The PT6A engine by Pratt & Whitney Canada is one of the market’s most reliable and powerful turboprop engines. It is used in a variety of aircraft, from light singles to large turboprops, and is highly regarded for its reliability and performance. The engine has been in production since the mid-1960s and has undergone numerous … Continued

Air Tractor is a leading manufacturer of purpose-built aircraft for agricultural, firefighting and a variety of utility applications. From North, South and Central America, to Australia, Indonesia, and China to Spain, Italy, Croatia and Africa, Air Tractor aircraft can be found in more than 30 countries around the world and are supported by a global … Continued

Though the 1928 Ford Tri-Motor aircraft, also called the “Tin Goose,” is no time machine, the pilot and passengers agreed the 30-minute ride on the first commercial aircraft and mass-produced airliner gets close enough.

The PT6A-140AG engine sets the benchmark for performance and fuel efficiency for the agricultural segment, delivering 15 percent more power and five percent better specific fuel consumption (SFC) than other engines in its class.

These days, most large airplanes have started using turboprops and jet propulsion systems. But the reality is that a radial engine may be a much better option for those who own smaller airplanes or fleets. Understanding why can help you understand why that radial engine – though an old model – could still be the … Continued

“How long did you say the engine sat idle?”  What should be done to an engine to return it to service after it has sat idle for years? Answering that question requires answering several other questions: Was the engine preserved before it was stored? Was it stored in a climate-controlled facility? No? Out in the … Continued

If you are looking at changing aircraft from one PT6A powered aircraft to another or want the PT6A for the first time, view a list of aircraft and the type of PT6A.

Since 1972, Covington Aircraft has been a leader in aircraft engine repair. Join us as we look back over this long and storied history.  

This article originally appeared on the P&WC Airtime Blog. Jim Celentano, Director of Maintenance at Columbia Air Services with 39 years of experience with PT6As tells Airtime what he appreciates most about the engines.

An Airworthiness Directive (A.D.) is a directive issued when the FAA realizes that a perilous condition exists in a product (aircraft engine, airframe, appliance or propeller).  They notify aircraft operators and owners of potentially unsafe conditions requiring special inspections, alterations, or repairs. A Service Bulletin (S.B.) is a notice to an aircraft operator from a … Continued