Hecla class survey vessel
Encyclopedia

The Hecla class formed the backbone of the Royal Navy
Royal Navy
The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

's ocean survey fleet from the mid-1960s. Three ships, , and , were ordered in the early 1960s to replace the aging survey ships and .

The hull design was based on that of the RRS Discovery
RRS Discovery (1962)
RRS Discovery is a British Royal Research Ship operated by NERC.RRS Discovery was built in Aberdeen in 1962 and named after Robert Falcon Scott's 1901 ship, RRS Discovery. Until 2006, she was the largest general purpose oceanographic research vessel in use in the United Kingdom...

 and the Hecla class were built to commercial standards costing £1.25 million each. They carried two small survey craft, a launch, a Land Rover
Land Rover
Land Rover is a British car manufacturer with its headquarters in Gaydon, Warwickshire, United Kingdom which specialises in four-wheel-drive vehicles. It is owned by the Indian company Tata Motors, forming part of their Jaguar Land Rover group...

 and a Wasp
Westland Wasp
The Westland Wasp was a British small first-generation, gas-turbine powered, shipboard anti-submarine helicopter. Produced by Westland Helicopters, it came from the same P.531 programme as the British Army Westland Scout, and was based on the earlier piston-engined Saunders-Roe Skeeter...

 helicopter, for which there was a flight deck and hangar. A fourth ship, was ordered in the early 1970s. Three, all bar HMS Hecate, saw service as ambulance ship
Ambulance Ship
Ambulance Ship is a 1979 science fiction novel by author James White and is part of the Sector General series.- Stories :*"Contagion" - An ancient sleeper ship is found whose last occupants died only months before...

s in the Falklands War
Falklands War
The Falklands War , also called the Falklands Conflict or Falklands Crisis, was fought in 1982 between Argentina and the United Kingdom over the disputed Falkland Islands and South Georgia and the South Sandwich Islands...

, while Herald also served in the Gulf War
Gulf War
The Persian Gulf War , commonly referred to as simply the Gulf War, was a war waged by a U.N.-authorized coalition force from 34 nations led by the United States, against Iraq in response to Iraq's invasion and annexation of Kuwait.The war is also known under other names, such as the First Gulf...

 and as a temporary Antarctic Patrol Ship in 1991 and 1992. Hecate saw service as the temporary Antarctic Patrol Ship in 1982 after being painted grey and fitted with AA guns in Gibraltar. Hecate was the first Royal Navy vessel to visit South America following the Falklands conflict.

Hydra was sold to Indonesia
Indonesia
Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

 in 1986 and renamed Dewa Kembar; Hecate decommissioned in 1990 and was broken up, while Hecla paid off in 1997 and was sold to an Irish private company, to be replaced by . Herald was finally decommissioned in 2001, and was replaced the same year by .

Special modifications

Besides the strengthened hull for work in ice and the provision of air conditioning necessary for work in all climates, they had modifications particular for a scientific vessel: wet and dry laboratories; a survey chartroom and photographic darkroom; oceanographic winches for deep seawater analysis and coring; stabilisers and a bow thruster, which enabled the ship to maintain her position when stopped for scientific observations.

See also

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