JDS Ishikari (DE-226)
Ishikari in 2006
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| History | |
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 Japan
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| Name: | Ishikari |
| Laid down: | 17 May 1979 |
| Launched: | 18 March 1980 |
| Commissioned: | 28 March 1981 |
| Decommissioned: | 17 October 2007 |
| General characteristics | |
| Type: | Destroyer escort |
| Displacement: |
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| Length: | 278.8 ft (85.0 m) |
| Beam: | 35.4 ft (10.8 m) |
| Draft: | 11.8 ft (3.6 m) |
| Propulsion: |
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| Speed: | 25 knots (46 km/h; 29 mph) |
| Complement: | 95 |
| Armament: |
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JDS Ishikari (DE-226) was the first destroyer escort with a gas turbine engine and surface-to-surface missiles of the Japanese Maritime Self-Defense Force. She is the successor of the earlier Chikugo class. Entering service in 1981, she remained active until 2007 when she was decommissioned.
At first, this ship was planned to belong to the new ship classification, PCE (Patrol Coastal ships, Escort) to replace small submarine chasers and old destroyer escorts with limited anti-submarine warfare (ASW) capability against new nuclear-powered submarines. But finally, it was decided to change her classification to the ordinary destroyer escort. This class is quite epoch-making for the destroyer escorts of the JMSDF as follows:
The CODOG propulsion system. This was the first ship with the gas turbine engine in the JMSDF. The Rolls-Royce Olympus TM-3B manufactured by the Kawasaki Heavy Industries under license was used for boosting. The cruising engine is the Kawaksaki 6DRV 35/44 diesel engine developed by the Technical Research and Development Institute (TRDI).
The centre-superstructure style. Whereas the JMSDF was inclined to adopt the flush decker style, in this ship, the superstructure is at the center of the ship to save space. This was a very controversial decision, and because of this decision, there has been criticisms about the oceangoing capability of this ship.
The simplified but sufficient C4ISR system was installed aboard the ship. The design was not equipped with air-search radar unlike her predecessors. Alternatively she had the OPS-28 surface search and target acquisition radar which could deal with low-altitude aircraft and missiles. The FCS-2 gun fire-control system also had air-searching capability. As the tactical data processing system, she had the OYQ-5 being capable of receiving data automatically from other ships via Link-14 (STANAG 5514; the data link with the Radioteletype).
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