Covington Engines Keeps Status as P&WC Overhaul Facility

Covington will continue to service P&WC’s PT6A turbine engines under the renewed Designated Overhaul Facility certification.

Covington Aircraft Engines, based in Okmulgee, Oklahoma, has announced that it has been granted a certification renewal by Pratt & Whitney Canada (P&WC) as a Designated Overhaul Facility (DOF). This designation gives Covington the authorization to perform maintenance, parts support, and warranty work on the P&WC PT6A turbine engine. 

The versatile P&WC PT6 turbine engine, which Pratt & Whitney developed between 1958-64, has several model variations in service today with more than 128 applications. The PT6A engine powers airplanes including the de Havilland Canada DHC-6 Twin Otter, the Pilatus PC-12, Cessna 208 Caravans, the Beech T-6 Texan II, and Beechcraft King Airs and Super King Airs, among others. Related variations of the PT6 engine power a number of helicopters, boats, and land vehicles. 

“We’re certainly very proud of our DOF designation,” said Aaron Abbott, president of Covington Aircraft Engines. “Today marks the third renewal of our agreement with Pratt & Whitney Canada, and we simply could not ask for a better collaborator,” he continued. 

Covington, which celebrates its 50th year in business in 2023, is the only U.S.-owned and operated DOF for P&WC. The company also has a facility in Brazil and is making plans to add another in the United Kingdom. 

In addition to the PT6A, Covington services P&WC R-985 and R-1340 radial engines. The company boasts rapid response mobile repair teams capable of responding to any PTA6A customer worldwide within 24 hours. 

“Covington’s depth of knowledge, capabilities and strong family values are unique in our industry – and we have had a very harmonious relationship ever since our first agreement with the company was signed close to thirty years ago” said Irene Makris, Vice President, Customer Service at Pratt & Whitney Canada. Renewing our agreement together not only continues a great relationship and success together – but gives all of us a sense of pride and accomplishment – especially on the occasion of Covington’s 50th Anniversary year.”


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