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__NOTOC__ The Air Tractor AT-500 is a family of agricultural aircraft that first flew in the United States on 25 April 1986, manufactured by Air Tractor Inc. Of monoplane low-wing, taildragger configuration, they carry a chemical hopper between the engine firewall and the cockpit. Compared with their predecessor, the AT-500 family mostly feature a wingspan increased to 50 ft (15.2 m), and an additional fuselage stretch of 22 in (56 cm), allowing for a larger chemical hopper. Almost all variants have a second seat for a passenger or observer. ==Variants== ;AT-500:Prototype. ;AT-501:Piston-powered version with Pratt & Whitney R-1340 engine ;AT-502:Main production version with Pratt & Whitney Canada PT6A engine and one seat ;AT-503:production version with Pratt & Whitney Canada PT6A engine and two seats ;AT-503A:Dual-control trainer version of AT-503 with shorter AT-401 wings ;AT-503T:Dual-control trainer version of AT-503 with shorter AT-401 wings 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「Air Tractor AT-501」の詳細全文を読む スポンサード リンク
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