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The Letov ST-4 Aztek ((英語:Aztec)) is a Czech microlight aircraft that was designed and produced by Letov Kbely of Prague - Letňany, in the 1990s. When it was available the aircraft was supplied as a complete ready-to-fly-aircraft, or as a kit for amateur construction.〔Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', page 195. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1〕 In January 2014 the ST-4 was no longer listed as a product of the company. ==Design and development== The aircraft was designed to comply with the Fédération Aéronautique Internationale microlight category, including the category's maximum gross weight of . The ST-4 Aztek features a strut-braced high-wing, a two-seats-in-side-by-side configuration enclosed cockpit, fixed tricycle landing gear with wheel pants, a small tail skid and a single engine in tractor configuration.〔 The aircraft is made from aluminum tubing with fairings made from fibreglass and its flying surfaces covered in Dacron sailcloth. Its span wing, mounts flaps and has a wing area of . The wings are supported by "V" struts with jury struts and the empennage is cable-braced. The acceptable power range is and the standard engine used is the Rotax 503 two-stroke powerplant. The engine is mounted high above the cockpit on the front end of the aluminum tube that acts as the tail boom.〔 The ST-4 Aztek has a typical empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload for pilot, passenger and baggage is .〔 The manufacturer estimated the construction time from the supplied kit as 80 hours.〔 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「Letov ST-4 Aztek」の詳細全文を読む スポンサード リンク
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