Japanese Maritime Self Defence Force's oceanographic survey ship “Wakasa” (わかさ) at Yokosuka on 22nd March 2019 (details below).
Builder: Hitachi Zosen, Maizuru
Displacement tons: 2,050 (standard), 3,175 full load
Length overall: 97.0 m
Draft: 4.20 m
Propulsion: 2 x Fuji type 6LS27-5XF diesels, 4,500 b.h.p.; twin-screw
Max. speed: 15 knots
Complement: 95
Commissioned 25th February 1986.
Moored inside her is the decommissioned (without identification markings) submarine rescue tender “Chiyoda” (ちよだ); details below:
Builder Mitsui Shipbuilding & Engineering Co., Tamano
Displacements: 3,650 tons (standard) 4,450 tons (full load)
Length overall: 113 m
Engines: 2 diesels, 11,500 b.h.p.; twin-screw
Speed: 17 knots
Complement: 120
Commissioned: 27th March 1985
Decommissioned 2018