It’s now 45 years since an engine was launched that changed the face of global GA and business aviation. Pratt Whitney Canada (PWC) is celebrating the first PT6 engine coming off the production line to power Beechcraft’s then-new King Air 90 turboprop.

“The PT6 engine’s outstanding dependability, versatility and dispatch reliability have made it one of the most enduring engines in aviation history,” says Claude Lachapelle, PWC’s VP, business aviation.

New aerodynamic and material technologies have enabled the engine to gain more power without any significant increase in size while these and other innovations have reduced emissions and increased maintenance intervals. Since its introduction, the PT6 family has accumulated a total of more than 330 million flight hours.

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