The French frigate Montcalm was a distinguished member of the Georges Leygues-class, a series of seven F70 type guided-missile frigates built for the French Marine Nationale in the 1970s, with her completion in 1982. Designed primarily as an anti-submarine warfare (ASW) escort, Montcalm measured 139 meters (456 feet) in length, with a beam of 14 meters (45 feet 11 inches) and a draught of 5.7 meters (18 feet 8 inches). Her standard displacement was approximately 3,830 tonnes, increasing to around 4,500–4,580 tonnes at full load, reflecting her robust build for Cold War maritime operations. Propulsion was configured in a CODOG (Combined Diesel or Gas) arrangement, featuring one SEMT-Pielstick 16PA6-V280 diesel engine and a Rolls-Royce Olympus TM3B gas turbine per shaft. This setup enabled her to operate efficiently at speeds below 21 knots using diesels, or sprint up to 30 knots with gas turbines, with a maximum range of 9,500 nautical miles at 17 knots. The vessel’s complement consisted of 216 sailors. Armament was centered on anti-ship and anti-air capabilities. Montcalm was equipped with four MM38 Exocet missiles housed in dual launchers aft of the funnel, with additional anti-air defenses including an octuple Crotale missile launcher with 26 reloads, a 100mm dual-purpose gun turret forward, and two 20mm guns. Her ASW armament comprised two torpedo launchers on each side, each capable of firing ten torpedoes, and she carried two Westland Lynx ASW helicopters housed in a double hangar at the stern. Sensor systems included search, fire-control, and early-warning radars, complemented by hull-mounted and towed sonar arrays, and electronic defense systems like Syllex chaff launchers. Montcalm played a notable role during the 2011 Libyan Civil War, notably evacuating French and British citizens from Libya amidst conflict. She was decommissioned on 3 July 2017, after which her hull was stripped and stored at Brégaillon awaiting final disposal, marking the end of her distinguished service career.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.