- Date
- May 18, 1975
- Place
- Bartlesville, OK · BARTLESVILLE, OK
- Injuries
- 1 minor
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N4355Bensen B-8M
- Status
- Completed · report June 20, 1975
- Report
- Brief approved by the director
- FAA report
- 19750518012619A
- Case key
- 148396
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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 ---------------------------------------------------------------------------------------------------------------------------- 3-1160 75/5/18 BARTLESVILLE,OK BENSEN B-8M CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 49, 97 TOTAL TIME - 1700 N4355 PX- 0 0 0 PLEASURE/PERSONAL TRANSP HOURS, 11 IN TYPE, NOT DAMAGE-SUBSTANTIAL OT- 0 0 0 INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION BARTLESVILLE,OK LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- FWD CRANKSHAFT CUP PLUG DISLODGED,CAUSED INTERNAL DMG TO ENG.
Aircraft
- Registration
- N4355
- Reported as
- Bensen B-8M
- Category
- Gyroplane
- Engine
- reciprocating
- Damage
- Substantial damage
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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N4355 · 2
Matched to the same aircraft by N-number and date.