River Class

Offshore Patrol Vessel

Royal Navy Offshore Patrol Vessels conduct fishery protection duties and safeguard the integrity of the UK's territorial waters.


At a glance

79.8 metres

Total length

5,500 nautical miles

Total range

20 knots

Top speed

45 crew 

On board 

Safeguarding the seas

The River Class patrol ships can be used for anything from fire-fighting to disaster relief operations. There are 4 in all; HMS Tyne, HMS Mersey and HMS Severn and HMS Clyde. HMS Clyde operates around the Falkland Islands in the South Atlantic.

Tyne, Mersey and Severn have a crew of about 45 sailors, working at least 275 days a year at sea enforcing British and European fisheries law.

Weapons and capabilities

DS30B 30mm Gun

Remote fully automated mount

A single mounting carrying an Oerlikon 30mm gun, it was designed as a ship-protection system to defend Royal Navy frigates from various short-range missiles, rockets, grenades and explosives. 

The gun is controlled from a remote operator console elsewhere on the ship.

GAM BO 20mm Gun

Short-range anti-aircraft gun

A simple hand operated mounting carrying a single Oerlikon KAA200 automatic cannon. It can fire 1000 rounds a minute and has a range of 2000m.

Being a part of the Surface Fleet

Lt Jenkins, 25

Warfare officer

The job may be intense, but it’s incredibly rewarding. I also get to work on some of the most advanced warships on the planet.

Click on a location to explore our operations

Middle East

Kipion

Units of the Royal Navy and Royal Fleet Auxiliary have been on patrol in the Gulf since October 1980, after the Iran/Iraq conflict of that year, and more recently operations have extended further south with the increase in piracy off the Somalia coast. 

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Bay of Biscay

Standing NATO Maritime Group 2

Standing NATO Maritime Group 2 is a multinational, integrated maritime force - made up of vessels from various allied nations, training and operating together as a single team - that is permanently available to NATO to perform a wide range of tasks, from participating in exercises to crisis response and real world operational missions.

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Middle East

Kipion MCMV

In support of wider British efforts in the region, minehunters are providing the capability to conduct route survey, sea-bed clearance, and mine clearance operations all over the Gulf. The operation provides a visible naval presence in a region where stability and good relations with local nations is vital. Much of the UK’s oil and gas, as well as other products, come from the Gulf region and as such these efforts are paramount to our economy.

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Arctic

Nato MCMV Force

The RN has always supplied an MCMV to one of the two NATO Mine Counter-Measures Squadrons. These are six-month deployments as part of the NATO Standing MCM Groups and will generally be around the coasts of Northern Europe or the Mediterranean depending upon the squadron in which the RN ship is working. 

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North Sea

Standing Nato Maritime Group 1

Standing NATO Maritime Group 1 is a multinational, integrated maritime force - made up of vessels from various allied nations, training and operating together as a single team - that is permanently available to NATO to perform a wide range of tasks, from participating in exercises to crisis response and real world operational missions.

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United Kingdom

Fishery Protection

Protecting the British fishing industry and safeguarding the nation's fishing stocks. 

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Gibraltar

Gibraltar Squadron

Conducting security patrols within British Gibraltar territorial waters, and providing protection to warships.

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Antarctic

Antarctic patrol

To provide a UK sovereign presence in the British Antarctic Territory, South Georgia and the South Sandwich Islands and their surrounding maritime areas, to underpin their security and good governance; and meet the UK treaty obligations and exercise rights under the Antarctic Treaty System through inspections, hydrographic charting and support to scientific research.

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Mediterranean

Operation Sophia

A European Union Naval Force operation to counter arms bound for Libya, in support of the UN arms embargo. 

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