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Isuzu-class destroyer escort

For other ships with the same name, see Japanese ship Isuzu.

The Isuzu-class destroyer escorts were four destroyer escorts (or frigates) built for the Japan Maritime Self-Defense Force (JMSDF) in the early 1960s. The latter two (Kitakami and Ōi) were quite different from the earlier two vessels in their propulsion and weaponry, so sometimes they were classified as the "Kitakami class".

JS Isuzu
Class overview
NameIsuzu class
Operators Japan Maritime Self-Defense Force
Preceded byIkazuchi class
Succeeded byChikugo class
In commission1961–1993
Completed4
Retired4
General characteristics
TypeDestroyer escort
Displacement
  • 1,490 long tons (1,514 t) standard
  • 1,700 long tons (1,727 t) full load
Length94.0 m (308 ft 5 in)
Beam10.2 m (33 ft 6 in)
Draught3.5 m (11 ft 6 in)
Depth7.0 m (23 ft 0 in)
PropulsionDiesel engines, 2 shafts
Speed25 knots (46 km/h; 29 mph)
Complement183
Sensors and
processing systems		Mark 63 fire-control system
Armament

This class was the first JMSDF surface combatant adopted shelter-deck design. Propulsion systems varied in each vessels because the JMSDF tried to find the best way in the propulsion systems of future DEs. The design concept of this class and the CODAD propulsion system of the Kitakami class became prototype of them of the latter DEs and DDKs such as Chikugo class and Yamagumo class.[1][2]

The gun system was a scale-down version of the Ayanami class, four 3-inch/50-caliber Mark 22 guns with two Mark 33 dual mounts controlled by a Mark 63 GFCS.[3] Main air-search radar was a OPS-2, Japanese variant of the American AN/SPS-12.[4]

In the earlier batch, the main anti-submarine warfare (ASW) armament was a Mk.108 Weapon Alpha. The JMSDF desired this American brand-new ASW rocket launcher earnestly, but then, it became clear that it was not as good as it was supposed to be. So in the latter batch, it was changed with a M/50, Swedish 375 mm quadruple ASW rocket launcher. Later, the Weapon Alpha of the earlier batch was also replaced by a Type 71, Japanese version of the M/50.[5]

Ships

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Pennant no. Name Laid down Launched Commissioned Decommissioned
DE-211 Isuzu January 17, 1961 July 29, 1961 March 25, 1992
DE-212 Mogami March 7, 1961 October 28, 1961 June 20, 1991
DE-213 Kitakami June 21, 1963 February 27, 1964 November 16, 1993
DE-214 Ōi June 15, 1963 January 22, 1964 February 5, 1993

References

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  1. ^ "1. Hull (Hardware of JMSDF destroyers)". Ships of the World (in Japanese) (742). Kaijin-sha: 100–105. June 2011.
  2. ^ Yasuo Abe (June 2011). "2. Propulsion system (Hardware of JMSDF destroyers)". Ships of the World (in Japanese) (742). Kaijin-sha: 106–111.
  3. ^ "2. Guns (Shipboard weapons of JMSDF 1952-2010)". Ships of the World (in Japanese) (721). Kaijin-sha: 88–93. March 2010.
  4. ^ Tomohiko Tada (March 2010). "4. Radar/ECM/ESM (Shipboard weapons of JMSDF 1952-2010)". Ships of the World (in Japanese) (721). Kaijin-sha: 100–105.
  5. ^ "3. Underwater weapons (Shipboard weapons of JMSDF 1952-2010)". Ships of the World (in Japanese) (721). Kaijin-sha: 94–99. March 2010.
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