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Agosta Class

Name	Builders	Laid down	Launched	Commissioned
S620 Agosta	C	1st November 1972	19th October 1974	28th July 1977
S621 Beveziers	C	17th May 1973	14th June 1975	27th September 1977
S622 La Praya	C	1974	15th May 1976	9th March 1978
S623 Ouessant	C	1974	23rd October 1976	27th July 1978

Builders:
C : Cherbourg Naval Dockyard, Cherbourg, France

Dimensions:
222' x 22' x 18' / 67.60m x 6.80m x 5.50m

Displacement:
1490 tons surfaced / 1740 tons dived

Complement:
54

Armament:
4 x 21.7" bow torpedo tubes

Up to 20 torpedoes could be carried, either L5 or F17 models. Three TSM3510 mines could be carried per torpedo space. The tubes could also launch 21" weapons.

Powerplant:
Two Pielstick 16PA4 185 diesels producing a total of 1540bhp were fitted with two SEMT generators and one Jeumont Schneider main motor producing 4725hp on one shaft.

Maximum speed was 12.5kts surfaced and 20.5kts dived. Range was 350NM @ 3.5kts submerged or 8500NM @ 9kts snorkelling.

Electronics Fit:
Radar:
DRUA-33 air/surface search

Sonar:
DUUA 1 active/passive bow mounted
DUUA 2 passive
DSUV 22 towed array
DUUX 2 passive ranging

Other:
Thomson ARUR ESM warning
DLT D3 FC torpedo fire control

Miscellaneous: