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. During World War II, the vessel was in use as a passenger ship and communications ship. The vessel was sunk on May 31, 1944.

History
Empire of Japan
NameKotaka
Namesakegeneral term of small accipitridae (example: Eurasian sparrowhawk)[1]
Orderedfiscal year 1929 [2]
BuilderMitsui Engineering & Shipbuilding, Tama shipyard
Cost246,561 JPY [3]
Laid down2 September 1929[4]
Launched4 December 1929[4]
Completed11 January 1930[4]
Stricken1944
HomeportShanghai
FateSunk by air raid on 31 May 1944
General characteristics
TypeRiver gunboat
Displacement
  • 50 tons standard
  • 60.668 long tons (62 t) normal condition [5][6]
Length
  • 30.500 m (100 ft 0.8 in) oa[5]
  • 30.000 m (98 ft 5.1 in) lpp [6][5]
Beam4.900 m (16 ft 0.9 in) max[7][5]
Draught0.640 m (2 ft 1.2 in) [6][5]
Depth1.400 m (4 ft 7.1 in)[5]
Propulsion2 × Niigata Iron Works diesels, 540 bhp [6]
Speed15.5 knots (28.7 km/h; 17.8 mph)
Range1,000 nmi (1,900 km; 1,200 mi) at 10 kn (19 km/h; 12 mph) [3]
Armament3 × Type 92 7.7 mm machine guns [6][8] 1942: Reduced to 2 × Type 92 7.7 mm machine guns

Construction and career

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The gunboat participated in the Battle of Wuhan from June to September 1938 and in Battle of Madang and the Battle of Jiujiang in June 1938. From February to May 1939, Kotaka fought in the Nanchang Campaign. In 1942 Kotaka was in service as a passenger ship. The vessel was sunk on May 31, 1944, on the Yangtze River while serving as a communications ship.[9] 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][6]

Footnotes

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  1. ^ a b Daiji Katagiri, p. 489
  2. ^ JACAR A09050130100
  3. ^ a b JACAR A09050130100, p. 20–21
  4. ^ a b c #Fukui(1931), p.212
  5. ^ a b c d e f #Fukui(1931), p.213
  6. ^ a b c d e f The Maru Special (1981), p. 37
  7. ^ JACAR C05021206200, p. 9
  8. ^ JACAR C05021645000, p. 2, p. 7
  9. ^ "Japanese Gunboats". Combinedfleet.com. Retrieved 31 May 2013.

Bibliography

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  • 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
  • Fukui, Matasuke; Hiraga, Yuzuru; Taji, Yasushi (1931-10-31). "Kotaka (60 tons traffic ship), about lifting". Shipbuilding Association Newsletter. 48. Shipbuilding Association. NDL degital collections PID:10783104. Retrieved 2024-01-23.

Sources

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