RV Calypso
| The research vessel Calypso of Jacques Cousteau arriving in Montreal on 30 August 1980 | |
| History | |
|---|---|
| United Kingdom | |
| Name | HMS J-826 | 
| Builder | Ballard Marine Railway Company, Seattle, Washington, United States | 
| Laid down | 12 August 1941 | 
| Launched | 21 march 1942 | 
| Commissioned | February 1943 | 
| Recommissioned | BYMS-2026 (1944) | 
| Decommissioned | 1946 | 
| Renamed | Calypso G (1949) | 
| France | |
| Owner | Thomas Guinness | 
| Operator | Compagnie Océanographique Française, Nice | 
| Renamed | Calypso (1950) | 
| Reclassified | Research vessel | 
| Refit | For Cousteau (1951) | 
| Fate | Sunk and raised (1996) | 
| Status | Damaged in a fire in 2016 | 
| General characteristics | |
| Tonnage | 294 GRT | 
| Displacement | 360 tons | 
| Length | 139 ft (42 m) (43 meters, according to another source) | 
| Beam | 25 ft (7.6 m) | 
| Draft | 10 ft (3.0 m) | 
| Decks | Three | 
| Installed power | 2 × 580 hp (430 kW) 8-cylinder General Motors diesel engines | 
| Propulsion | Twin screw | 
| Speed | 10 knots (19 km/h; 12 mph) | 
| Crew | 27 in captain's quarters, 6 staterooms and crew quarters | 
| Notes | 
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RV Calypso is a former British Royal Navy minesweeper converted into a research vessel for the oceanographic researcher Jacques Cousteau, equipped with a mobile laboratory for underwater field research. She was severely damaged in 1996 and was planned to undergo a complete refurbishment in 2009–2011 that has not been accomplished. The ship is named after the Greek mythological figure Calypso.