Ōsumi class tank landing ship


LST 4003 Kunisaki with the American hospital ship USNS Mercy.
Class overview
Builders: Mitsui Engineering & Shipbuilding, Tamano
Hitachi Zosen, Maizuru
Operators: Japan Maritime Self-Defense Force
Planned: 3
Completed: 3
Active: 3
General characteristics
Class & type: Ōsumi class LST
Displacement: 8,900 tons standard 14,000 tons full load
Length: 178 m
Beam: 25.8 m
Draught: 17.0 m
Draft: 6.0 m
Propulsion: 2 × Mitsui 16V42M-A Diesel (2 shafts propulsion, 26,000 bhp.)
1 × bow thruster
Speed: 22 knots (41 km/h)
Complement: 135, 138 (LST4002-4003)
Sensors and
processing systems:
OPS-14C air search radar,OPS-28D surface search radar,OPS-20 navigation radar, TACAN
Electronic warfare
& decoys:
4 × Mark 36 SRBOC
Armament: 2 × 20 mm Phalanx CIWS,2 × 12.7mm machine gun M2
Notes: Two Landing Craft Air Cushion (LCAC)