Colorado Aviation Accidents & Incidents

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

December 16, 2025 · NTSB CEN26LA067 · MARK O TREIDEL American Ranger AR-1 (N529MW)
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 — always consult the NTSB Aviation Query for the authoritative record.

NTSB Narrative

The pilot’s failure to attain rotor RPM and maintain proper rotor disc angle during takeoff which resulted in a rotor strike with the rudder.

Case Study & Lessons Learned

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NTSB Findings

  • Aircraft-Aircraft oper/perf/capability-Performance/control parameters-(general)-Not attained/maintained

Details

NTSB ReportCEN26LA067
AircraftMARK O TREIDEL American Ranger AR-1
RegistrationN529MW
DamageSUBS
FAR Part091
Location39.7842, -104.5376
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