• Manufactured by: Pratt & Whitney
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The Pratt & Whitney PT6A is a family of turboprop engines used in a wide range of aircraft applications, including fixed-wing aircraft, helicopters, and unmanned aerial vehicles (UAVs). The PT6A is known for its reliability, durability, and cost-effectiveness, making it a popular choice for both commercial and military operators.

The PT6A features a single-stage centrifugal compressor, an annular combustor, and a two-stage axial turbine. The engine is controlled by a full-authority digital engine control (FADEC) system, which provides precise control of engine parameters and ensures optimum performance throughout the operating range.

The PT6A is available in a variety of models, each with different power ratings and performance characteristics. The PT6A-21, PT6A-27, and PT6A-28 are the most common models used in aircraft applications.

The PT6A-21 is the smallest and lightest model in the PT6A family, delivering 550 shaft horsepower (shp). It is often used in smaller aircraft, such as the Cessna Caravan and the Beechcraft King Air.

The PT6A-27 is a more powerful model, delivering 750 shp. It is commonly used in larger aircraft, such as the Dornier Do 228 and the Pilatus PC-12.

The PT6A-28 is the most powerful model in the PT6A family, delivering 900 shp. It is used in a variety of aircraft applications, including the ATR 42 and the Bombardier Q400.

The PT6A is a versatile and reliable engine that has been used in a wide range of aircraft applications for over 50 years. Its proven performance and low operating costs make it a popular choice for both commercial and military operators.


Pratt & Whitney PT6A PTA-21 PTA-27 PTA-28 Turboprop Gas Turbine Engine & Parts Service Repair Workshop Manual Download Pdf

Complete Factory Service Repair Workshop Manual. No Extra fees, No Expiry dates. 

Service Repair Workshop Manual, available for instant download to your computer tablet or smart phone. 

This Professional Manual covers all repairs, servicing and troubleshooting procedures. It is very detailed and contains hundreds of pages with detailed photos & diagrams. 

This is the same type of manual used by professional Mechanics and Technicians containing step by step instructions & highly detailed exploded diagrams & pictures to show you how to complete every job correctly. 



Q. Can I print out a page? 
A. Yes you can print out a single page or the entire manual, its your choice. 

Q. Can I use this Manual on more than one computer? 
A. Yes, this Manual can be used on as many computers as required. 

Q. Is this a trial or a limited version? 
A. No, this is the FULL Manual without any limitations or trial periods and can be used for life. 

Q, Will this Manual expire in 12 months or will I have to pay a renewal fee? 
A. NO, Absolutely not! You can continue to use this Manual for life without the need to renew or pay any extra. 

Q. Will this PDF Manual work on Windows & MAC computers? 
A. Yes, it is fully compatible with all Windows & All MAC Computers. 



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