JS Asuka

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Ase6102-H26,7,22.JPG
JS Asuka
History
Japan
Name
  • Asuka
  • (あすか)
NamesakeAsuka
Ordered1992
BuilderSumitomo, Tokyo
Laid down21 April 1993
Launched21 June 1994
Commissioned22 March 1995
HomeportYokosuka
Identification
StatusActive
Class overview
Preceded byKurihama class
Succeeded byN/A
General characteristics
TypeExperimental ship
Displacement4,250–6,200 long tons (4,318–6,299 t) full load
Length151.0 m (495 ft 5 in)
Beam17.3 m (56 ft 9 in)
Draft5.0 m (16 ft 5 in)
Depth10.0 m (32 ft 10 in)
Propulsion
Speed27 knots (50 km/h; 31 mph)
Boats & landing
craft carried		2 x 9 m (30 ft) boats
Complement72-100
Sensors and
processing systems
  • C4ISTAR Fire Control System Type 3
  • OPS-14
  • OPS-18
  • Sonar OQS-XX Bow / Bottom Equipment Type
Armament
Aircraft carried1 x helicopter
Aviation facilitiesHangar and helipad

JS Asuka (ASE-6102) is an experimental ship of the Japan Maritime Self-Defense Force. The vessel was constructed by Sumitomo Heavy Industries of Tokyo, Japan and was launched on 21 June 1994. Asuka was commissioned on 22 March 1995 and since then has conducted performance confirmation tests for integrated navigation systems.

Development and design[]

The hull is a blocking deck type hull. After a new surface ship sonar (OQS-XX) was installed on the bow and bottom, the bow was to be kept away from OQS-XX so as to avoid interference during anchoring and to move the breaking wave generation position as far back as possible. It protrudes sharply. The OQS-XX consists of a bow dome cylindrical array (CA) and a long flank array (FA) on the bottom of the ship, but due to budget constraints, the FA was only equipped on one side. The bridge structure consisted of four layers, at the top of which was a radar equipment room with four active phased array (AESA) antennas for the Fire Control System Type 3 (FCS-3) prototype. After the test, parts of the FCS-3 prototype were diverted to two Hyūga-class destroyers, and all, including the AESA antenna, have been removed and the radar equipment room is covered. In addition, since 2014, a prototype of the X-band multifunction radar, which has been developed as part of the performance improvement measures for the multifunction radar (FCS-3), will be installed and a marine test will be conducted. It is expected that some of the preparatory work has already begun.[1][2]

Construction and career[]

Asuka was laid down on 21 April 1993 at Sumitomo Heavy Industries, Tokyo and launched on 21 June 1994. The vessel was commissioned on 22 March 1995. Since 1995, she has conducted performance confirmation tests for integrated navigation systems. From 1995 to 1998, OQQ-XX sonar (later OQQ-21), propulsion method, and FCS-3 were tested. In 1998, she tested the infrared detector.

From 1999 to 2000, a new tactical information processing device (later OYQ-10) was tested. On 22 March 2002, the Development Guidance Group was abolished, and the Development Team Group was newly formed and transferred to the same group. From 2003 to 2004, tests were conducted on projection static jammers and self-propelled decoys. From 2003 to 2007, the new ASRock (later Type 07 VLA) was tested.

From 2007 to 2011, a new anti-submersible torpedo (later Type 12 torpedo) was tested. In the PSI maritime security training held in October 2007, an on-site inspection training for the escort ship Ikazuchi was conducted with the ship as a suspected ship. In response to the Great East Japan Earthquake caused by the Tōhoku-Pacific Ocean Earthquake that occurred on 11 March 2011, she made an emergency departure at 15:45, 53 minutes after the earthquake, to dispatch a disaster. The vessel was engaged until 21 March, resuming on 26 March, and remained engaged in disaster relief until 8 April.

In 2012, a test of a new underwater self-propelled target was conducted. In 2014, it was equipped with a radar (later OPS-48) to be installed on the Asahi-class destroyers and a radar prototyped in "Research on performance improvement of multifunction radar (FCS-3)". On 25 May 2015, a carrier-based suitability test was conducted using the MQ-8C demonstrator (mockup).

In 2017, we conducted a carrier-based test of Type 12 surface-to-ship guided bullets. In 2019, a part of the rear deck will be bulked up to test the VDS + TASS equipped on the 3,900-ton type escort ship. On 1 April 2020, the ship under the direct control of the Development Corps was reorganized under the control of the Ship Development Corps.[3]

Gallery[]

  • JS Asuka underway on 29 October 2006.

  • JS Asuka at Yokosuka on 17 June 2007.

  • JS Asuka at Yokosuka on 12 June 2010.

  • JS Asuka at Ōshima on 1 April 2011.

  • JS Asuka and JS Ōnami at Yokosuka on 18 September 2011.

  • JS Asuka on 9 December 2015.

  • JS Asuka at Yokosuka on 22 February 2017.

References[]

  1. ^ Togo, Yuki (May 2013). The bearer of offshore test evaluation: Test ships, Ships of the World. 778. Gaijinsha. pp. 98–103.
  2. ^ See the new test ship, Asuka! Ships of the World. 497. Gaijinsha. June 1995. pp. 12–15.
  3. ^ Year-end reorganization. Asagumo Shinbun. 2 April 2020.
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