MIZUHO (PLH-21) class

 2 MIZUHO-class HIGH-ENDURANCE CUTTERS (WHEC)

 Name      Pendant No.   Launched        Commissioned     Status

 MIZUHO    PLH-21        June 5, 1985    March 19, 1986   Active
 YASHIMA   PLH-22        Jan. 20, 1989   Dec. 1, 1988     Active

The original design was proposed for Indian Ocean service. MIZUHO was ordered in FY 1983 and YASHIMA in FY 1986. A third unit was requested in FY 1988, but not approved. The ship is intended to operate at 200 nm out to sea or further.

Both are active.

 MIZUHO: Mitsubishi, Shimonoseki, Japan
 YASHIMA: Nippon Kaikan, Tsurumi, Japan

 Japan

 Displacement:       4,960 tons light
                     5,317 tons full load
 Dimensions:
      length         426 ft 5 in (130.00 m) overall
      beam            50 ft 9 in ( 15.50 m)
      draft           17 ft 2 in (  5.25 m) maximum
 Propulsion:
      main           2 SEMT-Pielstick type 14PC2.5V V400 (PLH-22:
                       type 12PC2.5V V400 diesels); 18,200 total bhp;
                       2 controllable-pitch propellers
      auxiliary      1 bow-thruster
 Performance:
      speed          23 knots
      range          8,500 nm at 22 kts.
 Manning:            130 total
 Combat Systems
      helicopters    2 Kawasaki-Bell 212 SAR helicopters
      guns           1 35-mm/90 cal. Oerlikon AA
                     1 20-mm JM-61-MB (SEA VULCAN) Gatling AA
      radars         1 JMA-8303 navigation
                     2 JMA-3000 navigation

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