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Aftermath: Failure to Climb

Gemini Sparkle

Key Takeaways:

  • A Piper Cherokee Lance crashed after takeoff, killing three occupants, with the NTSB determining the probable cause was the pilot's poor judgment regarding takeoff technique, weight/balance, and performance calculation.
  • The article's author systematically refutes the NTSB's conclusions, demonstrating that the aircraft was only slightly overweight, its center of gravity was within limits, and performance data suggested the runway was adequate for takeoff even without flaps.
  • Evidence, including GPS data, indicated the aircraft achieved liftoff speed but then failed to accelerate further or climb adequately, performing as if it had significantly less power than its engine should provide.
  • The author concludes that the NTSB's finding of pilot error is unsupported by the data and suggests an "undetermined" power issue was a more likely, yet unaddressed, factor in the accident.
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Early on June 23 of last year, two men and three teenage boys left Spirit of St. Louis Airport in a Cherokee Lance for some trout fishing at Gaston’s White River Resort, which is located in the Ozarks of northern Arkansas. The 170 nm flight took an hour and a quarter.

Three days later, on June 26, a Friday, they prepared to return. It was muggy and warm, and there was no wind. The group loaded their baggage and gear into the airplane and took off eastward on the 3,200-foot grass runway. A resort guest videotaped the takeoff. About a third of the way down the runway, the pilot lifted the nosewheel from the grass. The Lance continued to accelerate but did not become airborne until the end of the runway. It briefly settled out of sight into a shallow depression and then reappeared. Its nose was high, its flight was unsteady, and it did not climb.

Peter Garrison

Peter Garrison taught himself to use a slide rule and tin snips, built an airplane in his backyard, and flew it to Japan. He began contributing to FLYING in 1968, and he continues to share his columns, ""Technicalities"" and ""Aftermath,"" with FLYING readers.

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