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3743 Airport Drive • Denison TX 75020
Tel: 903-786-5050 • Fax: 903-786-5053


24/7 Tech Support Hot Line (903) 647-2114

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Our Conversions

Texas Turbine Conversions is the leader in aircraft power conversions

Super OtterSupervan 900

Texas Turbine Conversions, Inc. has been modifying aircraft with Garrett TPE331(Honeywell) engines since the mid 90's. The company holds STC's for multiple aircraft to include the DeHavilland DHC-3 Otter and the Cessan 208/208B Caravan utilizing the Honeywell engine. We have converted over 40 Otters since 2001 and several Cessna Caravans with the Honeywell TPE331-10 and TPE331-12JR engines and other conversions are currently in progress.

The company is comprised of people with engineering, mechanical, and flying backgrounds. We are very familiar with the following aircraft:

  • Cessna C-172's up to C-208
  • Helio Couriers
  • Pilatus PC-6 Porters
  • DeHavilland DHC-3 Otters, DHC-4 Caribous, DHC-6 Twin Otters
  • Shorts SC-7 Skyvans
  • Douglas DC-3's

TTC, Inc. is easily capable of fulfilling your engine upgrade needs. We have several other conversions planned in the future and your aircraft could be one of them. Just give us a call and we can talk about the engine needs for your particular aircraft.