Pratt & Whitney Aircraft Engines

Turbofan Engine Revised 1980

R-2800-27, -31, -43, -51, -71, -75, -79

Revised April 1956

Revised May 1974

R-2800-34,-57,-73,-77,-81,-83,-83A & -85

Revised June 30, 1983

Mar-66

By L.B. Clark (Supervisor) July 1953

Revised July 1969

Revised Nov 1956

Department of Transport Approved Revised June 1971

Commercial Turbojet Engines

22,22W,28,34,34W,34A,34WA,36,40,40W,57,73,77,81,83,85,87,89 & 91