Type D submarine | |
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![]() I-361 on 23 May 1945 | |
Class overview | |
Name: |
Type D submarines • I-361-class (Project Number S51) • I-372-class (Project Number S51B) • I-373-class (Project Number S51C) |
Builders: |
Kure Naval Arsenal Yokosuka Naval Arsenal Mitsubishi Heavy Industries |
Operators: |
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Cost: |
• I-361-class[1] 9,426,000 JPY • I-372-class and I-373-class[2] 9,719,000 JPY |
Built: | 1943–1945 |
In commission: | 1944–1945 |
Planned: | 18 |
Completed: | 13 |
Cancelled: | 5 |
Lost: | 9 + 1 (After the end of the war) |
Retired: | 3 |
General characteristics I-361 class (Type-D submarine) | |
Type: | Transport submarine |
Displacement: |
1,440 long tons (1,463 t) surfaced 2,215 long tons (2,251 t) submerged |
Length: | 73.50 m (241 ft 2 in) overall |
Beam: | 8.90 m (29 ft 2 in) |
Draft: | 4.76 m (15 ft 7 in) |
Propulsion: |
2 × Kampon Mk.23B Model 8 diesels 1,850 bhp surfaced 1,200 shp submerged 2 shafts |
Speed: |
13.0 knots (24.1 km/h) surfaced 6.5 knots (12.0 km/h) submerged |
Range: |
15,000 nmi (28,000 km) at 10 knots (19 km/h) surfaced 120 nmi (220 km) at 3 knots (5.6 km/h) submerged |
Test depth: | 75 m (246 ft) |
Capacity: |
I-361 to I-371 as built 85 tons freight I-372 as built 90 tons gasoline I-369 in July 1945[3] 100 tons gasoline |
Complement: | 55 |
Sensors and processing systems: |
1 × Type 22 surface search radar 1 × Type 13 early warning radar |
Armament: |
I-361 as built • 2 × 533 mm (21 in) torpedo tubes • 2 × Type 95 torpedoes • 1 × 14 cm/40 11th Year Type naval gun[4] • 2 × Type 96 25mm AA guns I-372 as built • 1 × 14 cm L/40 naval gun • 2 × Type 96 25mm AA guns as Kaiten mother ship • 2 × 533 mm torpedo tubes • 2 × Type 95 torpedoes • 5 × Kaiten |
General characteristics I-373 class (Modified Type-D submarine) | |
Type: | Transport submarine |
Displacement: |
1,660 long tons (1,687 t) surfaced 2,240 long tons (2,276 t) submerged |
Length: | 74.00 m (242 ft 9 in) overall |
Beam: | 8.90 m (29 ft 2 in) |
Draft: | 5.05 m (16 ft 7 in) |
Propulsion: |
2 × Kampon Mk.23B Model 8 diesels 1,750 bhp surfaced 1,200 shp submerged 2 shafts |
Speed: |
13.0 knots (24.1 km/h) surfaced 6.5 knots (12.0 km/h) submerged |
Range: |
5,000 nmi (9,300 km) at 13 knots (24 km/h) surfaced 100 nmi (190 km) at 3 knots (5.6 km/h) submerged |
Test depth: | 100 m (330 ft) |
Capacity: |
as built 110 tons freight I-373 in June 1945[3] 200 tons gasoline |
Complement: | 55 |
Armament: |
as built • 2 × 81 mm (3 in) Type 3 mortars • 7 × Type 96 25mm AA guns |
The I-361 class submarine (伊三百六十一型潜水艦 I-361-gata Sensuikan ) was a type of the 1st class submarine in the Imperial Japanese Navy serving during the Second World War. The I-373 class submarine (伊三百七十三型潜水艦 I-373-gata Sensuikan ) was different from the I-361 class, however since the I-373 was a development form of the I-361 class, this article describes both of them. The IJN called them as follows:
- I-361-class : Sen'yu (潜輸 Transport-Submarine ), Sen'yu-Ōgata (潜輸大型 Transport Submarine-Large Type ), or Tei-gata (丁型 Type D ).
- I-372 : Sen'yu-Kai (潜輸改 Modified Transport-Submarine ).
- I-373-class : Tei-gata Kai (丁型改 Modified Type D ).
Construction[]
After the Battle of Midway the IJN immediately planned a transport submarine. The type was based on the U 155 Deutschland. Her duties were transportation of troops (110 men, 10 tons freight and 2 landing crafts) in the areas where the enemy had air superiority. Later the demands for her were changed in sequence. The final demands were 65 tons in the hull and 25 tons on the upper deck (freight only). In the beginning the IJN did not intend to equip these boats with torpedos. Later, after strong demands from the front commanders, it was decided to equip them with torpedoes for self-defense. The I-372 class was designed as a tanker submarine based on the I-361 class. They were not allowed to be loaded with torpedoes.
Service[]
In 1944, their missions were transport from mainland Japan to remote islands. They had little success and suffered big damages. Of the 13 submarines, only 4 survived war.
Kaiten missions[]
In 1945, 7 submarines were converted to be Kaiten mother ships and assigned to the suicide attack operations for the Shinchō Tokubetsu Kōgekitai (神潮特別攻撃隊 Sinchō Special Attack Force ). They removed all guns and piled up five Kaitens on upper deck.
- I-361
- Assigned to the Todoroki group (轟隊 ) on 24 May 1945, no success.
- I-363
- Assigned to the Todoroki group on 28 May 1945, sank (or damaged) one motor ship on 15 June 1945.
- Assigned to the Tamon group (多聞隊 ) on 8 August 1945, no success.
- I-366
- Assigned to the Tamon group on 1 August 1945, no success.
- I-367
- Assigned to the Shinbu group (振武隊 ) on 5 May 1945, damaged USS Gilligan on 27 May 1945.
- Assigned to the Tamon group on 19 July 1945, no success.
- I-368
- Assigned to the Chihaya group (千早隊 ) on 20 February 1945, no success.
- I-370
- Assigned to the Chihaya group on 20 February 1945, no success.
- I-372
- No sorties.
Boats in classes[]
I-361 class[]
Boat # | Name | Builder | Laid down | Launched | Completed | Fate |
5461 | I-361 [5] | Kure Naval Arsenal | 16 February 1943 | 30 October 1943 | 25 May 1944 | Converted to a Kaiten mother ship on 7 February 1945. Sunk by aircraft from USS Anzio at east of Okinawa Island 22°22′N 134°09′E / 22.367°N 134.15°E on 30 May 1945. |
5462 | I-362 | Mitsubishi, Kōbe Shipyard | 17 March 1943 | 29 November 1943 | 23 May 1944 | Sunk by USS Fleming at Caroline Islands 12°08′N 130°28′E / 12.133°N 130.467°E on 18 January 1945. |
5463 | I-363 | Kure Naval Arsenal | 1 May 1943 | 12 December 1943 | 8 July 1944 | Converted to a Kaiten mother ship on 30 March 1945. Sunk by naval mine off Miyazaki on 29 October 1945. Salvaged and scrapped on 26 January 1966. |
5464 | I-364 | Mitsubishi, Kōbe Shipyard | 26 July 1943 | 15 February 1944 | 14 June 1944 | Sunk by USS Sea Devil at Bōsō Peninsula 34°30′N 145°23′E / 34.5°N 145.383°E on 15 September 1944. |
5465 | I-365 | Yokosuka Naval Arsenal | 15 May 1943 | 17 December 1943 | 1 August1944 | Sunk by USS Scabbardfish at Tōkyō Bay 34°44′N 141°01′E / 34.733°N 141.017°E on 28 November 1944. |
5466 | I-366 | Mitsubishi, Kōbe Shipyard | 26 August 1943 | 29 March 1944 | 3 August 1944 | Converted to a Kaiten mother ship on 3 March 1945. Decommissioned on 30 November 1945. Sunk as target off Gotō Islands on 1 April 1946. |
5467 | I-367 | Mitsubishi, Kōbe Shipyard | 22 October 1943 | 28 April 1944 | 15 August 1944 | Converted to a Kaiten mother ship on 1 January 1945. Decommissioned on 30 November 1945. Sunk as target off Gotō Islands on 1 April 1946. |
5468 | I-368 | Yokosuka Naval Arsenal | 15 July 1943 | 29 January 1944 | 25 August 1944 | Converted to a Kaiten mother ship in early 1945. Sunk by aircraft from USS Anzio at west of Iwo Jima 24°07′N 140°19′E / 24.117°N 140.317°E on 27 February 1945. |
5469 | I-369 | Yokosuka Naval Arsenal | 1 September 1943 | 9 March 1944 | 9 October 1944 | Converted to a tanker submarine in June 1945;[3] decommissioned on 15 September 1945. Surrendered to United States at Yokosuka, later scrapped. |
5470 | I-370 | Mitsubishi, Kōbe Shipyard | 4 December 1943 | 26 May 1944 | 4 September 1944 | Converted to a Kaiten mother ship in early 1945. Sunk by USS Finnegan at south of Iwo Jima 22°45′N 141°27′E / 22.75°N 141.45°E on 26 February 1945. |
5471 | I-371 | Mitsubishi, Kōbe Shipyard | 22 March 1944 | 21 July 1944 | 2 October 1944 | Sunk by USS Lagarto at Bungo Channel 32°40′N 132°33′E / 32.667°N 132.55°E on 24 February 1945. |
I-372 class[]
Project number S51B. She was going to become a lead ship of the Modified Type D submarines (I-373 class), at first. However, the IJN wanted a submarine as soon as possible. She was built to tanker submarine by a revised I-361 drawings.
Boat # | Name | Builder | Laid down | Launched | Completed | Fate |
2961 | I-372 | Yokosuka Naval Arsenal | 10 February 1944 | 22 June 1944 | 8 November 1944 | Converted to a Kaiten mother ship on 16 February 1945. Sunk by USN carrier aircraft from Task Force 38 at Yokosuka on 18 July 1945. The I-372 was raised, towed to deep water, and scuttled in August 1946. |
I-373 class[]
Project number S51C. Improved model of the I-361 class. Furthermore, the IJN was planned reinforced model of the I-373 class,[6] also. However all of they were cancelled.
Boat # | Name | Builder | Laid down | Launched | Completed | Fate |
2962 | I-373 | Yokosuka Naval Arsenal | 15 August 1944 | 30 November 1944 | 14 April 1945 | Converted to a tanker submarine in June 1945;[3] sunk by USS Spikefish at East China Sea 29°02′N 123°53′E / 29.033°N 123.883°E on 13 August 1945. |
2963 | I-374 | Yokosuka Naval Arsenal | 24 October 1944 | Construction stopped on 17 April 1945 (40% complete), later scrapped. | ||
2964 | I-375 | Cancelled on 17 April 1945. | ||||
2965 - 2967 |
Footnotes[]
- ↑ Senshi Sōsho Vol.88 (1975), p.50–51
- ↑ Senshi Sōsho Vol.88 (1975), p.94–95
- ↑ 3.0 3.1 3.2 3.3 Senshi Sōsho Vol.88 (1975), p.272–273
- ↑ Campbell, John Naval Weapons of World War Two ISBN 0-87021-459-4 p.191
- ↑ 伊号第361潜水艦 (I-Gō Dai-361 Sensuikan ). The same shall apply hereinafter.
- ↑ Project Number S60, Type D II submarine (潜丁2型 Sen Tei Ni-Gata )
Bibliography[]
- "Rekishi Gunzō". http://rekigun.net/., History of Pacific War Vol.17 I-Gō Submarines, Gakken (Japan), January 1998, ISBN 4-05-601767-0
- "Rekishi Gunzō". http://rekigun.net/., History of Pacific War Vol.36 Kairyū and Kaiten, Gakken (Japan), May 2002, ISBN 4-05-602693-9
- "Rekishi Gunzō". http://rekigun.net/., History of Pacific War Vol.62 Ships of The Imperial Japanese Forces, Gakken (Japan), January 2008, ISBN 4-05-605008-2
- "Rekishi Gunzō". http://rekigun.net/., History of Pacific War Vol.63 Documents of IJN submarines and USN submarines, Gakken (Japan), January 2008, ISBN 978-4-05-605004-2
- The Maru Special, Japanese Naval Vessels No.43 Japanese Submarines III, Ushio Shobō (Japan), September 1980, Book code 68343-43
- Senshi Sōsho Vol.88, Naval armaments and war preparation (2), "And after the outbreak of war", Asagumo Simbun (Japan), October 1975
See also[]
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The original article can be found at Type D submarine and the edit history here.