Améthyste (S 605)

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A Rubis-class submarine
Career (France) French Navy Ensign
Namesake: Amethyst
Laid down: 31 October 1983
Launched: 14 May 1988
Commissioned: 3 March 1992
Homeport: Toulon
Fate: In active sevice
General characteristics
Class and type: Rubis class submarine
Displacement: 2600 t (2400 t surfaced)
Length: 73.6 m
Beam: 7.6 m
Draught: 6.4 m
Propulsion:

Pressurised water K48 nuclear reactor (48 MW) ; 2 turbo-alternators ; 1 electric engine (7 MW); one propeller

1 diesel-alternators SEMT Pielstick 8 PA 4V 185 SM; one auxiliary engine, 5 MW.
Speed: over 25 knots (46 km/h)
Range: 8,500 nautical miles (15,700 km)
Test depth: over 300 m
Complement:

10 officers
52 warrant officers

8 petty officers
Sensors and
processing systems:

DMUX 20 multifonction
ETBF DSUV 62C tugged antenna
DSUV 22 microphone system

DRUA 33 radar
Electronic warfare
and decoys:
ARUR 13
Armament:

Anti-submarine : 4 x 533 mm tubes for F17 mod2 torpedoes
Anti-surface : 14 Exocet SM39

Mines

The Améthyste is an attack nuclear submarine of the French Navy, the fifth of the Rubis type. Her name is a pun on a precious stone (Amethyst) and the acronym AMElioration Tactique, HydrodYnamique, Silence, Transmission, Ecoute ("Tactical, hydrodynamics, silence and transmission improvements"). She is the first vessel of the French Navy to bear the name.

She is a major upgrade upon the initial design of the Rubis type, and earlier units have since been refitted to meet her standards.

The Améthyste also took part in Opération Trident, the 1999 bombing campaign over Yugoslavia, by protecting the aeronaval group. Along with the Rubis, she was one of the two submarines who interdicted the Kotor straights to the Serbian Navy, thus effectively forbidding its use. She also gathered information for the coalition.

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