- Date
- June 3, 1967
- Place
- Westby, MT · WESTBY, MT
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N8946MBeech 35-B33
- Status
- Completed · report December 6, 1967
- Report
- Brief approved by the director
- Case key
- 116354
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3203 67/6/3 WESTBY,MONT BEECH 35-B33 CR- 0 0 1 NONCOMMERCIAL COMMERCIAL, AGE 55, 4900 TIME - 1550 N8946M PX- 0 0 2 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 550 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: PROPELLER IN FLIGHT: NORMAL CRUISE GEAR COLLAPSED LANDING: ROLL PROBABLE CAUSE(S) POWERPLANT - PROPELLER AND ACCESSORIES: GOVERNORS MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT SUSPECTED MECHANICAL DISCREPANCY REMARKS- PROP GOVERNOR CONTROL ARM CAME OFF GOVERNOR SHAFT.
Aircraft
- Registration
- N8946M
- Reported as
- Beech 35-B33
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
N8946MRegistration cancelled Jul 17, 2013 · Beech 35-B33Airframe modelBeech 35-B33Engine modelContinental I0-470 series
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.
Other investigations on N8946M · 2
Matched to the same aircraft by N-number and date.
NTSB CHI98LA366Accident · No injuriesLimited investigationFinal reportPoint Lookout, MOThe pilot's continued flight with a known deficiency in equipment. Contributing to the accident was the maintenance adjustment that was not completed by the mechanic.NTSB FTW67D0217Accident · No injuriesClosedGuymon, OK