Probable cause
The loss of gyrocopter control for reasons that could not be determined because postaccident examination of the gyrocopter revealed no mechanical malfunctions or failures that would have precluded normal operation.
NTSB analysis
The sport pilot reported that, while performing maneuvers in the gyrocopter south of the private airstrip, he felt no response when he applied left cyclic, and the gyrocopter "was stuck in a moderate right turn." The pilot initiated an emergency descent back to the private airstrip. During the approach, the pilot was unable to regain control of the gyrocopter, and it impacted terrain while sliding to the right. The gyrocopter rolled over and came to rest on its right side. Postaccident examination of the gyrocopter revealed no evidence of preimpact mechanical malfunctions or failures that would have precluded normal operation.
Text from the NTSB. Open the NTSB docket for CEN18LA219 for the full record.
Event
- Date
- Jun 11, 2018
- Type
- Accident
- Place
- Cokeville, Wyoming
- Highest injury
- None
- Weather
- Visual (VMC)
- Light
- Day
TERCEL
- N-number
- N640BE
- Category
- Gyroplane
- Year built
- 2015
- Damage
- Substantial
- Operating rule
- Part 91 (general aviation)
- Purpose of flight
- Personal
From the NTSB aviation accident database: N-registered aircraft, events since 2008, data through Oct 28, 2026. The file is published monthly, so the latest weeks are incomplete and recent records can change. The official source is the NTSB aviation investigation search. CheckAero is independent and not affiliated with the NTSB.