HMS Cattistock (M31)

	HMS Cattistock in 2011
History
United Kingdom
Name	HMS Cattistock
Operator	Royal Navy
Ordered	29 January 1979
Builder	Vosper Thornycroft
Launched	22 January 1981
Commissioned	5 March 1982
Home port	HMNB Portsmouth, Hampshire
Identification	Pennant number: M31; IMO number: 4906599; MMSI number: 23458000; International call sign: GYHJ; ;
Honours and; awards	Northern Persian Gulf (1990–91)
Status	in active service
General characteristics
Class & type	Hunt-class mine countermeasures vessel
Displacement	750 t (740 long tons; 830 short tons)
Length	60 m (196 ft 10 in)
Beam	9.8 m (32 ft 2 in)
Draught	2.2 m (7 ft 3 in)
Propulsion	2 shaft Napier Deltic diesel, 3,540 shp (from 1981); 2 × Caterpillar C32 Acert diesel engines, 1,900 hp each (since 2015);
Speed	17 kn (31 km/h; 20 mph)
Complement	48 (5 officers & 43 ratings)
Sensors &; processing systems	Sonar Type 2193
Electronic warfare; & decoys	SeaFox mine disposal system; Diver-placed explosive charges;
Armament	1 × 30mm DS30B S30GM1; 2 × Miniguns (may be replaced by Browning .50 caliber heavy machine guns as of 2023); 3 × General purpose machine guns;

HMS Cattistock, the third ship of this name, is a Hunt-class mine countermeasures vessel of the Royal Navy. She was launched in 1981 and commissioned on 5 March 1982, the third ship of her class.