RV Mirai

History
Name:	RV Mirai
In service:	1996
Status:	in active service, as of 2009[update]
General characteristics
Tonnage:	8,687 GT
Length:	128.5 m (421 ft 7 in)
Beam:	19 m (62 ft 4 in)
Draft:	6.9 m (22 ft 8 in)
Depth:	10.5 m (34 ft 5 in)
Propulsion:	4 × diesel engines, 1,838 kilowatts (2,465 shp) 2 × controllable pitch propellers
Speed:	16 knots (30 km/h; 18 mph)
Range:	12,000 nmi (22,000 km)
Crew:	80 (34 crew, 46 research personnel)

RV Mirai a is Japanese oceanographic research vessel. She was previously the nuclear-powered vessel Mutsu, rebuilt as a conventionally powered ship.

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