CH-4-class submarine chaser
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No.8 in 1938
|Name:||No.4 class submarine chaser|
|Preceded by:||No.3 class|
|Succeeded by:||No.13 class|
|Built:||1937 – 1939|
|In commission:||1938 – 1960|
|Lost:||7 (or 6)|
|Retired:||2 (or 3)|
|Beam:||5.6 m (18 ft 4 in)|
|Draught:||2.1 m (6 ft 11 in)|
|Propulsion:||2 × Kampon Mk.22 Model 6 diesels, 2 shafts, 2,600 bhp|
|Speed:||20.0 knots (23.0 mph; 37.0 km/h)|
|Range:||2,000 nmi (3,700 km) at 14 kn (16 mph; 26 km/h)|
The No.4 class submarine chaser (第四号型駆潜艇, Dai 4 Gō-gata Kusentei?) was a class of submarine chasers of the Imperial Japanese Navy (IJN), serving during and after World War II. 9 vessels were built in 1937-39 under the Maru 3 Programme.
- Project number was K7. The No.4 class submarine chaser was reinforced model of the No.3 class. They lifted freeboard. Other general placement were same as No.3 class.
- Their design was elaborate, because the Navy Technical Department (Kampon) devoted itself to making them small. However, their designs were not able to accept the reinforcement of anti-aircraft guns and depth charges.
Ships in class
|Ship #||Ship||Builder||Laid down||Launched||Completed||Fate|
|62||No.7||Tsurumi Iron Works||30 October 1937||10 June 1938||15 November 1938||Sunk by aircraft at east of Car Nicobar on 11 April 1945.|
|63||No.8||Tama Shipyards||10 January 1938||9 August 1938||30 November 1938||Sunk by HMS Trenchant and HMS Terrapin at Strait of Malacca on 4 March 1945.|
|64||No.4||Ōsaka Iron Works, Sakurajima Factory||19 January 1938||13 September 1938||28 December 1938||Struck a naval mine and sank at Surabaya on 13 August 1945.|
|65||No.5||Mitsubishi, Yokohama Shipyard||25 January 1938||28 July 1938||6 December 1938||Scuttled by Royal Navy off Singapore on 11 July 1946. Decommissioned on 10 August 1946.|
|66||No.11||Tsurumi Iron Works||19 January 1938||28 June 1938||2 February 1939||Sunk by aircraft at west of Buka Island on 6 November 1943.|
|67||No.12||Tama Shipyards||15 July 1938||8 February 1939||30 April 1939||Probably sunk by USS Bluegill east of Mindanao on 13 August 1944. Decommissioned on 30 September 1945.|
|68||No.10||Ōsaka Iron Works, Sakurajima Factory||16 September 1938||31 January 1939||15 June 1939||Aground at Angaur on 2 May 1944. Later scuttled.|
|69||No.9||Mitsubishi, Yokohama Shipyard||10 May 1938||15 October 1938||9 May 1939||Decommissioned on 20 December 1945. Surrendered to Republic of China on 3 October 1947, and renamed Haida. Renamed Fuling (PC-107) in January 1951. Renamed Minjiang in 1954. Decommissioned ni 1960.|
|70||No.6||Tsurumi Iron Works||5 July 1938||6 February 1939||20 May 1939||Heavy damaged by aircraft at Palau on 30 March 1944. Later sank in shallow water.|
- Another opinion: The No.12 was survived war at Palau.
- Submarine chaser No.7 (第7号駆潜艇 Dai 7 Gō Kusentei?). The same shall apply hereinafter.