January 23, Compton, Calif. / Thorpe T-18

At 0953 Pacific time, an amateur-built Thorpe T-18 rolled over and landed inverted at Compton/Woodley Airport, killing the pilot. The airplane had been flying for about 40 minutes, making several takeoffs and landings. The pilot of a Robinson helicopter, also in the pattern, said the Thorpe pilot was announcing his intentions on the common frequency. Meanwhile, an EC-135 helicopter called, reporting two miles east of the airport for a straight-in approach to runway 25R. The Robinson pilot said the other helicopter and the Thorpe arrived at the runway at about the same time. The Robinson pilot said he transmitted a warning to the pilots to watch out. When the two aircraft were about 100 fee...

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Key Takeaways:

  • An amateur-built Thorpe T-18 crashed at Compton/Woodley Airport, killing its pilot, after an avoidance maneuver during flight operations.
  • The Thorpe turned right to avoid a close encounter with an EC-135 helicopter, rolling inverted at low altitude (8 feet) and proximity (100 feet apart) near the runway.
  • A Robinson helicopter pilot witnessed the incident, transmitted a warning, and observed the Thorpe pilot announcing intentions on the common frequency.
  • The EC-135 pilot reportedly heard the Robinson's warning but not the Thorpe's transmissions, indicating potential communication discrepancies.
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At 0953 Pacific time, an amateur-built Thorpe T-18 rolled over and landed inverted at Compton/Woodley Airport, killing the pilot. The airplane had been flying for about 40 minutes, making several takeoffs and landings. The pilot of a Robinson helicopter, also in the pattern, said the Thorpe pilot was announcing his intentions on the common frequency. Meanwhile, an EC-135 helicopter called, reporting two miles east of the airport for a straight-in approach to runway 25R. The Robinson pilot said the other helicopter and the Thorpe arrived at the runway at about the same time. The Robinson pilot said he transmitted a warning to the pilots to watch out. When the two aircraft were about 100 feet apart and at a height of about eight feet, the Thorpe turned right to avoid the EC-135, rolling inverted and landing on the canopy. The EC-135 pilot said he heard the Robinsons transmissions but not the Thorpes.

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