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FIGHTING SHIPS OF THE WORLD
JAPAN
MINE WARFARE SHIPS
YASHIMA coastal minesweepers (1954-1957, 1954/1956)


Ships


Name No Yard No Builder Laid down Launched Comp Fate
やしま [Yashima] MSC651   South Coast Co, Newport Beach, USA     12.1954 auxiliary 3.1970
はしま [Hashima] (ex-Alysse) MSC652   National Steel, San Diego, USA   11.1.1954 5.1954 // 1956 auxiliary 3.1970
つしま [Tsushima] MSC653   Stephens Bros, Stockton, USA     7.1956 auxiliary 3.1973
としま [Toshima] MSC654   Stephens Bros, Stockton, USA     1.1957 auxiliary 7.1973


100 - 1000 t displacement/ BRT tonnage vessels


Name No Yard No Builder Laid down Launched Comp Fate やしま [Yashima] MSC651   South Coast Co, Newport Beach, USA     12.1954 auxiliary 3.1970 はしま [Hashima] (ex-Alysse) MSC652   National Steel, San Diego, USA   11.1.1954 5.1954 // 1956 auxiliary 3.1970 つしま [Tsushima] MSC653   Stephens Bros, Stockton, USA     7.1956 auxiliary 3.1973 としま [Toshima] MSC654   Stephens Bros, Stockton, USA     1.1957 auxiliary 7.1973

Technical data


Displacement standard, t

360
Displacement full, t

400
Length, m

42.1 wl 44.3 oa
Breadth, m

8.10
Draught, m

2.10
No of shafts

2
Machinery

2 General Motors 8-268A diesels
Power, h. p.

880
Max speed, kts

12.5
Fuel, t

diesel oil
Endurance, nm(kts)

2500(10)
Armament

1 x 2 - 20/70 Mk 24, A-Mk 4v, A-Mk 6b acoustic, Q2 magnetic and Mk 4, Mk 6 minesweeping gear
Electronic equipment

SPS-5 radar, UQS-1 sonar
Complement

39


Project history

USN Bluebird class coastal minesweepers, transferred under MDAP. Hashima was transferred after the one year service under French flag.

Modernizations

none

Naval service

In 1970-1973 all were classified as Yard Special Auxuliaries (YAS).