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History | |
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Name | I-61 |
Builder | Mitsubishi Kobe Yard, Kobe, Japan |
Laid down | 15 November 1926 |
Launched | 12 November 1927 |
Completed | 6 April 1929 |
Commissioned | 6 April 1929 |
Decommissioned | 11 January 1932 |
Recommissioned | 1 June 1934 |
Decommissioned | 15 November 1939 or 20 March 1940 |
Recommissioned | 15 April 1940 or 15 November 1940 |
Fate |
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Stricken | 1 April 1942 |
General characteristics | |
Class and type | KD4 Type, Kadai type submarine |
Displacement |
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Length | 97.70 m (320 ft 6 in) |
Beam | 7.80 m (25 ft 7 in) |
Draught | 4.83 m (15 ft 10 in) |
Propulsion |
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Speed |
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Range | |
Test depth | 60 m (197 ft) |
Complement | 58 officers and enlisted |
Armament |
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I-61 was a Kaidai-class cruiser submarine of the KD4 sub-class built for the Imperial Japanese Navy (IJN) during the 1920s. She sank in an October 1941 collision, [2] just prior to Japan's entry into World War II.
The first unit of the KD4 sub-class, I-61 was built by Mitsubishi at Kobe, Japan. Her keel was laid on 15 November 1926 and she was launched on 12 November 1927. She was completed on 6 April 1929.
Upon completion, I-61 was assigned to the Sasebo Naval District. [3] On 24 April 1929, she and her sister ship, the submarine I-62, combined to form Submarine Division 29, [3] [4] [5] [6] in which I-61 spent her entire career. [3] The division was attached to the Sasebo Naval District. [3]
Submarine Division 29 was reassigned to Submarine Squadron 1 in the 1st Fleet in the Combined Fleet on 1 December 1930. [3] I-61 apparently was decommissioned and placed in reserve on 11 January 1932, [6] and was transferred to the Sasebo Defense Division in the Sasebo Naval District on 10 November 1932, [3] and then to Submarine Squadron 2 in the 2nd Fleet in the Combined Fleet on 15 November 1933. [3] She was recommissioned on 1 June 1934. [3] On 27 September 1934, she departed Ryojun, Manchukuo, in company with I-62 and the submarines I-56 , I-57 , I-58 , I-64, I-65 , I-66 , and I-67 for a training cruise off Qingdao, China. [3] [4] [7] [8] [9] [10] [11] [12] [13] The nine submarines completed the cruise with their arrival at Sasebo on 5 October 1934. [3] [4] [7] [8] [9] [10] [11] [12] [13]
On 7 February 1935, I-61 departed Sasebo in company with the other eight submarines of Submarine Squadron 2 — I-53 , I-54 , I-55 , I-59 , I-60, I-62 , I-63, and I-64 — for a training cruise in the Kuril Islands. [3] [4] [10] [14] [15] [16] [17] [18] [19] The cruise concluded with their arrival at Sukumo Bay on 25 February 1935. [3] [4] [10] [14] [15] [16] [17] [18] [19] The nine submarines departed Sasebo on 29 March 1935 to train in Chinese waters, returning to Sasebo on 4 April 1935. [3] [4] [10] [14] [15] [16] [17] [18] [19] On 15 November 1935, Submarine Division 29 was reassigned to the Sasebo Defense Squadron in the Sasebo Naval District. [3]
On 1 December 1936, I-61 again was assigned to Submarine Squadron 2 in the 2nd Fleet, [3] and on 15 December 1938 she was reassigned to the Submarine School at Kure. [3] On 11 March 1939, I-61 suffered damage in a collision with the Japanese destroyer Yakaze off Mitajiri, Japan. [3] [5] Her Submarine School service ended when she was decommissioned and transferred to the Third Reserve in the Sasebo Naval District; [3] sources claim that this took place both on 15 November 1939 [3] and on 20 March 1940. [3] [6]
On either 15 April 1940 or 15 November 1940, [3] I-61 was recommissioned, and on 15 November 1940 she was reassigned to Submarine Squadron 5 in the Combined Fleet. [3] On 8 January 1941, she collided with the gunboat Kōshū Maru south of Cape Ashizuki, Japan. [3] [5]
On 2 October 1941, with the commander of Submarine Division 29 on board, I-61 departed Sasebo with the submarine tender Rio de Janeiro Maru bound for a fleet gathering point at Murokusumi in Yamaguchi Prefecture. In the Koshiki Channel that evening, the Japanese gunboat Kiso Maru mistook a red light she saw I-61 displaying aft of Rio de Janeiro Maru for that of a smaller vessel and misjudged her passing distance behind I-61. She collided with I-61 around 23:21. I-61 sank quickly, with the loss of all 71 men on board. [2] [5] [20]
On 20 January 1942 or in February 1942, [3] I-61′s wreck was refloated, and it was sold for scrapping in 1942. I-61 was struck from the naval register on 1 April 1942.