Mashū-class replenishment ship

The Mashū class is a series of replenishment oilers of the Japan Maritime Self-Defense Force. They were built from 2002 to 2004. The ships have the hull designator AOE.[1]

JS Mashū underway in the Persian Gulf on 22 September 2006.
Class overview
BuildersHitachi Shipbuilding Corporation, Maizuru Ishikawajima-Harima Heavy Industries, Tokyo
Operators Japan Maritime Self-Defense Force
Preceded byTowada class
Planned2
Completed2
Active2
General characteristics
TypeFast combat support ship
Displacement
Length221 m (725 ft)
Beam27.0 m (88.6 ft)
Draught8.0 m (26.2 ft)
Propulsion
Speed24 knots (44 km/h; 28 mph)
Range9,500 nmi (17,594 km; 10,932 mi) at 20 knots (37 km/h; 23 mph)
Complement150
Sensors and
processing systems
  • OPS-28 Surface Search RDF
  • OPS-20 Navigation RDF
Electronic warfare
& decoys
  • NOLR-8 RDF Interceptor
  • Mk.137 decoy launchers
Armament2 × Phalanx CIWS
Aircraft carried1 × helicopter
Aviation facilitiesHelicopter deck and enclosed hangar

The Mashū class was designed as an enlarged, improved version of the Towada-class fast combat support ships. The vessels are capable of mounting 2 Phalanx CIWS by design. They are in commission from 2004 onwards.[2]

List of ships
Name Number Laid down Launched Completed Commissioned Homeport Status
Mashū (ましゅう) AOE-425 21 January 2002 5 February 2003 15 March 2004 3 April 2006 Maizuru Active
Ōmi (おうみ) AOE-426 7 February 2003 19 February 2004 3 March 2005 3 April 2006 Yokosuka Active

References
  1. Wertheim, Eric (2013). The Naval Institute Guide to Combat Fleets of the World, 16th Edition. Naval Institute Press. p. 377. ISBN 978-1591149545.
  2. "Materials of IJN (JMSDF Vessels - Mashu class Combat support ships)". admiral31.world.coocan.jp. Retrieved 2020-10-01.
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