Japanese submarine chaser Cha-186
Cha-186 or No. 186 (Japanese: 第百八十六號驅潜特務艇) was a No.1-class auxiliary submarine chaser of the Imperial Japanese Navy that served during World War II and with Japan during the post-war period.
| History | |
|---|---|
 Imperial Japanese Navy | |
| Name | Cha-186 |
| Builder | Ichikawa Shipyard, Ujiyamada |
| Yard number | 2036 |
| Laid down | 3 May 1944 |
| Launched | 6 July 1944 |
| Completed | 4 September 1944 |
| Commissioned | 4 September 1944 |
| Decommissioned | 30 November 1945 |
| Fate | mobilized by the Allied occupation forces, 1 December 1945 |
  Allied Occupation Force | |
| Acquired | 1 December 1945 |
| Decommissioned | 1 August 1947 |
| Fate | transferred to Ministry of Transportation, 28 August 1947 |
| Ministry of Transportation | |
| Acquired | 28 August 1947 |
| Fate | transferred to Japan Maritime Safety Agency, 1 May 1948 |
 Japan Maritime Safety Agency | |
| Acquired | 1 May 1948 |
| Renamed | Patrol Vessel Hatsukari (PB-13), 23 August 1948 Patrol Vessel Hatsukari (PS-13), 1 July 1950 Patrol Vessel Hatsukari (PS-131), 1 July 1951 |
| Stricken | 20 November 1956 |
| Fate | unknown |
| General characteristics | |
| Class and type | No.1-class submarine chaser |
| Displacement | 130 long tons (132 t) standard[1] |
| 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 |
|
| Speed | 11.0 knots (20.4 km/h; 12.7 mph) |
| Range | 1,000 nmi (1,900 km; 1,200 mi) at 10.0 kn (18.5 km/h; 11.5 mph) |
| Complement | 32 |
| Armament |
|
History
editHer construction was authorized under the Maru Sen Programme (Ship # 2001–2100). She was laid down on 3 May 1944 as ship 2036 at the Ichikawa Shipyard (jp:市川造船所) in Ujiyamada[1] and launched on 6 July 1944.[2]
She was completed and commissioned on 4 September 1944,[2] fitted with armaments at the Yokosuka Naval Arsenal, and assigned to the Yokosuka Defense squadron, Yokosuka Defense Force, Yokosuka Naval District and tasked with securing Tokyo Bay.[2] She operated out of Uraga, Kanagawa with patrols to Tateyama, Chiba.[2] On 7 September 1944, she was assigned to the Shimoda, Shizuoka patrol unit.[2] On 4 March 1945, she was assigned to Tateyama guard area.[2] On 15 May 1945, she was assigned to the Tsushima Defense Force, Kanmon Straits Defense Unit.[2] On 5 June 1945, she was assigned to the Shimonoseki Defense Corps.[2] Cha-186 survived the war and was decommissioned on 30 November 1945.[2][3]
On 1 December 1945, she was enrolled as a minesweeper by the occupation forces,[2] one of 269 Japanese ships that served as a minesweeper under the Allied forces after the war.[4] She conducted minesweeping operations based out of Shimonoseki and later Kure and then Osaka.[2] On 1 August 1947, she was demobilized[2] and on 28 August 1947, she was released to the Ministry of Transportation.[2]
On 1 May 1948, she was assigned to the Japan Maritime Safety Agency, a sub-agency of the Ministry of Transportation, and designated on 23 August 1948 as patrol vessel Hatsukari (はつかり) (PB-13).[2] On 1 July 1950, she was re-designated as patrol vessel Hatsukari (PS-13).[2] On 1 July 1951, she was re-designated as patrol vessel Hatsukari (PS-131).[2] She was delisted on 20 November 1956.[2]
References
edit- ^ a b Toda, Gengoro S. (21 September 2019). "驅潜特務艇 (Cha - Stats)". Imperial Japanese Navy - Tokusetsukansen (in Japanese).
- ^ a b c d e f g h i j k l m n o p q Toda, Gengoro S. "第百八十六號驅潜特務艇の艦歴 (No. 186 submarine chaser - Ship History)". Imperial Japanese Navy -Tokusetsu Kansen (in Japanese).
- ^ Japanese Naval Vessels at the End of the War (PDF). 25 April 1947. pp. 113–115.
- ^ Hackett, Bob; Cundall, Peter; Casse, Gilbert (2012). "Kakyakusen: IJN Escort CD-76: Tabular Record of Movement". combinedfleet.com. Retrieved 30 March 2020.