Akademik Mstislav Keldysh

R/V Akademik Mstislav Keldysh in 2006
History
Russia
Namesake	Mstislav Keldysh
Owner	P.P. Shirshov Institute of Oceanology.
Operator	Russian Academy of Science
Port of registry	Russia
Ordered	Unknown
Builder	Hollming Oy, Rauma, Finland
Laid down	Unknown
Launched	28 December 1980
In service	15 March 1981
Refit	1987
Homeport	Kaliningrad, Russia
Identification	IMO number: 7811018 MMSI number: 273411400 Callsign: UFJI
Status	in active service
General characteristics
Displacement	6,240 tons
Length	122.2 m (400 ft 11.0 in)
Beam	17.82 m (58 ft 5.6 in)
Height	10.4 m (34 ft 1.4 in)
Draft	5.89 m (19 ft 3.9 in)
Installed power	(4) diesel engines, 5,840 HP each
Speed	12.5 knots (23.2 km/h; 14.4 mph) max, 10.5 cruise
Range	20,000 km (12,000 mi)
Endurance	303 days
Boats & landing craft carried	Mir DSVs
Complement	~90

The R/V Akademik Mstislav Keldysh (Russian: Академик Мстислав Келдыш) is a 6,240 ton Russian scientific research vessel. It has made over 50 voyages, and is best known as the support vessel of the Mir submersibles. The vessel is owned by the Shirshov Institute of Oceanology of the Russian Academy of Sciences in Moscow, and is homeported in Kaliningrad on the Baltic Sea. Named after the Soviet mathematician Mstislav Keldysh, it usually has 90 people on board (45 crew members, 20 or more pilots, engineers and technicians, 10 to 12 scientists and about 12 passengers). Among its facilities are 17 laboratories and a library.