French frigate Dupleix

For other ships with the same name, see French ship Dupleix.

Dupleix was a F70 type anti-submarine frigate of the French Navy. She was the fourth French vessel (beside also two French commercial ships) named after the 18th century Governor of Pondichéry and Governor-General of the French possessions in India marquess Joseph François Dupleix. She was decommissioned in 2014.

Dupleix (foreground) underway in the Arabian Sea on 25 March 2007 with USS Preble (background)
History
France
Name	Dupleix
Namesake	Joseph François Dupleix
Builder	Brest Arsenal, France
Laid down	17 October 1975
Launched	2 December 1978
Commissioned	13 June 1981
Decommissioned	July 2015
Identification	MMSI number: 228723000
General characteristics
Class and type	Georges Leygues-class frigate
Displacement	3,550 t (3,494 long tons) 4,500 t (4,429 long tons) full load
Length	139 m (456 ft 0 in)
Beam	14 m (45 ft 11 in)
Height	39.36 m (129 ft 2 in)
Draught	5.8 m (19 ft 0 in)
Propulsion	CODOG 2 × Pielstick PA 6 V280 STD diesels, 5,200 hp (3,878 kW) 2 × Rolls-Royce Olympus TM3B gas turbines, 26,000 hp (19,388 kW) 2 shafts with 4-blade controllable pitch propellers
Speed	30 knots (56 km/h; 35 mph) on gas turbines 21 knots (39 km/h; 24 mph) on diesels
Range	1,000 nmi (1,900 km; 1,200 mi) at 30 kn (56 km/h; 35 mph) on gas turbines 10,000 nmi (19,000 km; 12,000 mi) at 15 kn (28 km/h; 17 mph) on diesels
Complement	20 officers 120 non-commissioned officers 95 men
Sensors and processing systems	Detection: 1 Air/surface sentry radar DRBV51C 1 Air sentry radar DRBV 26 1 Fire control radar DRBC 32E 2 Navigation radar KH 1007 1 Hull sonar DUBV 23 1 Towed sonar DUBV 43C Tactical information: SENIT 4 SEAO/OPSMER
Electronic warfare & decoys	2 Radar interceptors ARBR 16 2 × Syllex chaff launchers
Armament	Anti-air: 1 × Crotale EDIR system - 8 missiles on launcher + 18 stored 2 × Sadral - 2 × 6 Mistral missiles 1 × CADAM 100 mm main gun 2 × 20 mm guns 4 × 12.7 mm machine guns Anti-surface: 4 × Exocet MM38 missiles Anti-submarine: 10 × L5 Mod4 torpedoes 2 × L5 torpedo launchers
Aircraft carried	2 × Lynx WG13 Mk.4 helicopters, each with: 1 × DUAV4 sonar Rheseda system for transmission of acoustic data 12 × Mark 46 torpedoes

Service history

Dupleix was constructed by the Brest Arsenal, France, with her keel being laid down on 17 October 1975. The vessel was launched on 2 December 1978 and was commissioned into the French Navy on 13 June 1981. The vessel was named for Joseph François Dupleix, the 18th century Governor of Pondichéry and Governor-General of the French possessions in India. The ship was decommissioned in 2014, and taken to Saint-Mandrier, to replace the ex-Rance at the diving school located there.