- Date
- October 10, 1967
- Place
- Yukon, OK · YUKON, OK
- Injuries
- 1 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N9171Bensen B8M
- Status
- Completed · report January 30, 1968
- Report
- Brief approved by the director
- Case key
- 113526
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 2-0876 67/10/10 YUKON,OKLA BENSEN B8M CR- 1 0 0 NONCOMMERCIAL COMMERCIAL, AGE 38, 3993 TIME - 1705 N9171 PX- 0 0 0 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 4 IN TYPE, DAMAGE-DESTROYED OT- 0 0 0 NOT INSTRUMENT RATED. NAME OF AIRPORT - CIMMARRON TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: MAIN ROTOR IN FLIGHT: OTHER COLLISION WITH GROUND/WATER: UNCONTROLLED IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR HEAD ASSEMBLIES MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT REMARKS- OFFSET GIMBAL CONTROL HEAD ALUMINUM TORQUE TUBE,6063 T-5,FAILED.LOCAL FLIGHT AROUND AIRFIELD.
Aircraft
- Registration
- N9171
- Reported as
- Bensen B8M
- Category
- Gyroplane, amateur-built
- Engine
- reciprocating
- Damage
- Destroyed
- Airport
- Cimmarron
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.