Acasta (P452)

Built By:	Portsmouth Dockyard
Build Group:	A2
Fate:	Contract cancelled.

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Events

03-11-1943 :	Laid Down
13-03-1945 :	Launched

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Boats In Class

A2 Specification

Length overall	280' 6"
Beam	22' 4"
Depth	16' 9"
Displacement	1385 tons (surface)
	1620 tons (submerged)
Diving Depth	350'
Speed	Surface 18.5 knots (design)
	Submarged 8 knots (design)
No. of shafts	2
Armament	6 21" bow tubes (2 external)
	4 21" stern tubes (2 external)
	20 torpedoes carried
	1 4" gun
	1 20mm Qerlikon cannon
	3 0.303" machine-guns
Endurance	Surface: 10 500 miles at 11 knots (design)
	Submarged: 16 miles at 8 knots or 90 miles at 3 knots
Complement	61

Have You Read?

Trials with HM Submarine Seraph	Read
In 1944 the Royal Navy succeeded in modifying one of its conventional submarines, Seraph, to match the performance of the radically new Type XXI fast boats that intelligence showed Germany was developing.1 If the enemy had succeeded in getting the Typ XXI to sea in large numbers, they would have revolutionised submarine warfare, and severely tested Allied anti-submarine defences.