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NTSB Pinpoints Cause of Fatal Oshkosh T-6 Crash

Final report indicates the 2023 accident was due to an accelerated stall and flat spin as a result of diminished airspeed in a turn.

Devyn Reiley
Devyn Reiley, 30, who held a private pilot certificate with an instrument rating, died along with her passenger in a T-6 crash on the final day of EAA AirVenture in 2023. [Courtesy: Devyn Reiley/Facebook]
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Key Takeaways:

  • The NTSB determined that an inadvertent aerodynamic stall/spin caused the fatal AT-6D Texan crash at EAA AirVenture 2023, killing the pilot and passenger.
  • The accident occurred over Lake Winnebago when the aircraft, during turns, experienced diminished speed and increased load factor, leading to an accelerated stall and unrecoverable flat spin.
  • Pilot Devyn Reiley had 687.8 flight hours, including 33 in the AT-6D, but her one-hour checkout flight for the AT-6D did not specify maneuvers performed.
  • Post-accident investigation found no preimpact mechanical issues with the aircraft, supporting the conclusion that flight dynamics led to the unrecoverable spin.
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The National Transportation Safety Board (NTSB) is citing an inadvertent aerodynamic stall/spin as the cause of the accident resulting in the deaths of the pilot and passenger of an AT-6D Texan during EAA AirVenture 2023.

The accident in Oshkosh, Wisconsin, happened the morning of July 29 over Lake Winnebago.

Meg Godlewski

Meg Godlewski has been an aviation journalist for more than 24 years and a CFI for more than 20 years. If she is not flying or teaching aviation, she is writing about it. Meg is a founding member of the Pilot Proficiency Center at EAA AirVenture and excels at the application of simulation technology to flatten the learning curve. Follow Meg on Twitter @2Lewski.

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