RV Corystes

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Name: MV Corystes
Namesake: masked crab (Corystes cassivelaunus)
Operator: Agri-Food & Biosciences Institute
Builder: Ailsa Shipbuilding Company, Troon
Yard number: 571[1]
Launched: 1988
Commissioned: 30 October 2006
Homeport: Belfast
Identification: IMO number: 8501517[2]

Callsign: GHRU

MMSI Number: 233558000[3]
Status: in service
General characteristics
Class and type: DTp Class VII
Type: Double-hulled, diesel electric research vessel
Tonnage: 284 GRT; 1289 GT (gross tonnage)
Length: 52.5 metres (172.2 ft)[4]
Beam: 12.8 metres (42.0 ft)[4]
Installed power: 2 x Allen S12; 2000kW at 7500 rpm
Propulsion: 3m propeller and White Gill 40 VST azimuthing Bow Thruster
Speed: 10 knots (cruising); 12 knots (max)
Endurance: 9000 miles; 20 days
Capacity: 11 scientists
Crew: 16

RV Corystes is an ocean-going, research vessel operating around Northern Ireland. She is equipped with specialist fishing gear and acoustic techniques for surveys of fish stocks.


RV Corystes was built for the Centre for Environment, Fisheries and Aquaculture Science (Cefas) and operated from a homeport of Lowestoft.

She was transferred to the Northern Ireland Department of Agriculture and Rural Development, (DARD) on 31 January 2005.[5] In April 2006, the Science Service of DARD amalgamated with the Agricultural Research Institute of Northern Ireland, to form the Agri-Food & Biosciences Institute, who now operate the Corystes.

On 7 June 2006, Corystes rescued four from a life-raft, 20 miles east of Drogheda, after they abandoned the burning Kilkeel trawler MFV Noroyna.[6]


RV Corystes has 250 m2 of deck area. She has two trawl winches fitted with 1000m x 24mm warps and a net drum with 7 tonnes pulling power. There is a 7 tonnes stern A-Frame with 7m clearance and a smaller starboard A-Frame. She is equipped with a comprehensive range of navigation and echo sounding equipment.[7]


RV Corystes is an ocean-going, research vessel which carries out marine fisheries, oceanographic and environmental monitoring and research, around Northern Ireland and nearby waters. She uses specialist fishing gear and acoustic techniques for surveys of fish stocks.