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Echo Class Hydrographic / Oceanographic Survey Vessels

Crew

72

Builder

Appledore Shipbuilders on behalf of Vosper Thornycroft

Operator

Royal Navy

Length

90.6m

Beam

16.8m

Displacement

3,470t

Speed

15kt

Range

9,300nm at 12kt

Endurance

35 days

Sonars

Hull-mounted multibeam sonar, towed side scan sonar, towed rolling sensors

Engines

3×4.8MW diesel generators

Thrusters

2×1.7MW azimuth thrusters<br />1×0.4MW bow thruster

Guns

4×general purpose machine guns<br />2×miniguns<br />1×GAMBO 20mm cannon
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