No.31 class patrol boat
Encyclopedia
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The was a class of patrol boats of the Imperial Japanese Navy
(IJN), serving during World War II. 9 vessels were converted from Momi-class destroyer
and 1 vessel was converted from Wakatake-class destroyer
in 1940.
The was a class of patrol boats of the Imperial Japanese Navy
Imperial Japanese Navy
The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...
(IJN), serving during World War II. 9 vessels were converted from Momi-class destroyer
Momi class destroyer
The Momi class destroyers was a class of twenty one 2nd class destroyers of the Imperial Japanese Navy. All were named for plants. Obsolete by the beginning of the Pacific War, the Momi were relegated to mostly secondary roles, with some vessels serving throughout the war as patrol vessels...
and 1 vessel was converted from Wakatake-class destroyer
Wakatake class destroyer
The was a class of eight 2nd-class destroyers of the Imperial Japanese Navy.-Background:The medium-sized Wakatake-class destroyers were a follow-on to the Momi class destroyer as part of the Imperial Japanese Navy's 8-6 Fleet Program from fiscal 1921 as a lower cost accompaniment to the larger...
in 1940.
Background
- In 1939, the IJN was liberated from London Naval TreatyLondon Naval TreatyThe London Naval Treaty was an agreement between the United Kingdom, the Empire of Japan, France, Italy and the United States, signed on April 22, 1930, which regulated submarine warfare and limited naval shipbuilding. Ratifications were exchanged in London on October 27, 1930, and the treaty went...
, and they built a lot of Kagerō-class destroyerKagero class destroyerThe was a class of ships in service with the Imperial Japanese Navy during World War II. There were 19 ships total in the class. The IJN called them from their plan name.-Description:...
s. On the other hand, aging of the Momi-class destroyers were serious. Their boilers were worn down very much because they were destroyers. Some Momi-class were not able to show 30 knots speed. The Navy General StaffImperial Japanese Navy General StaffThe was the highest organ within the Imperial Japanese Navy. In charge of planning and operations, it was headed by an Admiral headquartered in Tokyo.-History:...
made the Confidential Document No.456. It was an order to rebuilt them into patrol boat about four of Minekaze-class destroyers and six of Momi-class destroyerMomi class destroyerThe Momi class destroyers was a class of twenty one 2nd class destroyers of the Imperial Japanese Navy. All were named for plants. Obsolete by the beginning of the Pacific War, the Momi were relegated to mostly secondary roles, with some vessels serving throughout the war as patrol vessels...
s. The IJN chose nine of Momi-class and one of Wakatake-class. Three Momis and one Wakatake were increased, because two Minekazes were decreased.
Rebuilt
- 10 vessels were sent to dockyards for rebuilt. Q turret, all of torpedo tubes and one boiler were removed in 1940.
- Second half of 1941, the IJN rebuilt them once again for war preparations. They were rebuilt to the landing craft carrier. Y turret was moved to a place of the Q turret. Furthermore, slope for DaihatsuDaihatsu class landing craftThe Daihatsu Class or 14m landing craft was a type of landing craft, used by the Imperial Japanese Army during World War II. It was similar to the Landing Craft, Vehicle, Personnel , with a bow ramp that was lowered to disembark cargo upon riding up onto the beach...
was installed to their stern, and added deck house for one company of Navy Landing ForceImperial Japanese Navy Land ForcesImperial Japanese Navy Land Forces of World War II originated with the Special Naval Landing Forces, and eventually consisted of the following:...
. As for the No.31 and the No.46, these rebuilt were not done.
Service
- 10 and 23 December 1941: Sortie for the Battle of Wake IslandBattle of Wake IslandThe Battle of Wake Island began simultaneously with the Attack on Pearl Harbor and ended on 23 December 1941, with the surrender of the American forces to the Empire of Japan...
. (No.32 and No.33) - 12 December 1941: Sortie for the invasion of Legazpi. (No.34, No.35 and No.36)
- 20 December 1941: Sortie for invasion of DavaoDavao CityThe City of Davao is the largest city in the island of Mindanao in the Philippines. Its international airport and seaports are among the busiest cargo hubs in the Philippines....
. (No.36 and No.37) - 25 December 1941: Sortie for invasion of JoloJoloJolo may refer to:* Jolo Island* Jolo, Sulu* Jolo, West Virginia* Jolo is also the nickname of Swedish author Jan Olof Olsson....
. (No.36 and No.37) - 11 January 1942: Sortie for the Battle of TarakanBattle of Tarakan (1942)The Battle of Tarakan took place on January 11–12, 1942. Even though Tarakan was only a small marshy island at northeastern Borneo in the Netherlands East Indies, but the 700 oil wells, oil refinery and airfield on it, was one of the main objectives for the Empire of Japan in the Pacific War...
. (No.36, No.37 and No.38) - 11 January 1942: Sortie for the Battle of ManadoBattle of ManadoThe Battle of Manado was a battle of the Pacific Theatre of World War II. It occurred at Manado on the Minahasa peninsula on the northern part of the island of Celebes , from 11–13 January 1942 as an attempt to open a passage to attack Australia through the eastern part of Dutch East...
. (No.34, No.1 and No.2) - 31 January 1942: Sortie for the Battle of AmbonBattle of AmbonThe Battle of Ambon occurred on the island of Ambon in the Dutch East Indies , on 30 January – 3 February 1942, during World War II. A Japanese invasion was resisted by Dutch and Australian forces...
. (No.34 and No.39) - 20 February 1942: Sortie for invasion of KupangKupangNot to be confused with Tanjung Kupang in JohoreKupang is the provincial capital of East Nusa Tenggara province in southeast Indonesia....
. (No.39, No.1 and No.2) - 1 March 1942: Sortie for invasion of SurabayaSurabayaSurabaya is Indonesia's second-largest city with a population of over 2.7 million , and the capital of the province of East Java...
. (No.34, No.36, No.37, No.38 and No.39) - 31 March 1942: Sortie for the Battle of Christmas IslandBattle of Christmas IslandThe Battle of Christmas Island, was a small engagement which began on 31 March 1942, during World War II. Because of a mutiny by Indian soldiers against their British officers, Japanese troops were able to occupy Christmas Island without any resistance...
. (No.34 and No.36) - (after): The IJN which finished First Phase Operations allotted them to the convoy escort operations. Only No.36 was survived war.
No.31 class
| Ship | Completed as destroyer | Rebuilt completed | Fate |
| No.31 (ex.-Kiku) | 10 December 1920 | First quarter of 1940 at Kure Naval Arsenal | Sunk by air raid at Palau Palau Palau , officially the Republic of Palau , is an island nation in the Pacific Ocean, east of the Philippines and south of Tokyo. In 1978, after three decades as being part of the United Nations trusteeship, Palau chose independence instead of becoming part of the Federated States of Micronesia, a... on 30 March 1944. Decommissioned on 10 May 1944. |
| No.32 (ex.-Aoi) | 20 December 1920 | First quarter of 1940 at Kure Naval Arsenal | Aground during the Battle of Wake Island Battle of Wake Island The Battle of Wake Island began simultaneously with the Attack on Pearl Harbor and ended on 23 December 1941, with the surrender of the American forces to the Empire of Japan... on 23 December 1941, later scutlled. Decommissioned on 10 January 1942. |
| No.33 (ex.-Hagi) | 20 April 1921 | First quarter of 1940 at Hakodate Dock | Aground during the Battle of Wake Island on 23 December 1941, later scutlled. Decommissioned on 10 January 1942. |
| No.34 (ex.-Susuki) | 25 May 1921 | First quarter of 1940 at Kure Naval Arsenal | Clashed with target ship Yakaze Japanese destroyer Yakaze was a destroyer, built for the Imperial Japanese Navy immediately following World War I. Advanced for their time, these ships served as first-line destroyers through the 1930s, but were considered obsolescent by the start of the Pacific War.-History:... and sunk off Kavieng Kavieng Kavieng is the capital of the Papua New Guinean province of New Ireland and the largest town on the island of the same name. The town is located at Balgai Bay, on the northern tip of the island. As of 2000, it had a population of 10,600.... on 6 March 1943. Decommissioned on 10 January 1945. |
| No.35 (ex.-Tsuta) | 30 June 1921 | First quarter of 1940 at Kure Naval Arsenal | Sunk by air raid off Lae Lae Lae, the capital of Morobe Province, is the second-largest city in Papua New Guinea. It is located at the start of the Highlands Highway which is the main land transport corridor from the Highlands region to the coast... on 2 September 1942. Decommissioned on 10 February 1943. |
| No.36 (ex.-Fuji) | 31 May 1921 | First quarter of 1940 at Kure Naval Arsenal | Survived war at Surabaya Surabaya Surabaya is Indonesia's second-largest city with a population of over 2.7 million , and the capital of the province of East Java... . Seized by Indonesian People's Security Army in June 1946, recaptured by Royal Netherlands Navy in July 1946. Decommissioned on 10 August 1946. Scrapped in 1947. |
| No.37 (ex.-Hishi) | 23 March 1922 | First quarter of 1940 at Sasebo Naval Arsenal | Heavily damaged during the Battle of Balikpapan Battle of Balikpapan (1942) This article concerns the naval and land battles of Balikpapan in 1942. For information on the 1945 landings by Australian forces in the same area, see Second Battle of Balikpapan.... on 24 January 1942, later scutlled. Decommissioned on 10 April 1942. |
| No.38 (ex.-Yomogi) | 19 August 1922 | First quarter of 1940 at Sasebo Naval Arsenal | Sunk by USS Atule USS Atule (SS-403) USS Atule , a Balao-class submarine, was the only ship of the United States Navy to be named for the atule.Her keel was laid down on 25 November 1943 by the Portsmouth Naval Shipyard in Kittery, Maine. Atule was launched on 6 March 1944 sponsored by Miss Elizabeth Louise Kauffman, the daughter of... at Bashi Channel Bashi Channel The Bashi Channel is a strait between the Y'Ami Island of the Philippines and Orchid Island of Taiwan. It is characterized by windy storms during the rainy period, June to December. It is a part of the Pacific Ocean.... 20°12′N 121°51′E on 25 November 1944. Decommissioned on 10 March 1945. |
| No.39 (ex.-Tade) | 31 July 1922 | First quarter of 1940 at Sasebo Naval Arsenal | Sunk by USS Seawolf USS Seawolf (SS-197) USS Seawolf , a Sargo-class submarine, was the second submarine of the United States Navy named for the seawolf.Her keel was laid down on 27 September 1938 by the Portsmouth Navy Yard in Kittery, Maine. She was launched on 15 August 1939 sponsored by Mrs. Edward C. Kalbfus and commissioned on 1... off Yonaguni Yonaguni is one of the Yaeyama Islands. It is the westernmost inhabited island of Japan and lies from the east coast of Taiwan, between the East China Sea and the Pacific Ocean proper.... 23°45′N 122°45′E on 23 April 1943. Decommissioned on 1 July 1943. |
No.46 class
No.40 to No.45 were a space to the vessels numbers. These numbers were going to be given to all of Wakatakes.| Ship | Completed as destroyer | Rebuilt completed | Fate |
| No.46 (ex.-Yūgao) | 31 May 1924 | First quarter of 1940 at Kure Naval Arsenal | Sunk by USS Greenling USS Greenling (SS-213) , a Gato-class submarine, was the first ship of the United States Navy to be named for the greenling, an elongate, fine-scaled fish found from Kamchatka to California.... off Minamiizu Minamiizu, Shizuoka is a town located at the southern tip of Izu Peninsula in Kamo District, Shizuoka, Japan. As of February 2009, the town has an estimated population of 9,637 and a density of 87.1 persons per km². The total area is 110.58 km².-Geography:... 34°30′N 138°34′E on 10 November 1944. Decommissioned on 10 January 1945. |
See also
- High speed transportHigh speed transportHigh Speed Transports were converted destroyers and destroyer escorts used to support amphibious operations in World War II and afterward. They received the US Hull classification symbol APD; "AP" for transport and "D" for destroyer....
- No.1 class patrol boatNo.1 class patrol boat (1940)The was a class of patrol boats of the Imperial Japanese Navy , serving during World War II. 2 vessels were converted from Minekaze-class destroyers in 1940.-Background:...
- No.1 class landing shipNo.1 class landing shipThe was a class of amphibious assault ships of the Imperial Japanese Navy , serving during and after World War II. The IJN also called them .-Background:...
- Momi class destroyerMomi class destroyerThe Momi class destroyers was a class of twenty one 2nd class destroyers of the Imperial Japanese Navy. All were named for plants. Obsolete by the beginning of the Pacific War, the Momi were relegated to mostly secondary roles, with some vessels serving throughout the war as patrol vessels...
- Wakatake class destroyerWakatake class destroyerThe was a class of eight 2nd-class destroyers of the Imperial Japanese Navy.-Background:The medium-sized Wakatake-class destroyers were a follow-on to the Momi class destroyer as part of the Imperial Japanese Navy's 8-6 Fleet Program from fiscal 1921 as a lower cost accompaniment to the larger...
- Battle of Wake IslandBattle of Wake IslandThe Battle of Wake Island began simultaneously with the Attack on Pearl Harbor and ended on 23 December 1941, with the surrender of the American forces to the Empire of Japan...