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NTSB Releases Final Report on Utah Hawker Accident

Agency cites crew following improper procedures in fatal crash.

Wreckage at the accident site [Credit: NTSB]
Wreckage at the accident site [Credit: NTSB]
Gemini Sparkle

Key Takeaways:

  • The NTSB concluded the fatal Hawker 900XP crash resulted from the flight crew attempting a post-maintenance stall test in known icing conditions, which degraded the wing's critical angle of attack.
  • The crew proceeded with the test despite lacking experience with Hawker stall characteristics and violating operational manual requirements for visual meteorological conditions and no icing.
  • Wing contamination from icing caused the stall to occur immediately with the stick shaker, providing no warning, and the crew's subsequent incorrect recovery actions exacerbated the uncommanded spin.
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The National Transportation Safety Board final report on the fatal crash of a Hawker 900XP over Westwater, Utah, in February notes the crew attempted to perform stall tests in icing conditions, even though they lacked experience performing the tests in the Hawker and were unfamiliar with the stall characteristics, which led to a loss of control and the death of both the pilot and copilot.

According to the report, two AIRMETs were issued about two and a half hours before the accident flight for moderate icing throughout the airplane’s climb and cruise altitude for the stall test. In addition, video showed that the departure airport was surrounded by obscuration and precipitation during takeoff.

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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