River-class offshore patrol vessel
Class of offshore patrol vessel for the Royal Navy / From Wikipedia, the free encyclopedia
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The River class is a class of offshore patrol vessels built primarily for the Royal Navy of the United Kingdom. A total of nine were built for the Royal Navy (RN), four Batch 1 and five Batch 2. One Batch 1 (HMS Clyde), which was the Falklands guard ship, was decommissioned and transferred at the end of its lease to the Royal Bahrain Naval Force.
Batch 1 River-class vessels HMS Severn, HMS Tyne and HMS Mersey exercising off the coast of Cornwall, 2012 | |
Class overview | |
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Name | River class |
Builders |
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Operators | |
Preceded by | Castle class |
Subclasses |
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Built | 2001–present |
In commission | 2003–present |
Planned | 14 |
Completed | 14 |
Active |
|
General characteristics | |
Type | Offshore patrol vessel |
Displacement | |
Length | |
Beam | |
Draught | Batch 1: 3.8 m (12 ft 6 in)[2] |
Propulsion | |
Speed | |
Range | Batch 1 & 2: 5,500 nmi (10,200 km; 6,300 mi)[1][5][4] |
Endurance | |
Boats & landing craft carried |
|
Troops | |
Complement | |
Sensors and processing systems | |
Armament |
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Aviation facilities | Batch 2: Merlin-capable flight deck;[3][4] small UAVs may be embarked[18][19] |
Notes |
The three remaining Batch 1 ships perform fisheries security and border patrol tasks in UK waters. The five new Batch 2 ships provide overseas forward presence, performing maritime security duties and disaster relief operations, often supported by a Royal Fleet Auxiliary vessel.
The Batch 1 ships of the class replaced the seven ships of the Island class and the two Castle-class patrol vessels.
HTMS Krabi was the first of two ships adapting the River design for the Royal Thai Navy and built in Thailand. The three ships of the Amazonas-class offshore patrol vessel in service with the Brazilian Navy were developed from the Batch 1 River-class design, and the Royal Navy's Batch 2 ships were in turn based upon the Amazonas design.