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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:

  • A commercially rated pilot, largely unfamiliar with his newly purchased experimental biplane, performed a low-altitude, high-energy zoom climb with a passenger.
  • The aircraft stalled at the apex of the steep climb, resulting in an unrecoverable spin and a fatal crash that killed both occupants.
  • The NTSB concluded the crash was due to the pilot's decision to conduct low-altitude aerobatic maneuvers, causing an aerodynamic stall.
  • The article emphasizes that a critical, unmentioned factor was the pilot's profound lack of familiarity with the aircraft's specific flight characteristics, particularly its stall behavior and performance limits.
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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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