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NTSB Report
August 4, 1992 · Piper PA-32R-300 · N7091C
Farmington, UT
Overview
Report Status
Probable Cause
Event Type
Accident
Date
August 4, 1992
Injury Outcomes
5 injuries (5 minor injuries)
Location
Farmington, UT
Aircraft
Piper PA-32R-300
Tail Number
N7091C
Operator
University Research Found
Injuries
Minor
Aircraft Damage
Destroyed
NTSB Number
SEA92LA173
THE PILOT OF THE PA-32R-300 ELECTED TO TURN INTO A BOX CANYON DURING HIS EN ROUTE CLIMB TO CRUISE. AT THE TIME HE TURNED INTO THE CANYON, THE PILOT FELT THAT THE RATE OF CLIMB WOULD ASSURE CLEARANCE OF THE RIDGE AT THE END OF THE CANYON. AFTER ENTERING THE CANYON THE AIRCRAFT ENCOUNTERED AN AREA OF DOWNDRAFTS. THE DESCENDING AIR REDUCED THE RATE OF CLIMB TO AN EXTENT THAT WOULD NOT ALLOW THE AIRCRAFT TO OUTCLIMB THE RISING TERRAIN. BY THIS TIME THE PILOT FELT THAT, BECAUSE OF THE NARROWNESS OF THE CANYON, HE COULD NOT SUCCESSFULLY REVERSE COURSE. HE THEREFORE ELECTED TO CONTINUE UP THE CANYON, WHERE HE EVENTUALLY FLEW THE AIRCRAFT THROUGH A CONTROLLED IMPACT WITH THE TERRAIN.
NTSB Probable Cause
THE PILOT'S POOR INFLIGHT DECISION. FACTORS INCLUDE DOWNDRAFTS AND A BOX CANYON.
Full Narrative
THE PILOT OF THE PA-32R-300 ELECTED TO TURN INTO A BOX CANYON DURING HIS EN ROUTE CLIMB TO CRUISE. AT THE TIME HE TURNED INTO THE CANYON, THE PILOT FELT THAT THE RATE OF CLIMB WOULD ASSURE CLEARANCE OF THE RIDGE AT THE END OF THE CANYON. AFTER ENTERING THE CANYON THE AIRCRAFT ENCOUNTERED AN AREA OF DOWNDRAFTS. THE DESCENDING AIR REDUCED THE RATE OF CLIMB TO AN EXTENT THAT WOULD NOT ALLOW THE AIRCRAFT TO OUTCLIMB THE RISING TERRAIN. BY THIS TIME THE PILOT FELT THAT, BECAUSE OF THE NARROWNESS OF THE CANYON, HE COULD NOT SUCCESSFULLY REVERSE COURSE. HE THEREFORE ELECTED TO CONTINUE UP THE CANYON, WHERE HE EVENTUALLY FLEW THE AIRCRAFT THROUGH A CONTROLLED IMPACT WITH THE TERRAIN.
Flight
Event TypeAccident
Event Time07:00 MDT
Nearest Airport0nm N
Runway0
Flight Plan FiledIFR
Aircraft FireGrd
Aircraft ExplosionNo
Aircraft
AircraftPiper PA-32R-300
Tail NumberN7091C
Aircraft CategoryAir
DamageDestroyed
OperatorUniversity Research Found
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · IO-540-K1A5D · Reciprocating · 300
Seats6
People & Injuries
Injury Summary5 injuries (5 minor injuries)
Fatal0
Serious0
Minor5
Uninjured0
Total5
Crew 1Age 36 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind180° @ 4 kt
Visibility30 sm
CeilingNone
Temperature / Dew Point50
Altimeter30.00 inHg
Weather SourcePILO