PRATT WHITNEY R985 RADIAL PARTS CATALOG BEAVER USA BEECHCRAFT FLOATPLANE BUSH

Pratt & Whitney "Gas Turbine Engine and its Operation" Manual June 1958

Pratt & Whitney Twin Wasp R-2000 2SD13-G Specific Operation Instructions

Original 1942 Pratt & Whitney Twin Wasp R-1830-C4 Overhaul Manual Supplement

Pratt & Whitney Twin Wasp R-2000-9 and R-2000-9B Parts Manual

Original 1956 Pratt & Whitney Twin Wasp R-2000-9A and R-2000-11 Parts Manual

Original 1966-1979 Pratt Whitney R-1830 Twin Wasp S1C3G Parts Manual

Original Pratt & Whitney Twin Wasp C4 Engine Operator's Handbook