 Cammell Laird, Birkenhead 1945 --- --- cancelled
Alcide P415 - S65 Vickers-Armstrong, Barrow 2/1945 12/4/1945 10/1946 BU 6/1974
Alderney P416 - S66 Vickers-Armstrong, Barrow 2/1945 25/6/1945 12/1946 BU 8/1972
Alliance P417 - S67 Vickers-Armstrong, Barrow 3/1945 28/7/1945 5/1945 preserved 1/1981
Ambush P418 - S68 Vickers-Armstrong, Barrow 5/1945 24/9/1945 7/1947 BU 7/1971
Amphion (ex-Anchorite) P439 - S43 Vickers-Armstrong, Barrow 11/1943 31/8/1944 3/1945 BU 7/1971
Anchorite (ex-Amphion) P422 - S64 Vickers-Armstrong, Barrow 7/1945 22/1/1946 11/1947 BU 8/1970
Andrew P423 - S63 Vickers-Armstrong, Barrow 8/1945 6/4/1946 3/1948 BU 5/1977
Andromache P424 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Answer P425 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Antaeus P429 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Antagonist P428 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Anzac P431 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Aphrodite P432 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Approach P435 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Arcadian P436 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Ardent P437 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Argosy P438 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Artemis P449 - S49 Scotts, Greenock 2/1944 26/8/1946 8/1947 BU 1/1972
Artful P456 - S96 Scotts, Greenock 6/1944 22/5/1947 2/1948 BU 6/1972
Asgard P458 Scotts, Greenock 1945 --- --- cancelled
Asperity P444 Vickers-Armstrong, Tyne 1945 --- --- cancelled
Assurance P462 Scotts, Greenock 1945 --- --- cancelled
Astarte P461 Scotts, Greenock 1945 --- --- cancelled
Astute P447 - S47 Vickers-Armstrong, Barrow 4/1944 30/1/1945 6/1945 BU 10/1970
Atlantis P442 Vickers-Armstrong, Barrow 1945 --- --- cancelled
Auriga P419 - S69 Vickers-Armstrong, Barrow 6/1944 29/3/1945 1/1946 BU 2/1975
Aurochs P426 - S26 Vickers-Armstrong, Barrow 6/1944 28/7/1945 2/1947 BU 2/1967
Austere P445 Vickers-Armstrong, Tyne 1945 --- --- cancelled
Awake P459 Vickers-Armstrong, Tyne 1945 --- --- cancelled
Aztec P455 Vickers-Armstrong, Tyne 1945 --- --- cancelled

 

Displacement standard, t

1120

Displacement normal, t

1385 / 1620

Length, m

85.1

Breadth, m

6.78

Draught, m

5.21

No of shafts

2

Machinery

4 8-cyl Vickers supercharged diesels / 2 electric motors

Acheron, Aeneas, Affray, Alaric, Artemis, Artful: 4 8-cyl Admiralty supercharged diesels / 2 electric motors

Abelard, Acasta, Ace, Achates: 4 6-cyl Admiralty supercharged diesels / 2 electric motors

Power, h. p.

4300 / 1250

Abelard, Acasta, Ace, Achates: 3400 / 1250

Max speed, kn

18.5 / 8

Abelard, Acasta, Ace, Achates: 17.5 / 8

Fuel, t

diesel oil 165, 219 maximally

Endurance, nm(kts)

10500(11) / 90(3)

Armament

Alliance, Amphion, Astute: 10 - 533 TT (4 bow, 2 stern, 2 ext bow, 2 ext stern, 20 torpedoes or 18 2 mines), 1 x 1 - 102/40 QF Mk XXII, 1 x 1 - 20/70 Oerlikon Mk IV

others: 10 - 533 TT (4 bow, 2 stern, 2 ext bow, 2 ext stern, 20 torpedoes or 18 2 mines), 1 x 1 - 102/40 S Mk I, 1 x 1 - 20/70 Mk VII S/M

Sensors

type 267W radar, sonars

Complement

61

Diving depth operational, m

105

Ship project history: These submarines were designed in 1943 specially for service in Pacific ocean and had better surface speed and improved habitability. Unlike all previous patrol submarines, they were double-hulled instead of traditional saddle-tank form. Many technical decisions introduced on "" class during serial building, in particular, an all-welded pressure hull are used. Operational diving depth was 105 m, maximal 180 m. Welded fuel tanks placed inside and out of a pressure hull. The additional fuel stowage could be accepted in the ballast tanks specially adapted for this purpose also fulfilled by the welded. In comparison with "" class, TT were distributed between a bow and a stern in regular more intervals: 6 and 4, a partly out of a pressure hull.

Building of 46 "A" class boats was provided under 1943 program. Order for 28 units had been canceled.

Modernizations: late 1940s, all: - 1 x 1 - 102/40, 1 x 1 - 20/70, 2 - 533 TT (ext fwd)

late 1940s, several: + 1 x 1 - 102/33 S Mk II (QF Mk XXIII gun)

1955 - 1960, all survived but Aurochs (Acheron, Aeneas, Alaric, Alcide, Alderney, Alliance, Ambush, Amphion, Anchorite, Andrew, Artemis, Artful, Astute, Auriga) were modernized as follows:

Artemis 1967

Displacement standard, t

1120

Displacement normal, t

1443 / 1620

Length, m

67.4 pp 85.9 oa

Breadth, m

6.80

Draught, m

5.50

No of shafts

2

Machinery

4 Vickers-Admiralty supercharged diesels / 2 electric motors

Power, h. p.

4300 / 1250

Max speed, kn

19 / 15

Fuel, t

diesel oil 213

Armament

6 - 533 TT (4 fwd, 2 aft, 18 torpedoes or 18 k 2 or 26 Mk 5 mines)

Sensors

type 267W radar, type 186, 187, 197 sonars

Complement

63

Diving depth operational, m

105

 

Naval service: Affray was foundered during exercises 17/4/1951.

Alderney 1950

 

 

Andrew 1974

 

Ivan Gogin, 2008-15