Echo-class survey ship (2002)

	HMS Echo, 2011
Class overview
Builders	Appledore Shipbuilders, Bideford (Subcontracted from Vosper Thornycroft)
Operators	Royal Navy
Built	2000–2003
In commission	2003–2023
Completed	2
Retired	2
General characteristics
Type	Hydrographic survey; Mine countermeasures;
Displacement	3,740 t (3,680 long tons)
Length	90.6 m (297 ft 3 in)
Beam	16.8 m (55 ft 1 in)
Draught	5.5 m (18 ft 1 in)
Propulsion	Diesel-electric; 3 × diesel generators (4.8 MW); 2 × 1.7 MW (2,279 hp) azimuth thrusters; 1 × 0.4 MW (536 hp) bow thruster;
Speed	15 knots (28 km/h; 17 mph)
Range	9,300 nmi (17,200 km; 10,700 mi) at 12 kn (22 km/h; 14 mph)
Endurance	35 days
Boats & landing ; craft carried	Survey motor boat
Complement	72
Sensors and ; processing systems	Integrated survey system
Armament	2 × Oerlikon 20 mm cannons; 2 × Miniguns; 4 × General purpose machine guns;

The Echo class was a class of multi-purpose hydrographic survey ships in commission with the Royal Navy. The ships were primarily tasked with conducting survey work in support of submarine and amphibious operations, however, the class also has a secondary role in mine countermeasures. The two vessels of the class were the most recent additions to the Royal Navy's Hydrographic Squadron. Each ship displaced approximately 3,700 tonnes, and was equipped with a state of the art suite of equipment. The lead ship of the class, HMS Echo, was retired in 2022 and her sister ship in 2023.

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