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UMITAKA submarine chasers (1959-1964)


Photo



Wakataka 1976

Ships


Name No Yard No Builder Laid down Launched Comp Fate
うみたか [Umitaka] PC309, 3.1980- ASU86   Kure Jyukogyo, Kure 3.1959 3.9.1959 11/1959 TS 3.1980, stricken 3.1984
おおたか [Ootaka] PC310, 3.1981- ASU88   Kawasaki, Kobe 3.1959 25.7.1959 1/1960 TS 3.1981, stricken 3.1985
わかたか [Wakataka] PC317, 3.1985- ASU64   Kure Jyukogyo, Kure 3.1962 13.11.1962 3/1963 TS 3.1985, stricken 3.1988
くまたか [Kumataka] PC318, 3.1985- ASU65   Fujinagata, Osaka 3.1963 21.10.1963 3/1964 TS 3.1985, stricken 3.1989


Technical data


Displacement standard, t

PC309, 310: 440

PC317, 318: 460

Displacement full, t

PC309, 310: 500

PC317, 318: 520

Length, m

60.5

Breadth, m

7.10

Draught, m

2.30

No of shafts

2

Machinery

2 Mitsui - Burmeister & Wain 635VBU-45 diesels

Power, h. p.

4000

Max speed, kts

21

Fuel, t

diesel oil

Endurance, nm(kts)3000(12)
Armament

PC309, 310: 1 x 2 - 40/60 Mk 1, 2 - 483 TT, 1 x 24 - 178 Hedgehog Mk 10 ASWRL, 2 DCR

PC317, 318: 1 x 2 - 40/60 Mk 1, 2 x 3 - 324 TT, 1 x 24 - 178 Hedgehog Mk 10 ASWRL, 2 DCR

Electronic equipment

PC309, 310: OPS-16 radar, SQS-11A sonar, OLR-4B ECM suite

PC317, 318: OPS-16 radar, SQS-11A sonar, NOLR-1 ECM suite

Complement

80



Standard scale images


<i>Wakataka </i>1965
Wakataka 1965


Graphics


<i>Wakataka </i>1976
Wakataka 1976


Project history

Authorized under the 1957 programme (two), 1961 (one) and 1962 (one).

Modernizations

1970s, Ootaka: - OPS-16 radar; + OPS-35 radar

1970s, Wakataka: - OPS-16 radar; + OPS-36 radar

Naval service

All ships ended their service as Special Use Auxiliaries (ASU).