Japanese gunboat Kotaka

Kotaka (小鷹) was a river gunboat of the Imperial Japanese Navy, part of the 11th Gunboat Sentai, that operated on the Yangtze River in China during the 1930s, and during the Second Sino-Japanese War. Participated in the Battle of Wuhan, June-Sept., 1938. Participated in Battle of Madang and Battle of Jiujiang, June, 1938. Nanchang Campaign: February–May, 1939. 1942: In service as passenger ship. Sunk May 31, 1944 on the Yangtze River while serving as a communications ship.[7] The IJN official designation was 60-ton traffic ship (Motored river exclusive-Special type) (六拾瓲交通船 (内火式河用特型),, 60-ton kōtsūsen (Uchibishiki kawayou-Tokugata)).[1][4]

For other ships with the same name, see Japanese ship Kotaka.
History
Name: Kotaka
Namesake: general term of small accipitridae (example: Eurasian sparrowhawk)[1]
Ordered: fiscal year 1929 [2]
Builder: Mitsui Engineering & Shipbuilding, Tama shipyard
Cost: 246,561 JPY [3]
Laid down: 2 September 1929
Launched: 18 January 1930
Completed: 1 November 1930
Commissioned: 1930–1944
Stricken: 1944
Homeport: Shanghai
Fate: sunk by air raid on 31 May 1944
General characteristics
Type: River gunboat
Displacement:
  • 50 tons standard
  • 60.67 long tons (62 t) standing [4]
Length:
  • 30.5 meters
  • 30 m (98 ft 5 in) lpp [4]
Beam: 4.90 m (16 ft 1 in) [5]
Draught: 0.64 m (2 ft 1 in) [4]
Propulsion: 2 × Niigata Iron Works diesels, 540 bhp [4]
Speed: 15.5 knots (17.8 mph; 28.7 km/h)
Range: 1,000 nmi (1,900 km) at 10 kn (12 mph; 19 km/h) [3]
Armament: 3 × Type 92 7.7 mm machine guns [4][6] 1942: Reduced to 2 × Type 92 7.7 mm machine guns

Footnotes
  1. Daiji Katagiri, p. 489
  2. JACAR A09050130100
  3. JACAR A09050130100, p. 20–21
  4. The Maru Special (1981), p. 37
  5. JACAR C05021206200, p. 9
  6. JACAR C05021645000, p. 2, p. 7
  7. "Japanese Gunboats". Combinedfleet.com. Retrieved 31 May 2013.

Bibliography
  • The Maru Special, Japanese Naval Vessels No.53, Japanese support vessels, "Ushio Shobō". (Japan), July 1981
  • Daiji Katagiri, Ship Name Chronicles of the Imperial Japanese Navy Combined Fleet, Kōjinsha (Japan), June 1988, ISBN 4-7698-0386-9
  • "Japan Center for Asian Historical Records (JACAR)"., National Archives of Japan
    • Reference code: A09050130100, Explanatory document on addition of fiscal 1929 estimated expense in 56th Diet
    • Reference code: C05021206200, Inquiry, Response, Notification (6)
    • Reference code: C05022903500, Military Affairs 1, No. 88 June 21, 1933, Traffic ship, Kotaka
    • Reference code: C05021645000, No. 2026 June 15, 1931 Sasebo Navy Arsenal No.10-26, Establishing part of equipment for traffic ship Kotaka

Sources


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