Georges Leygues class
（D640）Georges Leygues
（D641）Dupleix
（D642）Montcalm
（D643） Jean de Vienne
（D644）Primauguet
（D645）La Motte-Picquet
（D646）Latouche-Tréville
Displacement: 3,550 t (3,494 long tons)
4,500 t (4,429 long tons) full load
Length: 139 m (460 ft)
Beam: 14 m (46 ft)
Draught: 5.7 m (18 ft 8 in)
Propulsion: CODOG
2 × Rolls-Royce Olympus TM3B gas turbines, 26,000 hp (19,388 kW) each
2 × SEMT Pielstick 16PA6-V280 diesel engines, 5,200 hp (3,878 kW) each
Speed: 30 knots (35 mph/56 km/h)
Range: 8,500 miles
Complement: 235
Armament: Crotale Navale EDIR octuple launcher (26 × surface-to-air missiles)
4 × MM38/MM40 Exocet anti-ship missiles
2 × Simbad twin launcher (Mistral surface-to-air missiles)
1 × Creusot Loire Compact 100mm/55 Mod 68 DP gun
2 × 30 mm Breda-Mauser or 20 mm F2 anti-aircraft guns
2/4 × 12.7 machine guns
2 × fixed torpedo tubes (10 × L5 mod 4 or MU90 torpedoes)
Aircraft carried: 2 × Westland Lynx helicopters
The Georges Leygues class (Type F70) is a class of anti-submarine frigates of the French Navy. They are polyvalent (multi-role), due to their Exocet and Crotale missile complement, making them especially suitable for defense of strategic positions, demonstrations, or highseas escorts.
The superstructures were built as to optimise resistance against nuclear explosion blasts.
The F70 is internationally labelled an "anti-submarine destroyer" (hence the "D" in the hull numbers), though the French don't use the term and refer to the ships as "frigates".
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