Covington Aircraft

(www.covingtonaircraft.com) - (918) 756-8320 - specializes in the aircraft engine overhaul and maintenance of the Pratt & Whitney R-985 and R-1340 radial engines and the Pratt & Whitney Canada PT6A engine series.

What makes the PT6A so reliable? ✈️It comes down to smart engineering that’s stood the test of time.✔️ Free-turbine desi...
01/13/2026

What makes the PT6A so reliable? ✈️

It comes down to smart engineering that’s stood the test of time.

✔️ Free-turbine design – isolates the prop from the gas generator, reducing stress and improving durability
✔️ Reverse-flow airflow – better cooling, easier maintenance access, and a more compact, efficient layout
✔️ Decades of proven performance – millions of flight hours across every corner of the globe

Designed by Pratt & Whitney Canada, the PT6A isn’t just an engine, it’s an aviation benchmark.

Picture this: climbing out at 4,000+ fpm, passing airliners on the way up – in a plane you assembled in your hangar. Tha...
10/20/2025

Picture this: climbing out at 4,000+ fpm, passing airliners on the way up – in a plane you assembled in your hangar. That’s the magic of a PT6A-135A in the Lancair Evolution. It’s turning heads at every fly-in, and showing what the combo of innovation and turboprop brawn can do.

We’re LIVE at NBAA -BACE Las Vegas! ✈️Swing by Booth 3877 to see our PT6A-65 cutaway, talk overhauls, maintenance, parts...
10/14/2025

We’re LIVE at NBAA -BACE Las Vegas! ✈️

Swing by Booth 3877 to see our PT6A-65 cutaway, talk overhauls, maintenance, parts & rentals, and meet the Covington team.

Family-owned. Factory-authorized. PT6A focused.

See you on the floor!

NBAA-BACE  Las Vegas is almost here! We’re bringing our   expertise—and our passion for aviation—to the show floor. Swin...
10/08/2025

NBAA-BACE Las Vegas is almost here! We’re bringing our expertise—and our passion for aviation—to the show floor.

Swing by Booth 3877 to meet the team, talk engine support from inspections to overhauls, and say hello. We believe in the power of fun and community—Vegas brings the fun; we’ll bring the community. See you there!

Maintenance crews appreciate the PT6A’s modular design. Swap a hot section in the field? No problem. That means minimal ...
09/24/2025

Maintenance crews appreciate the PT6A’s modular design. Swap a hot section in the field? No problem. That means minimal downtime for the AT-402 fleet during the critical crop season. More uptime = more acres treated and healthier crops worldwide. The little engine that could… and does!

The Beechcraft King Air F90 (the funky one with the T-tail!) gets even funkier with a PT6A-135A retrofit. StandardAero’s...
09/11/2025

The Beechcraft King Air F90 (the funky one with the T-tail!) gets even funkier with a PT6A-135A retrofit. StandardAero’s upgrade brings the F90’s performance closer to its bigger B200 brother. Owners report better climb and “set-it-and-forget-it” engine temps, even on hot days. That’s the PT6A magic.

Behold the Frakes “Turbo Cat” 🐱 – a Grumman Ag Cat biplane retrofitted with a PT6A turboprop. The A/B/C models of this c...
09/09/2025

Behold the Frakes “Turbo Cat” 🐱 – a Grumman Ag Cat biplane retrofitted with a PT6A turboprop.

The A/B/C models of this conversion took a classic and made it a legend. With around 680 shp on tap (PT6A-15AG), the Turbo Cat leaps off crop fields and can turn on a dime over the orchards. Vintage looks, modern muscle!

Featured image info:

Turbo Ag Cat spray plane. N6693K. Western spruce budworm control project. Mt. Hood National Forest, Oregon.

Photo by and courtesy of: William M. Ciesla

Date: 1988

Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection.

Collection: William M. Ciesla collection; Fort Collins, Colorado.

In the latest FAA STC, the Autothrottle is certified for King Air 300 aircraft equipped with four-blade propellers and P...
09/04/2025

In the latest FAA STC, the Autothrottle is certified for King Air 300 aircraft equipped with four-blade propellers and Pratt & Whitney PT6-60A engines.

Garmin's Autothrottle and Autoland for King Air 300-series turboprops are a big boost in utility.

The LET L-410 has a bit of a cult following – pilots appreciate its straightforward systems and rugged construction. Tha...
08/20/2025

The LET L-410 has a bit of a cult following – pilots appreciate its straightforward systems and rugged construction. Thanks to the PT6A’s strong performance, even on one engine it can maintain altitude with a moderate load, enhancing safety in harsh operating areas. It’s the definition of no-frills, get-it-done air transport.

A fun memory for many: the PC-6 was featured in a James Bond movie (GoldenEye’s opening jump scene); yes, that was a PT6...
08/08/2025

A fun memory for many: the PC-6 was featured in a James Bond movie (GoldenEye’s opening jump scene); yes, that was a PT6A-powered Porter diving out of a canyon!

Hollywood aside, in real life it’s saved countless lives by reaching remote villages and rescue sites.
The PT6A-27 gives it the brawn and the Pilatus design gives it the brains.

Early morning, you might spot an AT-402 skimming just above the crops. With that PT6A engine humming steadily, it can pr...
08/06/2025

Early morning, you might spot an AT-402 skimming just above the crops.

With that PT6A engine humming steadily, it can precisely swoop in to zap pests and weeds.

The plane’s rugged build handles rough strips and long workdays, a farm workhorse through and through. It’s not just an airplane; it’s a key tool helping farmers boost their yields safely and efficiently. 🌾✈️

🎆 Tonight’s the night!Join Covington Aircraft at AirVenture Oshkosh for “The Power of the Night Sky," our spectacular fi...
07/23/2025

🎆 Tonight’s the night!
Join Covington Aircraft at AirVenture Oshkosh for “The Power of the Night Sky," our spectacular fireworks show, lighting up the Wednesday night airshow on July 23. There’s no better way to celebrate the spirit of aviation than under a sky filled with colour and pyrotechnics!

Swing by our booths ( #261 and #286– #288) before the show to meet the team and see our PT6A exhibits. We’re excited to share this unforgettable evening with you—see you at dusk! ✈️🎇

Address

12900 Smith Road
Okmulgee, OK
74447

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