Length 3.0 m
Width 2.0 m
Height 2.0 m
Weight in Air 3.7 tons
Maximum operation depth 3,300 m
Payload 150 kg (in air)
Underwater speed 3.0 knots forward, 1.5 knots lateral, 2.0 knots backward, Approx. 1.0 knots vertical
Observation instruments TV station class color TV camera (1)
Super harp color TV camera (1)
Black-and-white camera, aft looking (1)
35 mm still camera (1)
Ground thermometer (1)
Lighting, Other navigation devices
Operating devices Manipulator (degree of freedom 7, 1 unit)
Grabber (degree of freedom 5, 1 unit)
Cable Fiberoptic electromechanical cable
(30 mm
~ 5,000 m)

Dolphin-3K's Mission

1) Preliminary survey of the diving point for Shinkai 2000 and surrounding areas
2) Shinkai 2000 Rescue


The following are definite plans for future surveys

3) Search for underwater mineral resources
4) Search for deep sea biological resources
5) Survey of oceanic structures
6) Research in physical oceanography and submarine geology