The Radioplane RP-77D is an American radio-controlled turboprop-powered aerial target drone designed for surface-to-air gunnery training and practice by the US Army. The Radioplane RP-77D is constructed of Fiberglas and powered by a Boeing Model 502-10F free turbineturboprop engine providing a top speed of 665.6 kmh and a flying time of 60 minutes. Research Radioplane RP-77D
 
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