Ocean-class Amphibious Assault Ship

The Ocean-class Amphibious Assault Ships are a pair of amphibious warfare vessels in service in the Royal Navy from the mid-1990s onwards. The Ocean-class ships are designed to support amphibious landing operations and to support the staff of Commander UK Amphibious Force and Commander UK Landing Force. They were constructed in the mid-1990s by Kvaerner Govan Ltd on the Clyde and fitted out by VSEL at Barrow-in-Furness prior to first of class trials and subsequent acceptance in service. They are complemented by a quartet of Albion-class LPDs.

Specifications

 * Type: Amphibious Assault Ship
 * Service Period: 1998-Present
 * Characteristics:
 * Length: 667 feet (203.3 meters)
 * Beam: 115 feet (35.05 meters)
 * Draught: 21 feet (6.4 meters)
 * Displacement: 21,500 tons (21,200 long tons; 23,700 short tons)
 * Capacity: 830 Royal Marines, 40 vehicles, 4 LCVPs
 * Crew: 465 (285 ship crew and 180 FAA personnel)
 * Propulsion: 2 x Rolls-Royce TM3B Olympus gas turbines, 2 x Crossley Pielstick diesel engines, 2 x Azimunth thrusters
 * Range: 8,000 miles (12,875 kilometers)
 * Speed: 22.5 knots (41.67 km/h)
 * Sensor Suite:
 * Type 996 Air/Surface Search Radar
 * Type 1007 Navigation Radar
 * Countermeasures
 * UAT Electronic Support Measures
 * Armament
 * 3 x 20mm Phalanx CIWS
 * 4 x 20mm guns
 * 4 x FN MAG 7.62mm general purpose machine guns
 * Aircraft Carried: 18 helicopters (AgustaWestland AW101 Merlin, Boeing Chinook, Westland Apache, Westland Lynx, Westland Sea King)

Britain

 * HMS Ocean (L12)
 * HMS Glory (L13)

Portugal

 * NRP Coimbra (L01)