Colorado Aviation Accidents & Incidents

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2310 Total Accidents 425 Fatal 816 Fatalities 1982-2026
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Brighton, Colorado

August 15, 2010 · NTSB CEN10CA528 · CLEM WILLIAM B III DOMINATOR GYROCOPTER (N36MR)
Minor/None
Note: This analysis may be based on NTSB preliminary reports, which represent an initial, incomplete investigation. Facts can change as the investigation progresses, and preliminary findings should not be assumed to be accurate or final. For older events, a final NTSB report may have been issued β€” always consult the NTSB Aviation Query for the authoritative record.

NTSB Narrative

The private pilot was preparing to land his gyroplane when he encountered a downdraft, which increased his rate of descent. The pilot was unable to arrest the descent rate and landed hard. As a result, the left main gear axle broke causing the lower rudder strut to contact the ground. The strut bent upwards into the propeller, splintering the propeller and causing substantial damage to approximately 12 inches of the 68-inch-long rudder. The pilot reported that the downdraft was caused by an 80-degree crosswind that blew over houses just to the northeast of the runway threshold. The pilot did not report any mechanical deficiencies with the gyroplane prior to the accident. The pilot's failure to maintain control of the gyroplane during landing.

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NTSB Findings

  • Personnel issues-Action/decision-Info processing/decision-Decision making/judgment-Pilot - C
  • Personnel issues-Action/decision-Action-Incorrect action performance-Pilot - C
  • Environmental issues-Conditions/weather/phenomena-Wind-Downdraft-Ability to respond/compensate

Details

NTSB ReportCEN10CA528
AircraftCLEM WILLIAM B III DOMINATOR GYROCOPTER
RegistrationN36MR
DamageSUBS
FAR Part091
Location39.9764, -104.7028
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