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Hatsutaka 1939

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
初鷹 [Hatsutaka]			Harima, Aioi	3.1938	28.4.1939	10.1939	sunk 16.5.1945
蒼鷹 [Aotaka]			Harima, Aioi	5.1939	5.2.1940	6.1940	sunk 26.9.1944
若鷹 [Wakataka]			Harima, Aioi	11.1940	12.7.1941	11.1941	captured 9.1945, to United Kingdom 10.1947 (Laburnum)

Technical data

Displacement standard, t	1608
Displacement normal, t	1890
Length, m	82.5 pp 86.5 wl 90.9 oa
Breadth, m	11.3
Draught, m	4.40
No of shafts	2
Machinery	2 sets geared steam turbines, 3 boilers
Power, h. p.	6000
Max speed, kts	20
Fuel, t	coal + oil
Endurance, nm(kts)	3000(14)
Armament	Hatsutaka, Aotaka: 2 x 2 - 40/62 HI 91-shiki, 2 x 2 - 13.2/76, 360 mines or nets Wakataka: 2 x 1 - 76/40 11-shiki, 2 x 2 - 25/60 96-shiki, 360 mines or nets
Electronic equipment	93-shiki sonar, 93-shiki hydrophone
Complement	199

Standard scale images

Graphics

Project history

Built under 3rd (Hatsutaka and Aotaka) and 4th (Wakataka) Supplementary programmes of 1937 and 1939. Multi-purpose minelayers-netlayers, design was developed on the basis of strongly redesigned Yaeyama. It was proposed to build two more ships of such class (Asadori and hull No819), but orders for them have been cancelled in 1943.

Modernizations

1943 - 1944, all: - mine capacity; + 4 DCT (36)

1945, Wakataka: after repair length oa was ~86m; + 4 x 1 - 13.2/76

Naval service

Aotaka 16.5.1944 was damaged on a mine, 26.9.1944 she was sunk N off Borneo by US submarine Pargo. Hatsutaka 3.8.1944 was damaged on a mine, 16.5.1945 she was sunk E off Malacca by US submarine Hawkbill. Wakataka 17.10.1944 was damaged by Dutch submarine Zvaardvis, 27.3.1945 heavy damaged on a mine (under other version by British submarine Stygian): fore part was broken off and in 1947 on a reparation transferred to UK.