Ondo-class oiler

Class overview
Name: Ondo-class oiler
Builders:
Operators:  Imperial Japanese Navy
Preceded by: Kamoi
Succeeded by: Kazahaya
Cost: 2,250,000 JPY
Built: 1922–1924
In commission: 1923–1946
Planned: 5
Completed: 3
Cancelled: 2
Lost: 2
Retired: 1
General characteristics
Displacement: 15,400 long tons (15,647 t) standing
Length: 138.68 m (455 ft 0 in) Lpp
Beam: 17.68 m (58 ft 0 in)
Draught: 8.08 m (26 ft 6 in)
Propulsion:
  • Ondo
  • 1 × three expansion stages reciprocating engine
  • 4 × Kampon water tube boilers
  • single shaft, 3,750 shp
  • Hayatomo and Naruto
  • 1 × three expansion stages reciprocating engine
  • 4 × Miyahara model water tube boilers
  • single shaft, 3,750 shp
Speed: 12 knots (14 mph; 22 km/h)
Capacity: 8,000 tons for oil
Complement: 157
Armament:
  • Ondo, 1923
  • 2 × 140 mm (5.5 in) L/50 naval guns
  • 2 × 76.2 mm (3.00 in) L/40 AA guns

The Ondo-class oilers (隠戸型給油艦, Ondo-gata kyūyukan) were a class of three oilers of the Imperial Japanese Navy (IJN), serving during the 1920s and World War II.

Construction

The Ondo class was initially planned in 1920 as the six of the Kamoi-class oilers under the Eight-eight fleet final plan. However, of the Kamoi-class oilers, only the Kamoi was completed, due to the conclusion and signing of the Washington Naval Treaty. The other five vessels were then re-planned to the Modified Notoro class.

Out of the five ships, one became the icebreaker Ōtomari, while the other become the food supply ship Mamiya. Therefore, only three ships were built as Modified Notoro-class (Ondo-class) oilers.

Service in peacetime

They devoted themselves to importing crude oil from North America and Southeast Asia. The crude oil which the Ondo class and the Notoro class carried to Japan was 388 sorties; 3,000,000 tons, until 1941.

Service in Pacific War

They were not able to accompany heo fleet, because they were low speed. They were engaged in supply duties at naval bases.

Ships in class

Ship Builder Laid down Launched Completed Fate
Ondo (隠戸) Kawasaki-Kōbe Shipyard 15-03-1922 21-10-1922 12-03-1923 Sunk by air raid at Manila Bay 13-11-1944.
Hayatomo (早鞆) Kure Naval Arsenal 14-03-1922 04-12-1922 18-05-1924 Scuttled off Singapore, 1946. Decommissioned on 03-05-1947.
Naruto (鳴戸) Yokosuka Naval Arsenal 11-04-1922 30-01-1923 30-10-1924 Heavy damaged by air raid at Rabaul, 14-01-1944 and grounded. Damaged once again 02-03-1944. Scuttled 15-03-1944.
2 vessels Re-planned as an icebreaker and food supply ship.

Photo

See also

八八艦隊案 (ja)

Bibliography

  • "Rekishi Gunzō". , History of Pacific War Vol.37, "Support vessels of the Imperial Japanese Forces", Gakken (Japan), June 2002, ISBN 4-05-602780-3
  • Ships of the World special issue Vol.47, Auxiliary Vessels of the Imperial Japanese Navy, "Kaijinsha". (Japan), March 1997
  • The Maru Special, Japanese Naval Vessels No.34, "Japanese auxiliary vessels", "Ushio Shobō". (Japan), December 1979
  • Senshi Sōsho Vol.31, Naval armaments and war preparation (1), "Until November 1941", Asagumo Simbun (Japan), November 1969
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