Japanese submarine I-180

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Career
Name: I-180
Builder: Yokosuka Naval Arsenal
Laid down: 17 April 1941, as I-80
Launched: 7 February 1942
Completed: 15 January 1943, as I-180
Struck: 10 July 1944
Fate: Sunk, 27 April 1944
General characteristics [1]
Class & type: Kaidai-class submarine (Type VII)
Displacement: 1,833 long tons (1,862 t) surfaced
2,602 long tons (2,644 t) submerged
Length: 346 ft (105 m)
Beam: 27 ft (8.2 m)
Draught: 15 ft (4.6 m)
Propulsion: 2 × diesel engines, 8,000 hp (6.0 MW)
Electric motors, 1,800 hp (1.3 MW)
Speed: 23 knots (43 km/h; 26 mph) (surfaced)
8 kn (15 km/h; 9.2 mph) (submerged)
Range: 8,000 nmi (15,000 km) at 16 kn (30 km/h; 18 mph) (surfaced)
Endurance: 75 days
Test depth: 80 m (260 ft)
Complement: 86 officers and men
Armament: 6 × 533 mm (21 in) forward torpedo tubes
12 × Type 95 torpedoes
1 × 12 cm (4.7 in)/50 cal. deck gun

I-180 was a Kaidai-class submarine (KD7 Type) of the Imperial Japanese Navy during World War II. Ordered in 1939 under the 4th Naval Armaments Supplement Programme, she was laid down at the Yokosuka Naval Arsenal on 17 April 1941 as I-80. Launched on 7 February 1942, she was renumbered I-180 on 20 May 1942, and completed on 15 January 1943.[2]

Service history[edit]

At the end of March 1943, with her sister ships I-177 and I-178, I-180 departed from Truk to patrol off the east coast of Australia. There she torpedoed and sank the Australian merchant ship Wollongbar on 29 April 1943, the Norwegian merchant ship Fingal on 5 May 1943, and damaged the Australian merchant vessels Ormiston and Caradale on 12 May 1943.[2]

In mid-July 1943 I-180 was diverted from her patrol to Kolombangara in the Solomon Islands, arriving in the aftermath of the battle and rescuing 21 survivors from the light cruiser Jintsu.[2]

On 12 October 1943, the Allies launched an air offensive against Rabaul, with 349 aircraft attacking the port and airfields. During the attack I-180 sustained a direct hit which wrecked her superstructure and prevented her from diving. She sailed on the surface back to Sasebo for repairs and was operational again early the next year.[2]

In late March 1944 she sailed from Ominato to patrol off the Aleutian Islands. On 19 April she sank the liberty ship John Straub,[2] and almost certainly also sank the Soviet cargo ship Pavlin Vinogradov on 22 April.[3]

Late on 25 April, she was detected while surfaced by the destroyer escort USS Gilmore south-west of Chirikof Island. The submarine promptly crash dived, and over the next three hours Gilmore laid down three barrages of Mark 10 "Hedgehog" anti-submarine mortar shells without result, and then two patterns of depth charges, before finally seeing a heavy underwater explosion at 01:12 on 26 April[2] at 55°9′57″N 155°40′0″W / 55.16583°N 155.66667°W / 55.16583; -155.66667Coordinates: 55°9′57″N 155°40′0″W / 55.16583°N 155.66667°W / 55.16583; -155.66667.[4] On 20 May 1944 I-180 was presumed lost, along with all people on board dead, and on 10 July 1944 was removed from the Navy List.[2]

References[edit]

  1. ^ "Type KD7". combinedfleet.com. 2012. Retrieved 20 January 2012. 
  2. ^ a b c d e f g Hackett, Bob; Kingsepp, Sander (2012). "IJN Submarine I-180: Tabular Record of Movement". combinedfleet.com. Retrieved 20 January 2012. 
  3. ^ Paperno, Alla (2011). "Losses of the Soviet Transport Fleet". The Unknown World War II in the North Pacific. Retrieved 20 January 2012.  (Translated by Alexey Barmin & Dmitriy Tegin)
  4. ^ "Wreck of HIJMS I-180". wikimapia.org. 2011. Retrieved 20 January 2012.