- Date
- September 1, 1968
- Place
- Coolidge, AZ · COOLIDGE, AZ
- Injuries
- 1 fatal
- Damage
- Destroyed
- Phase of flight
- Initial climb
- Aircraft
- N1573Bensen B-8M
- Status
- Completed · report November 14, 1968
- Report
- Brief approved by the director
- Case key
- 108356
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3264 68/9/1 COOLIDGE,ARIZ BENSEN B-8M CR- 1 0 0 NONCOMMERCIAL PRIVATE, AGE 41, 100 TIME - 1315 N1573 PX- 0 0 0 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 10 IN TYPE, DAMAGE-DESTROYED OT- 0 0 0 NOT INSTRUMENT RATED. NAME OF AIRPORT - COOLIDGE-FLORENCE TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: MAIN ROTOR TAKEOFF: INITIAL CLIMB COLLISION WITH GROUND/WATER: UNCONTROLLED IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. MISCELLANEOUS ACTS,CONDITIONS - UNAPPROVED MODIFICATION ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR HEAD ASSEMBLIES MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT REMARKS- DEVIATION MADE FROM BENSEN PLANS.BOLT USED TO ATTACH ROTOR HEAD TO TORQUE TUBE FAILED.
Aircraft
- Registration
- N1573
- Reported as
- Bensen B-8M
- Category
- Gyroplane, amateur-built
- Engine
- reciprocating
- Damage
- Destroyed
- Airport
- Coolidge-Florence
N1573Registration cancelled May 23, 2020 · Smith-Bensen B-8Airframe modelSmith-Bensen B-8Engine modelMcculloch 4318A&E/0-100
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.