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NTSB Report
March 6, 1990 · Cessna 208A · N812FE
Wright, WY
Overview
Report Status
Probable Cause
Event Type
Incident
Date
March 6, 1990
Injury Outcomes
No injuries (2 uninjured)
Location
Wright, WY
Aircraft
Cessna 208A
Tail Number
N812FE
Operator
Corporate Air
Injuries
None
NTSB Number
DEN90IA072
WHILE IN CLIMB TO CRUISE THE ENGINE FAILED AND THE PILOT CONDUCTED AN EMERGENCY DESCENT TO A SUCCESSFUL LANDING ON A HIGHWAY. THE AIRCRAFT SUSTAINED NO DAMAGE AS A RESULT OF THE LANDING AND DAMAGE WAS LIMITED TO THE INTERNAL PORTIONS OF THE ENGINE. INVESTIGATION REVEALED THE ENGINE FAILED DUE TO STRESS RUPTURE OF GAS PRODUCER TURBINE DISC BLADES. THIS FAILURE IS DUE TO ENGINE OVERHEAT. WHEN THE OVERHEAT OCCURRED COULD NOT BE DETERMINED.
NTSB Probable Cause
THE INCIDENT WAS ENGINE FAILURE DUE TO GAS PRODUCER TURBINE DISC BLADE FAILURE CAUSED BY STRESS RUPTURE.
Full Narrative
WHILE IN CLIMB TO CRUISE THE ENGINE FAILED AND THE PILOT CONDUCTED AN EMERGENCY DESCENT TO A SUCCESSFUL LANDING ON A HIGHWAY. THE AIRCRAFT SUSTAINED NO DAMAGE AS A RESULT OF THE LANDING AND DAMAGE WAS LIMITED TO THE INTERNAL PORTIONS OF THE ENGINE. INVESTIGATION REVEALED THE ENGINE FAILED DUE TO STRESS RUPTURE OF GAS PRODUCER TURBINE DISC BLADES. THIS FAILURE IS DUE TO ENGINE OVERHEAT. WHEN THE OVERHEAT OCCURRED COULD NOT BE DETERMINED.
Flight
Event TypeIncident
Event Time19:00 MST
Nearest Airport0nm N
Runway0
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 208A
Tail NumberN812FE
Aircraft CategoryAir
OperatorCorporate Air
Operating RulePart 135
Engines1
Engine TypeTurboprop
Engine DetailsP&W · PT6A-114 · Turboprop · 600
Seats2
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 36 · First Class
Conditions
ConditionsVMC
LightDark Night
Wind20° @ 4 kt
Visibility30 sm
CeilingOvercast 3800 ft
Temperature / Dew Point39 C / 0 C
Altimeter29.00 inHg
Observation Time01:51
Weather SourceWFAC