Large ocean-going cutters; they are strengthened for operations in light ice. They have unique lift-generating “wings” under the waterline which negate the equivalent of 52t of displacement. They have 70t ballast tanks to counteract rolling in heavy seas.

Ship List
#	Name	Builder	Launch	Comm	Decomm	Notes
#					19
#					19
#					19

TSUGARU PLH 02 IHI, Tokyo 17 Apr 1979 OOSUMI PLH 03 Mitsui Tamano 18 Oct 1979 HAYATO (ex-Uraga) PLH 04 Hitachi, Maizuru 5 Mar 1980 ZAO PLH 05 Mitsubishi, Nagasaki i Mar 1982 CHIKUZEN PLH 06 Kawasaki, Kobe 28 Sep 1983 SEI rSIJ PLH 07 Sumitomo, Oppama 27 Sep 1984 ECHIGO PLH 08 Mitsui Tamano 28 Feb 1990 RYUKYU PLH 09 Mitsubishi, Nagasaki 31 Mar 2000 DAISEN PLH 10 Nippon Kokan, Tsurumi 1 Oct 2001 Displacement tons: 3,200 normal; 3,744 full load Dimensions, feet (metres): 323.4 X 51.2 X 17.1 (98.6 X 15.6 X 5.2) (PLH 01) 345.8 x 479 x 15.7 (105.4 x 74• x 4.8) Main machinery: 2 SEMT-Pi&stjck 12 PC2.5 V 400 diesels; 15,604 hp(m)(77.47MW) sustained; 2 shafts; cp props; bow thruster Speed, knots: 21 (PLH 01); 22 (others). Range, miles: 5,700 at 18 kt Complement: 71 (PLH 01-04); 69 (others) Guns: 1 Bofors 40 mm or Oerlikon 35 mm. 1 Oerljkon 20 mm (PU-I 01, 02, 05-07) or 1—20 mm JM61MB Gatling gun. Radars: Surface serh: JMA 1576; I-band. Navigation: JMA 1596; I-band. Helo control: JMA 1596; I-band. Helicopters:

Displacement, full	tons
Displacement, light	tons
GT (Gross Tonnage)	tons
NT (Net Tonnage)	tons
DWT (Deadweight)	tons
Length, O/A	meters / feet
Length, W/L	meters / feet
Length, B/P	meters / feet
Max Beam	meters / feet
Draft	meters / feet
Height	meters / feet
Propulsion Type
Engines
Number of Main Engine(s)
Main power
Propeller(s)
Speed, maximum	knots
Speed, Cruise	Knots
Range	nautical miles at knots
Stores endurance	days
Electronics
Weapons Systems
Aviation	1 Fuji-Bell 212
Complement