November 8 This Day During World War ll

November 8, 1943 – Aichi held the first test flight of the submarine-borne attack aircraft M6A1 Seiran over Ise Bay. Lieutenant Commander Tadashi Funada was the chief test pilot. The test was a failure due to a non-responsive horizontal tail stabilizer, but it nevertheless generated much interest with the Japanese naval leadership. The M6A Seiran submarine-launched torpedo seaplanes were designed in response for a 1942 requirement for aircraft to be used in conjunction with the I-400-class submarine carriers of the Japanese Navy. They were of an all-metal construction, with control surfaces covered in fabric. The design was done so that two or three of them could be stowed aboard their submarine carriers, used to attack targets in surprise. Despite the complex folding system with their tails and wings, a seasoned crew could prepare all three aircraft for launch within 30 minutes. They made use of water-cooled engines, rather than air-cooled engines more prevalent in the Japanese Navy air service, so that they could be warmed up in their hangars while the submarine was still under water; this allowed their mother submarines to remain on the ocean surface for a smaller amount of time. Because the submarines would have no means to recover these seaplanes after a mission is carried out, the thought was that the submarine carriers would rescue the air crews and abandon the aircraft. The first prototype took flight over Ise Bay, Japan in 1943; although the test flight failed due to a non-responsive horizontal tail stabilizer, it nevertheless generated much interest with the Japanese naval leadership, who would soon issue an order for 42 combat aircraft and 2 trainer aircraft. It was around this time when the name Seiran

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