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The Danger of Irrational Exuberance

"In just about every sense...he and the airplane were strangers to one another." EAA/Jim Koepnick
Gemini Sparkle

Key Takeaways:

  • An experienced pilot fatally crashed a newly acquired experimental biplane during a low-altitude zoom climb, which led to an aerodynamic stall.
  • The NTSB attributed the accident to the pilot's decision to conduct low-altitude aerobatic maneuvers, exceeding the aircraft's critical angle of attack.
  • A crucial contributing factor, highlighted by the author, was the pilot's severe lack of familiarity with the biplane's performance and stall characteristics, having only flown it once briefly.
  • The incident underscores the danger of attempting impressive yet aggressive maneuvers without thoroughly understanding an aircraft's limits or having sufficient altitude for recovery.
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The pilot, 40, was an instrument flight instructor and held a commercial certificate, with airplane single-engine and multiengine land ratings and an instrument rating. He had something over 1,400 hours and made his living giving flight instruction. His logbook displayed the required endorsement for “training stall awareness, spin entry, spins and spin-recovery procedures.” He mostly flew a Cessna 172, but he had recently administered a flight review in a Stearman. I will call him Jack—not his real name.

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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