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A Harmless Prank

A long-ago incident nearly takes down an American Airlines Douglas DC-4.

[Credit: Public Domain]
Gemini Sparkle

Key Takeaways:

  • An American Airlines DC-4 experienced a near-catastrophic incident when Captain Sisto covertly engaged the elevator gust lock as a "test" or "prank" on Captain Beck during a familiarization flight.
  • This action, combined with nose-down trim applied while the lock was engaged, caused the aircraft to violently pitch down, perform a half outside loop, and fly inverted at low altitude.
  • Captain Logan, secured by his seatbelt, skillfully recovered the aircraft, unfeathered accidentally activated propellers, and landed safely in El Paso with only minor injuries to passengers and crew.
  • The investigation found Captain Sisto responsible for the deliberate and unsafe act, leading to the revocation of his commercial pilot certificate.
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American Airlines Flight 311 departed New York on the evening of October 7, 1947, bound for Dallas and Los Angeles. Three pilots, all qualified captains, were aboard. The airplane was a Douglas DC-4 Skymaster, military designation C-54, the first of the series of four-radial-engine Douglas transports that ended with the DC-7. With a wingspan of 117 feet and room for as many as 80 passengers, it was a big airplane for its time. Unlike later models, however, it was not pressurized.

This Article First Appeared in FLYING Magazine

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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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