No.3 in 1923 |
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Class overview | |
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Name: | No.1 class minesweeper |
Builders: | Sasebo Naval Arsenal Harima Zōsen Mitsui Bussan Ōsaka Iron Works |
Operators: | Imperial Japanese Navy |
Succeeded by: | No.13-class |
Subclasses: | No.1-class (Project Number I1) No.5-class (Project Number I2) |
Cost: | 700,000 JPY (in 1920) |
Built: | 1922 – 1929 |
In commission: | 1923 – 1946 |
Planned: | 6 |
Completed: | 6 |
Lost: | 5 |
Retired: | 1 |
General characteristics No.1-class | |
Displacement: | 600 long tons (610 t) standard |
Length: | 76.20 m (250 ft 0 in) overall |
Beam: | 8.03 m (26 ft 4 in) |
Draught: | 2.29 m (7 ft 6 in) |
Propulsion: | 2 × triple expansion stages reciprocating engines 3 × Kampon coal fired boilers 2 shafts, 4,000 shp |
Speed: | 20.0 knots (23.0 mph; 37.0 km/h) |
Range: | 2,000 nmi (3,700 km) at 10 kn (12 mph; 19 km/h) |
Complement: | 97 |
Armament: | • 2 × 120 mm (4.7 in) L/45 naval guns • 1 × 76.2 mm (3.00 in) L/40 AA gun • 18 × depth charges • 2 × Type 81 depth charge projectors • 1 × paravane or 50 × Mk.5 naval mines |
General characteristics No.5-class | |
Displacement: | 620 long tons (630 t) standard |
Length: | 77.00 m (252 ft 7 in) overall |
Beam: | 8.25 m (27 ft 1 in) |
Draught: | 2.25 m (7 ft 5 in) |
Propulsion: | 2 × triple expansion stages reciprocating engines 3 × Kampon coal fired boilers 2 shafts, 4,000 shp |
Speed: | 21.0 knots (24.2 mph; 38.9 km/h) |
Range: | 2,000 nmi (3,700 km) at 14 kn (16 mph; 26 km/h) |
Complement: | 91 |
Armament: | • 2 × 120 mm (4.7 in) L/45 naval guns • 1 × 76.2 mm (3.00 in) L/40 AA gun • 18 × depth charges • 2 × Type 81 depth charge projectors • 2 × paravanes or 50 × Mk.5 naval mines |
The No.1 class minesweeper (第一号型掃海艇, Dai Icih Gō-gata Sōkaitei ) was a class of minesweepers of the Imperial Japanese Navy (IJN), serving during 1930s and World War II. 6 vessels were built in 1922-29 under the Eight-eight fleet plan. They have two sub classes, this article handles them collectively.
Contents |
Ship | Builder | Laid down | Launched | Completed | Fate |
No.1[1] | Harima Zōsen | 10 May 1922 | 6 March 1923 | 30 June 1923 | Sunk by air raid at Yamada Bay on 10 August 1945; removed from naval ship list on 15 September 1945. |
No.2 | Mitsui, Tama Shipyard | 13 April 1922 | 17 March 1923 | 30 June 1923 | Sunk by friendly torpedo by Mogami or Mikuma[2] at Bantam Bay during the Battle of Sunda Strait on 1 March 1942; removed from naval ship list on 30 November 1945. |
No.3 | Ōsaka Iron Works | 29 March 1923 | 30 June 1923 | Sunk by USS Parche at Ōfunato Bay on 9 April 1945; removed from naval ship list on 10 May 1945. | |
No.4 | Sasebo Naval Arsenal | 1 December 1923 | 24 April 1924 | 29 April 1925 | Survived war; scuttled by Royal Navy off Singapore on 11 July 1946; removed from naval ship list on 10 August 1946. |
Ship | Builder | Laid down | Launched | Completed | Fate |
No.5 | Mitsui, Tama Shipyard | 25 March 1928 | 30 Octpber 1928 | 25 February 1929 | Sunk by HMS Terrapin at Strait of Malacca on 4 November 1944; removed from naval ship list on 10 March 1945. |
No.6 | Ōsaka Iron Works | 10 March 1928 | 29 Octpber 1928 | 25 February 1929 | Sunk by air raid off Kuching on 26 December 1941; removed from naval ship list on 10 January 1942. |
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