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IMPERIAL JAPANESE NAVY (JAPAN)

MINE WARFARE SHIPS

NATSUSHIMA coastal minelayers - netlayers - minesweepers (1933-1934)

Nasami 1941

Name No Yard No Builder Laid down Launched Comp Fate
那沙美 [Nasami]     Harima, Aioi 1.1933 26.3.1934 9.1934 sunk 1.4.1944
夏島 [Natsushima]     Ishikawajima, Tokyo 12.1931 24.3.1933 7.1933 sunk 22.2.1944

 

Displacement standard, t

450

Displacement full, t

510

Length, m

67.0 pp 70.0 wl

Breadth, m

7.50

Draught, m

1.90

No of shafts

2

Machinery

2 diesels

Power, h. p.

2300

Max speed, kts

19

Fuel, t

diesel oil
Endurance, nm(kts) 2100(10)

Armament

2 x 1 - 76/40 11-shiki, 1 x 1 - 13.2/76, 120 mines or net or mechanical minesweeping gear

Complement

74

Project history: Built under 1st Supplementary programme of 1931. Development of Tsubame class, changes have concerned mostly machinery: instead of triple expansion steam engines on predecessors, Nasami class ships had diesels. Carried antisubmarine nets or minesweeping equipment.

Modernizations: None.

Naval service: Natsushima 22.2.1944 was sunk at New Ireland by US destroyers Charles Ausbume, Dyson and Stanly. Nasami 30.3.1944 was damaged in Rabaul by US carrier aircraft and in two days foundered from received damages.

Nasami

© Ivan Gogin, 2008-14