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  HA-22 Type A Midget Submarine
Type A
Kō-hyōteki kō-gata

46 Tons (surfaced)
47 Tons (submerged)
78.5' x 6' x 10.2'
2 x Type 97 torpedo
140kg scuttling charge

Submarine History
Built by Karasukojima Naval Armory as the 22nd Type A Midget Submarine completed. Delivered to the Imperial Japanese Navy (IJN).

Wartime History
On December 7, 1942 Japanese submarine I-16 embarks HA-22 and departs Shortland bound for Guadalcanal.

Sinking History
On December 13, 1942 at 4:48am Japanese submarine I-16 launches HA-22 roughly 10 miles off Savo Island. Aboard is commander Lt(jg) Yoshimi Kado and crew member PO Toshio Yahagi. At dawn, HA-22 sights hospital ship USS Solace AH-5 off Lunga Point on Guadalcanal and fires both torpedoes at a destroyer in the same area but neither hits. Afterwards, this submarine reaches Cape Esperence on Guadalcanal and was scuttled by the crew.

Fates of the Crew
Both of the crew reach shore join Japanese forces. Their ultimate fate is unknown.

Possibly, this submarine might be Type A Midget Submarine (Cape Esperence 1945). On January 4, 1945 USCGC Ironwood (WLB-297) began salvaging this submarine from a depth of 30' off Cape Esperence on Guadalcanal. Divers, working from a small boat, use a hose and crowbars to clear a space under the bow and stern of the submarine. On January 9, 1945 a chain sling is rigged around the bow for salvage. The identity of this 1945 salvaged midget submarine is unknown but possibly HA-8, HA-22 or HA-37.

Combined Fleet - Midget Submarines in the Solomon Islands 1942

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Last Updated
May 22, 2017


Dec 13, 1942


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  Pacific Wrecks Inc. is a non-profit 501(c)(3) charity dedicated to bringing home those Missing In Action (MIA) and leveraging new technologies in the study of World War II Pacific and the Korean War.  
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