W-19-class minesweeper
The No.19 class minesweeper (第十九号型掃海艇,, Dai Jūkyū Gō-gata Sōkaitei) was a class of minesweepers of the Imperial Japanese Navy (IJN), serving during World War II. 70 vessels were planned under the Maru 4 Programme (Ship # 164–169), Maru Kyū Programme (Ship # 410–437) and Kai-Maru 5 Programme (Ship # 5301–5336), however, only 17 vessels were completed.
 No.29 on 22 October 1943 | |
| Class overview | |
|---|---|
| Name: | No.19 class minesweeper |
| Builders: | |
| Operators: | |
| Preceded by: | No.7-class |
| Cost: | 2,660,000 JPY (in 1939) |
| Built: | 1940 – 1944 |
| In commission: | 1941 – 1945 (IJN) |
| Planned: | 70 |
| Completed: | 17 |
| Cancelled: | 53 |
| Lost: | 15 |
| Retired: | 2 |
| General characteristics | |
| Displacement: | 648 long tons (658 t) standard |
| Length: | 72.50 m (237 ft 10 in) overall |
| Beam: | 7.85 m (25 ft 9 in) |
| Draught: | 2.61 m (8 ft 7 in) |
| Propulsion: |
|
| 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) |
| Complement: | 98 |
| Armament: |
|
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No. 20
Background
- Project number I4B. Improved model of the No.7-class. The IJN gave them a turret of 55 degrees gun elevation,[1] because the IJN wanted to attack the strong point of behind the hill to them. And it was not useful in the Pacific War very much.
- And after the Maru Kyū Programme vessels abolished double-curvature bow for a mass production and changed bow shape.
Ships in class
| Ship # | Ship | Builder | Laid down | Launched | Completed | Fate |
| 164 | No.19 [2] | Tōkyō Ishikawajima Shipyard | 17 September 1940 | 18 February 1941 | 31 May 1941 | Sunk by air raid at the mouth of the Cagayan River on 10 December 1941. Removed from naval ship list on 30 November 1945. |
| 165 | No.20 | Tōkyō Ishikawajima Shipyard | 19 March 1941 | 17 September 1941 | 15 December 1941 | Sunk by USS Trepang at Yellow Sea 34°16′N 123°37′E on 5 May 1945. Removed from naval ship list on 25 May 1945. |
| 166 | No.21 | Harima Shipyard | 20 September 1941 | 28 February 1942 | 29 June 1942 | Decommissioned on 25 October 1945. Surrendered to United States on 1 October 1947. Sunk as target at 35°19′N 123°31′E on 7 October 1947. |
| 167 | No.22 | Tōkyō Ishikawajima Shipyard | 6 October 1941 | 28 April 1942 | 31 July 1942 | Sunk by air raid at Palau on 11 November 1944. Removed from naval ship list on 10 January 1945. |
| 168 | No.23 | Tōkyō Ishikawajima Shipyard | 5 May 1942 | 13 January 1943 | 31 March 1943 | Decommissioned on 30 November 1945. Surrendered to Soviet Union on 3 October 1947. |
| 169 | No.24 | Harima Shipyard | 5 May 1942 | 16 September 1942 | 25 January 1943 | Sunk by air raid at Tsugaru Strait on 15 July 1945. Removed from naval ship list on 10 August 1945. |
| 410 | No.25 | Kure Naval Arsenal | 30 April 1943 | Sunk by air raid at Chichi-jima on 4 July 1944. Removed from naval ship list on 10 September 1944. | ||
| 411 | No.26 | Mitsubishi, Yokohama Shipyard | 31 March 1943 | Sunk by air raid at Rabaul on 17 February 1944. Removed from naval ship list on 30 April 1944. | ||
| 412 | No.27 | Harima Shipyard | 10 June 1942 | 23 February 1943 | 31 July 1943 | Sunk by USS Runner off Yamada 39°20′N 142°07′E on 10 July 1945. Removed from naval ship list on 15 September 1945. |
| 413 | No.28 | Kure Naval Arsenal | 28 June 1943 | Sunk by USS Jack at Celebes Sea 01°25′N 123°29′E on 29 August 1944. Removed from naval ship list on 10 October 1944. | ||
| 414 | No.29 | Tōkyō Ishikawajima Shipyard | 22 October 1943 | Struck a naval mine and sunk off Shimonoseki on 7 May 1945. Removed from naval ship list on 10 August 1945. | ||
| 415 | No.30 | Tōkyō Ishikawajima Shipyard | 5 February 1944 | Sunk by air raid at Ormoc Bay on 11 November 1944. Removed from naval ship list on 10 January 1945. | ||
| 416-417 | Cancelled in 1945. | |||||
| 418 | No.33 | Mitsubishi, Yokohama Shipyard | 31 July 1943 | Sunk by air raid at Onagawa Bay on 9 August 1945. Removed from naval ship list on 15 September 1945. | ||
| 419 | No.34 | Tōkyō Ishikawajima Shipyard | 29 May 1944 | Sunk by USS Chub at Java Sea 06°18′S 116°14′E on 21 May 1945. Removed from naval ship list on 10 June 1945. | ||
| 420-422 | Cancelled in 1945. | |||||
| 423 | No.38 | Fujinagata Shipyards | 10 June 1944 | Sunk by USS Atule at Bashi Channel 21°21′N 119°45′E on 19 November 1944. Removed from naval ship list on 10 March 1945. | ||
| 424 | No.39 | Harima Shipyard | 3 December 1943 | 24 February 1944 | 27 May 1944 | Sunk by USS Threadfin at Yellow Sea 35°01′N 125°42′E on 20 July 1945. Removed from naval ship list on 15 September 1945. |
| 425 | Cancelled in 1945. | |||||
| 426 | No.41 | Fujinagata Shipyards | 17 July 1944 | Sunk by air raid at Hainan on 4 January 1945. Removed from naval ship list on 15 September 1945. | ||
| 427-437 | Cancelled in 1945. | |||||
| 5301-5336 | Cancelled in 1944. | |||||
Photo
No.21 on 16 September 1945 at Qingdao
Footnotes
- 11th Year Type 120 mm (4.7 in) naval gun, Type-M turret. No.7-class equipped the 3rd Year Type 120 mm naval gun, Type-G turret (33 degrees gun elevation).
- Minesweeper No.19 (第十九号掃海艇, Dai 19 Gō Sōkaitei). The same shall apply hereinafter.
Bibliography
- Dodson, Aidan & Cant, Serena (2020). Spoils of War: The Fate of Enemy Fleets after Two World Wars. Barnsley, UK: Seaforth Publishing. ISBN 978-1-5267-4198-1.
- "Rekishi Gunzō"., History of Pacific War Vol.51 The truth histories of the Japanese Naval Vessels Part-2, Gakken (Japan), August 2005, ISBN 4-05-604083-4
- Ships of the World special issue Vol.45, Escort Vessels of the Imperial Japanese Navy, "Kaijinsha"., (Japan), February 1996
- The Maru Special, Japanese Naval Vessels No.50, Japanese minesweepers and landing ships, "Ushio Shobō". (Japan), April 1981
- 50 year History of Harima Zōsen, Harima Zōsen Corporation, November 1960
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