MD Helicopters MD 500
978-613-0-86740-9
6130867409
116
2010-06-22
39.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The MD Helicopters MD 500 series is an American family of light utility civilian and military helicopters. The MD 500 was developed from the Hughes 500, a civilian version of the US Army's OH-6A Cayuse/Loach. The series currently includes the MD 500E, MD 520N, and MD 530F.The successful Hughes 500/MD 500 series began life in response to a US Army requirement for a light observation helicopter. Hughes' Model 369 won the contest against competition from Bell and Hiller. The OH-6 Cayuse first flew in February 1963.Prior to the OH-6's first flight, Hughes announced it was developing a civil version, to be marketed as the Hughes 500, available in basic five and seven seat configurations.A utility version with a more powerful engine was offered as the 500U (later called the 500C).
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航空和航天技术
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