- Date
- September 25, 1981
- Place
- Big Timber, MT · BIG TIMBER, MT
- Injuries
- 1 fatal
- Damage
- Destroyed
- Phase of flight
- Uncontrolled descent
- Aircraft
- N94136Cessna T210L
- Status
- Completed · report May 13, 1982
- Report
- Brief approved by the director
- FAA report
- 19810925063009A
- Case key
- 122724
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3615 81/9/25 BIG TIMBER,MT CESSNA T210L CR- 1 0 0 NONCOMMERCIAL PRIVATE, AGE 40, 3700 TIME - 1830 N94136 PX- 0 0 0 BUSINESS TOTAL HOURS, 500 IN TYPE, DAMAGE-DESTROYED OT- 0 0 0 INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION BOISE,ID BILLINGS,MT TYPE OF ACCIDENT PHASE OF OPERATION AIRFRAME FAILURE: IN FLIGHT IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) POWERPLANT - ENGINE ACCESSORIES: VACUUM PUMPS MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE PILOT IN COMMAND - SPATIAL DISORIENTATION PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT FACTOR(S) WEATHER - RAIN AIRFRAME - WINGS: SPARS MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED SKY CONDITION CEILING AT ACCIDENT SITE OVERCAST 1000 VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) RAIN OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 41 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 220 14 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN IFR IFR REMARKS- VACUUM PUMP'S FLEXIBLE DRIVESHAFT COUPLING FAILED.
Aircraft
- Registration
- N94136
- Reported as
- Cessna T210L
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Destroyed
N94136Registration cancelled May 22, 2013 · Cessna T210LAirframe modelCessna T210LEngine modelContinental TSIO-520 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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.