Echo class survey ship (2002)

From SpottingWorld, the Hub for the SpottingWorld network...
HMS Enterprise
HMS Enterprise
Class overview
Operators: Royal Navy
In commission:2003–
General characteristics
Displacement: 3,470 t (3,415 long tons)
Length: 90.6 m (297 ft 3 in)
Beam: 16.8 m (55 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) at 12 kn (22 km/h; 14 mph)
Endurance: 35 days
Complement: 72
Sensors and
processing systems:
Side-scan sonar
Multi-beam echo sounder
Single-beam echo sounder
Undulating oceanographic profiler
Doppler current log
Sub-bottom profiler
Bottom sampling equipment

The two ships of Echo class are the latest vessels to join the Royal Navy's Hydrographic Squadron. Each ship displaces approximately 3,500 tonnes, and is equipped with a state of the art suite of equipment, including:

  • Multi beam echo sounder
  • Single beam echo sounder
  • Survey Planning and Processing Systems
  • Side-scan sonar
  • Oceanographic Probe and sensors
  • Undulating Oceanographic Profiler
  • Doppler Current Log
  • Sub-bottom Profiler
  • Bottom Sampling Equipment
  • Survey Motor Boat fitted with multi-beam sonar and sidescan sonar

The two ships follow the same type of crew rotation pattern as HMS Scott, in that two-thirds of their crew is needed to keep the ship operational, with the remaining one-third ashore. This allows each ship to be available for deployment for up to 330 days a year. As with other Royal Navy survey vessels, Echo and Enterprise can also be used to support mine warfare vessels.


See also