HMS Severn

HMS Severn is the second River-class built by Vosper Thornycroft at their Woolston yard. She is  one of the trio of Offshore Patrol Vessels ploughing the seas around the UK almost every day of the year. 

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HMS Severn inherited the nickname of our predecessor, the ninth HMS Severn, a wartime submarine which served in the Atlantic and Norwegian campaigns. The submarine survived the entire conflict, earning her the title ‘Lucky Severn’.

The 3 River class Offshore Patrol Vessels patrol the UK EEZ, routinely operating hundreds of miles off the UK coast. 

Their primary role is to deliver maritime security, encompassing fishery protection and Marine Management tasks on behalf of the Marine Management Organisation, as well as a wide range of operations to ensure the security, integrity, and safety of UK waters.

Recently the ship had a successful eight-month deployment across the Caribbean where she provided security and reassurance to the British Overseas Territories and dependencies.

HMS Severn travelled over 30,000 miles whilst away, visiting 29 ports and strengthening bonds across 20 different countries and islands where she was on standby to assist in the event of a natural disaster. 

HMS Severn HMS Severn decommissioning ceremony

HMS Severn decommissions after 14 years of service


HMS Severn Latest News

HMS Severn celebrates affiliation with final parade

HMS Severn celebrates affiliation with final parade

HMS Severn takes part in the Belfast Titanic Maritime Festival

HMS Severn takes part in the Belfast Titanic Maritime Festival

See all news for HMS Severn

Current operation Fishery Protection squadron

River-class ships inspect fishing vessels operating up to 200 miles off the UK’s coastline.  Their task is to enforce UK and EU regulations designed to preserve fish stocks for future generations.
The Royal Navy operates on behalf of the Marine Management Organisation.

  • Alongside

    Alongside in her home port of Portsmouth Naval Base

Location UK

Four locations are being used around the United Kingdom

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Unit History

The First Severn1695

The first HMS Severn was a Fourth Rate two-decked ship of 50 guns launched in 1695. She had a distinguished record of service before finally being broken up and rebuilt in 1739.

The Second Severn1739

The second HMS Severn was rebuilt from first and was launched in 1739.


Severe damage during a battle with French line-of-battleships in 1746 caused HMS Severn to strike her colours to the superior force. The ship was recaptured a year later at the battle of Finisterre.

The Third Severn1747

The third was again a Fourth Rate 50-gun two-decker launched in 1747. Her career was significantly less eventful than her predecessors and she was sold out of service in 1759.

The Fourth HMS Severn1786

The fourth HMS Severn was a 44 gun Adventure Class fifth rate. Launched in 1786 she was wrecked in 1804.

The Fifth Severn1813

The fifth was an 'Endymion' Class Fourth Rate 40-gun ship. These 'fir-built' softwood ships were not long-lived and the ship, leaky and unseaworthy, was sold for breaking in 1825.

Battle honours1816

Algiers 1816

The Sixth Severn1856

The next HMS Severn was one of the last frigates to be built as a sailing warship, eventually broken up in 1876 after only one active commission to the East Indies.

The Seventh Severn1885

The seventh ship represented a great technological leap forward. She was a 'Mersey' Class protected cruiser, the first cruisers to be built with no sailing rig, as solely steam-powered ships.

The Eighth Severn1914

In 1914 the RN purchased three Amazon river monitors built by Vickers for Brazil. These, renamed Mersey, Humber and Severn, were the first of specialist shore-bombardment ships.

Battle honours1915



She was sold in 1921 and scrapped in 1923.

The Ninth Severn1934

The ninth vessel to be named Severn was a 'Thames' Class fleet submarine and was sent to the South Atlantic when war broke out.

Battle Honours1940

Norway 1940
Atlantic 1940-41

Battle Honours1943

Sicily 1943
Aegean 1943


In the Mediterranean she conducted anti-shipping patrols, 'cloak and dagger' missions on enemy coasts and ran supplies to the besieged garrison of the Aegean island of Leros. Scrapped in 1946.

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Commanding Officer Hugh Harris

Rank: Lieutenant Commander

Lieutenant Commander Hugh Harris joined the Royal Navy in 2003. He assumed command of HMS Tyne in November 2017.

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HMS Severn is known as the 'Lucky Severn'


HMS Severn was commissioned on the 31st July 2003

HMNB Portsmouth

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