Customers can now access Pratt & Whitney Canada-approved PT6A engine maintenance manuals in July 21, 2020 | Customers, Maintenance, PT6A | 3 min read. Maintenance manual : turboprop gas turbine engine : model(s) PT6A-21/-27/-28 | WorldCat.org. Pratt Whitney CANADA PT6A Turboprop Engine Maintenance Manual AND PARTS CATALOG. Pratt & Whitney PT6A-21 Turboprop Engine Maintenance Manual. $149.10.contained in the appropriate airframe or engine maintenance manuals or other official publications. For information concerning this manual, contact the P&WC Maintenance Manual. for the. Pratt & Whitney. Model PT6A-21-27-28. Turboprop Gas Turbine Engine. Manual Part No. 3013242. Issued: October 1, 1978. General A. This maintenance manual contains the recommended procedures for maintaining PT6A-21/-27/-28 engines manufactured by Pratt Whitney Canada. Personnel Special Tools PW PT6A-21 - LINE MAINTENANCE - Read online for free. Ferramentas PT-6 vol 2. MAINTENANCE MANUAL MANUAL PART NO. 3015442. Rasakti Inc. Pratt & Whitney Aircraft PT6A-21, PT6A-27, PT6A-28 Maintenance Manual (3013242). by Pratt & Whitney Aircraft Engines. Sale. Pratt & Whitney PT6A -21 / -27 / - 28 Aircraft Engines Maintenance Manual ( English Language ) -1978. Price: $28.85. Image 1. Larger / More Photos.