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  Shonan Maru No. 6
IJN
Converted Sub Chaser




Ship History
Originally a whale hunter. During June 1941 she was converted to a sub chaser, with a 8cm gun on the bow, a 7.7mm machine gun atop the bridge and a depth charge thrower on the aft deck

Sinking History
On January 30, 1944 she was crossing the lagoon loaded with 100 passengers and crew escaping to another island, as the American invasion was underway. It was damaged by TF 58 planes and it was decided to beach the ship when it started to flood. Some of the crew was killed in strafing attacks. At nightfall, the stranded crew radioed for supplies and weapons.

Captured Documents
On board the wreck were 75 secret documents of hydrographic charts of the Marshall and Caroline Islands, Bonun, Marianas and major ports in Japan. Also, code books and signals and other secret papers. These materials were used in Operation Catchpole, the invasion of Eniwetok ten days later. Some of these charts were first new data the US Hydrographic Office had on the locations in over 100 years!

Shipwreck
Easy to find, the boilers protrude above water. The bow section is recognizable at 3', but the rest of the ship has collapsed. The stern has twisted around to face the bow, and the propeller is present on the bottom. Shelling and setting on fire by troops accounts for its poor condition. There is little of interest for divers.

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Last Updated
February 4, 2018

 

SCUBA
0 - 10'
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