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Initial Operational Capability (IOC): 1998
Total Production: 4
Also Known As: LST4001
Origin: Japan
Parent System: Osumi
Initial Operational Capability (IOC): 1998
Total Production: 4
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Description: The Japan Marine Self Defense Force (JMSDF) Osumi-class ships have been designed to perform amphibious assault missions. These ships are capable of carrying and disembark Marines and their equipment through helicopters and landing craft. Reduced radar cross section was provided to enhance the ship's survivability. The Japan Marine Self Defense Force (JMSDF) has ordered four Osumi-class ships with the lead ship, LST4001 JS Osumi, commissioned in 1998.

The Osumi-class landing ships feature an spacious flight deck for MH-53E and SH-60J helicopters and a well deck for two LCAC landing craft. Besides, they can transport up to 330 troops. Two Phalanx Close-In Weapon Systems have been provided for ship self-defense against potential airborne threats. The propulsion system combines two shaft and two diesel engines developing 26,000-shp allowing a top speed of 22 knots.

Osumi Specifications

Crew: 135
Troops: 330
Beam: 25.8 meter (85 foot)
Draft: 6 meter (19.7 foot)
Length: 178 meter (584 foot)
Main Gun Caliber: 20 millimeter
Total Combined Power: 26,000 shp (19.4 MW)
Top Speed: 22 knot (11.3 mps)
Full Displacement: 8,900 ton
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Osumi News

There is 1 news
on 31 Mar 2009
Tuesday, March 31, 2009Royal Australian Navy's ANZAC Frigates to Use Thales ICWI Missile Control System

Operators & Related Equipment


Grand Total 41
Auxiliary Vessels
LCAC 1x2
Protection Systems
Mk 15 Phalanx Block 1/1Ax2
Support Aircraft
SH-60J Seahawk

Osumi Ship Listing

SerialNameStatusLaunch DateCommissionDecommission
LST4001 Osumi-1998-
LST4002 Shimokita-2002-
LST4003 Kunisaki-2006-
LST4004 ?-2010-

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