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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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January 6, 1982 · Beech 35 · N8070Q

Jackson, WY

Overview

Report Status
Preliminary report
Event Type
Accident
Date
January 6, 1982
Injury Outcomes
No injuries (3 uninjured)
Location
Jackson, WY
Aircraft
Beech 35
Tail Number
N8070Q
Operator
Michael W Rudd
Injuries
None
Aircraft Damage
Substantial
NTSB Number
DEN82DA015

THE TEMPERATURE WAS APPROXIMATELY A MINUS 15 DEGREES FAHRENHEIT. THE PILOT REPORTED THE ENGINE WAS PREHEATED FOR 30 MINUTES AND THAT EVERYTHING WAS IN THE GREEN BEFORE TAKEOFF. SHORTLY AFTER TAKEOFF, THE ENGINE BEGAN TO OVERSPEED. THE PILOT THROTTLED BACK AND TURNED BACK TOWARD THE AIRPORT; HOWEVER, THE ENGINE SEIZED. DURING A FORCED LANDING, THE AIRCRAFT STALLED ABOUT 25 FT ABOVE THE RUNWAY DAMAGING THE GEAR AND THE WINGS. EXAMINATION OF THE ENGINE REVEALED A CRACKED CRANKCASE, BUT NO OTHER MECHANICAL FAILURES. THE ENGINE HAD AN ADEQUATE SUPPLY OF OIL, BUT THE VISCOSITY WAS ANALYZED AND FOUND TO BE ABOUT SAE 55. THE STANDARD WINTER PROCEDURE REQUIRED A LOWER VISCOSITY AND/OR AN ADEQUATE ENGINE WARM UP AFTER ENGINE START.

Full Narrative

THE TEMPERATURE WAS APPROXIMATELY A MINUS 15 DEGREES FAHRENHEIT. THE PILOT REPORTED THE ENGINE WAS PREHEATED FOR 30 MINUTES AND THAT EVERYTHING WAS IN THE GREEN BEFORE TAKEOFF. SHORTLY AFTER TAKEOFF, THE ENGINE BEGAN TO OVERSPEED. THE PILOT THROTTLED BACK AND TURNED BACK TOWARD THE AIRPORT; HOWEVER, THE ENGINE SEIZED. DURING A FORCED LANDING, THE AIRCRAFT STALLED ABOUT 25 FT ABOVE THE RUNWAY DAMAGING THE GEAR AND THE WINGS. EXAMINATION OF THE ENGINE REVEALED A CRACKED CRANKCASE, BUT NO OTHER MECHANICAL FAILURES. THE ENGINE HAD AN ADEQUATE SUPPLY OF OIL, BUT THE VISCOSITY WAS ANALYZED AND FOUND TO BE ABOUT SAE 55. THE STANDARD WINTER PROCEDURE REQUIRED A LOWER VISCOSITY AND/OR AN ADEQUATE ENGINE WARM UP AFTER ENGINE START.

Flight

Event TypeAccident
Event Time09:45 MST
Nearest AirportJackson Hole (0nm N)
Runway36
Runway Length6299 ft
Runway Width150 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftBeech 35
Tail NumberN8070Q
Aircraft CategoryAir
DamageSubstantial
OperatorMichael W Rudd
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · IO-520B · Reciprocating · 285
Seats6

People & Injuries

Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Unknown

Conditions

ConditionsVMC
LightDaylight
WindCalm
CeilingNone
Temperature / Dew Point5 C / 0 C
Altimeter29.00 inHg

Appendix: Source Data