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was one of four s of the Imperial Japanese Navy (IJN). She capsized in a storm on 12 March 1934, shortly after her completion. This incident forced the IJN to review the stability of all recently completed, under construction and planned ships. She was salvaged and put back into service after extensive modifications. During World War Two, the ''Tomozuru'' fought in the Battle of the Philippines and in the Dutch East Indies campaign as an escort, and she continued to play that role for the rest of the war. ==The ''Tomozuru'' Incident== In February 1934, ''Tomozuru'' joined the 21st Torpedo Flotilla at Sasebo. *01:00, 12 March 1934, ''Tomozuru'' departed from Sasebo for a night torpedo exercise with the light cruiser and torpedo boat . *03:25, because of stormy weather, ''Tatsuta'' ordered the other two boats to return to base. *03:58, radio contact lost with ''Tomozuru''. Loss of power? *04:12, ''Tomozuru''s lights disappeared, presumably this is when she capsized. *14:05, a rescue plane discovered the capsized ''Tomozuru'' drifting. *07:00, 13 March 1934, ''Tomozuru'' was towed by ''Tatsuta'' back to Sasebo. 100 crew were lost. The instability of the ''Chidori''s arose from Japanese efforts to circumvent the various naval treaties. They had designed small vessels of around 600 tons, but with the weaponry of a destroyer of twice the displacement. Weight had been saved by lighter construction but gun systems remained complex and heavy. After the launch of the lead ship, its high centre of gravity - even higher than feared - had been noted and efforts made to remedy this. High-speed sea trials showed her to be unstable, however, and further efforts were made to rectify the problem by adding bulges to the hull. Eventually ''Chidori'' satisfied the examiners and she was commissioned and the construction of the class, including ''Tomozuru'', proceeded. At the time of her loss, ''Tomozuru'' was low on consumables such as fuel or water that would have ballasted her and lowered her centre of gravity. On the other hand, munitions were fully loaded, so the situation was significantly worse than on her sea trials. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Japanese torpedo boat Tomozuru」の詳細全文を読む スポンサード リンク
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