No.1 class auxiliary submarine chaser


No.1 class on 10 January 1945
Class overview
Name: No.1-class auxiliary submarine chaser
Builders: Hull
Ichikawa Shipyard
Gōriki Shipyard
Koyanagi Shipyard
Saga Iron Works
Shikoku Dock Company
Jinen Iron Works
Tokushima Limited Sipyard
Nishii Shipyard
Hayashikane Heavy Industries
Fukuoka Iron Works
Fukushima Iron Works
Funaya Iron Works
Miho Shipyard
Murakami Shipyard
Yamanishi Iron Works
Yonago Shipyard
Fitted with armaments
Kure Naval Arsenal
Maizuru Naval Arsenal
Sasebo Naval Arsenal
Yokosuka Naval Arsenal
Operators: Imperial Japanese Navy
Japan Maritime Safety Agency
Japan Coastal Safety Force (later Japan Maritime Self-Defence Force)
Government of Japan
Republic of China Navy
People's Liberation Army Navy
Built: 1942 (?)–1945
In commission: 1943–1971
Planned: 200
Completed: 200
Lost: 81
Retired: 119
General characteristics
Type: Submarine chaser
Displacement: 130 long tons (132 t) standard
Length: 29.20 m (95 ft 10 in) overall
Beam: 5.65 m (18 ft 6 in)
Draught: 1.97 m (6 ft 6 in)
Propulsion: 1 × intermediate diesel
shingle shaft, 400 bhp
Speed: 11.0 knots (12.7 mph; 20.4 km/h)
Range: 1,000 nmi (1,900 km) at 10.0 kn (11.5 mph; 18.5 km/h)
Complement: 32
Armament: • 1 × 7.7 mm machine gun
• 22 × depth charges
• 1 × dunking hydrophone
• 1 × simple sonar

The No.1 class auxiliary submarine chaser (第一号型駆潜特務艇, Dai Ichi Gō-gata Kusen-Tokumutei?) was a class of submarine chasers of the Imperial Japanese Navy (IJN), serving during World War II. 200 vessels were built under the Maru Kyū Programme (Ship # 500–599) and the Maru Sen Programme (Ship # 2001–2100).

Background

Ships in class

Maru Kyū Programme vessels. (Ship # 500–599)

Maru Sen Programme vessels. (Ship # 2001–2100)

Bibliography