Kozakura-class traffic boat

IJN Kozakura in 1935
Class overview
Name: 30-ton traffic boat
Builders: Harima Zōsen Corporation, Harbin shipyard
Operators:
Built: 1935
In commission:
  • 1935–1939 (Japan)
  • 1939–1945 (Manchukuo)
Planned: 2
Completed: 2
Retired: 2 (?)
General characteristics
Type: Traffic boat (Motor gunboat)
Displacement: 30 long tons (30 t) [1][2]
Length: 25.00 m (82 ft 0 in) overall [1][2]
Beam: 3.65 m (12 ft 0 in) [1][2]
Height: 1.60 m (5 ft 3 in)
Draft: 0.60 m (2 ft 0 in) [1]
Propulsion:
  • [1][2]
  • 2 × Ikegai diesels, 2 shafts, 120 bhp
Speed: 13.2 knots (15.2 mph; 24.4 km/h) [1][2]
Armament:
  • [3][4]
  • 3 × Type 92 7.7 mm machine guns
  • 1 × minesweeping gear

The Kozakura-class traffic boat (小櫻型交通艇,, Kozakura-gata kōtsūtei) was a class of motor gunboat of the Imperial Japanese Navy, serving from the 1930s to World War II. The IJN official designation was 30-ton traffic boat (三拾瓲交通艇,, 30-ton kōtsūtei).[5]

Background

In 1934, Manchukuo ordered four gunboats from Japan. The IJN established Extraordinary Navy Defense Corps (臨時海軍防備隊, Rinji Kaigun Bōbitai) to educate them[6] and built two 30-ton motor gunboat Kozakura and Hakubai. In 1939, Kozakura and Hakubai which finished a duties and transferred to Manchukuo Imperial Navy, and the IJN withdrew from Manchukuo.

Ships in class

Ship[7] Laid down[1] Launched[1] Completed[1][2] Fate
Kozakura (小櫻) 30 April 1935 25 July 1935 25 August 1935 Harima's yard number # 217. Transferred to Manchukuo and renamed Hai Tien (海天) on 25 February 1939; survived war; whereabouts after that has been unknown.[2]
Hakubai (白梅) 30 April 1935 25 July 1935 25 August 1935 Harima's yard number # 218. Transferred to Manchukuo and renamed Hai Yang (海陽) on 25 February 1939; out of service in wartime.[2]

Footnotes

  1. 1 2 3 4 5 6 7 8 9 Harima Zōsen (1960), p. 452–453
  2. 1 2 3 4 5 6 7 8 The Maru Special (1981), p. 52
  3. ↑ JACAR C05034350900, p. 2
  4. ↑ JACAR C05034620500, p. 5 and p. 8
  5. ↑ JACAR C05034620500, p. 1
  6. ↑ JACAR C05035340800
  7. ↑ JACAR C05034912100

Bibliography

  • The Maru Special, Japanese Naval Vessels No.53, Japanese support vessels, "Ushio Shobō". (Japan), July 1981
  • 50 year History of Harima Zōsen, Harima Zōsen Corporation, November 1960
  • "Japan Center for Asian Historical Records (JACAR)". , National Archives of Japan
    • Reference code: C05034350900, No. 3814, 1935 September 13, Exhausting Arms supply of constant outside Extraordinary Navy Defense Corps
    • Reference code: C05034620500, No.3118 July 19, 1935 Sending of 30-ton Traffic Boat's Weapons for Naval Department Stationed in Manchuria by Special Service Vessel Service on Consignment
    • Reference code: C05034912100, No.1621 April 7, 1936 Cooking Rooms Reform of Launches Kozakura and Hakubai
    • Reference code: C05035340800, Naval Department in Manchuria Confidential No.6 October 30, 1936 Progression Outline, Achievement and Remarks for Communication Drill Implemented in Fiscal Year 1936 August
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