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AMPHIBIOUS SHIPS AND CRAFT
OSUMI dock landing ships (1998 - 2003)


Photo



Osumi 2008

Ships


Name No Yard No Builder Laid down Launched Comp Fate
おおすみ [Osumi] LST4001   Mitsui, Tamano 6.12.1995 18.11.1996 11.3.1998 in service (2019)
しもきた [Shimokita] LST4002   Mitsui, Tamano 30.11.1999 29.11.2000 12.3.2002 in service (2019)
くにさき [Kunisaki] LST4003   Hitachi, Maizuru 7.9.2000 13.12.2001 26.2.2003 in service (2019)


100 - 1000 t displacement/ BRT tonnage vessels


Name No Yard No Builder Laid down Launched Comp Fate おおすみ [Osumi] LST4001   Mitsui, Tamano 6.12.1995 18.11.1996 11.3.1998 in service (2019) しもきた [Shimokita] LST4002   Mitsui, Tamano 30.11.1999 29.11.2000 12.3.2002 in service (2019) くにさき [Kunisaki] LST4003   Hitachi, Maizuru 7.9.2000 13.12.2001 26.2.2003 in service (2019)

Technical data


Displacement standard, t

8900

Displacement full, t14000
Length, m

170.0 wl 178.0 oa

Breadth, m

25.8

Draught, m

6.00 mean 7.50 full load

No of shafts2
Machinery

2 Mitsui 16V42MA diesels

Power, h. p.

26000

Max speed, kts

22

Fuel, t

diesel oil

Endurance, nm(kts) 
Armament

2 x 6 - 20/76 Mk 15 Phalanx, 1 x 1 - 12.7/90, helicopter deck

Military load

2 LCAC, 2 LCVP, 14 tanks or 1400 t cargo, 330 troops

Electronic equipmentOPS-14C, OPS-28B, OPS-20, 2x Mk 90 radars, ECM suite
Complement135


Standard scale images


<i>Osumi </i>2010
Osumi 2010


Graphics


<i>Osumi </i>2008
Osumi 2008


OSUMI dock landing ships (1998 - 2003)

Project history

Official "standard" displacement appears to be several thousand tons below the actual figure. Although given an LST-type designation, the design is in reality a dock landing ship configured to accept two U.S. LCAC class air-cushion vehicle landing craft in a 70m-long docking well; there is no bow door, and the ship is not intended to beach. Although the upper deck is a relatively unobstructed 130x23m, only the after portion is used as a helicopter landing position (for two CH-47 Chinook-size aircraft). The remainder of the deck is used for vehicle cargo stowage. There are two vehicle elevators rising to the flight deck, one forward on the centerline and one to starboard abaft the island superstructure, but neither is large enough to accommodate a helicopter. The elevators serve a 50x15m vehicle cargo deck, which also has side ramps port and starboard; abreast the side ramps on the centerline is a vehicle turntable. In an emergency, can accommodate up to 1000 passengers. The superstructure is shaped to reduce radar reflection, and its width, in combination with the breadth of the island structure, precludes using the flight deck for fixed-wing aircraft operations. A previously planned 76-mm gun will not be installed.

Modernizations

None.

Naval service

No significant events.