NTSB Identification: DEN86FA223.
The docket is stored on NTSB microfiche number 31818.
Accident occurred Saturday, August 09, 1986 in TEN SLEEP, WY
Aircraft: CESSNA 172, registration: N4016F
Injuries: 1 Fatal,1 Serious.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
THE PLT BECAME LOST/DISORIENTED AND INADVERTENTLY ENTERED THE NARROW CANYON IN A MOUNTAIN PASS. HE ATTEMPTED TO LAND ON A PUBLIC HIGHWAY AT 7,500 FEET MSL WHEN IT BECAME APPARENT THE ACFT WOULD NOT CLIMB FAST ENOUGH TO CLEAR RAPIDLY RISING TERRAIN AND THAT IT WAS NOT POSSIBLE TO REVERSE COURSE IN THE NARROW PASS. ON SHORT FINAL THE PLT OBSERVED VEHICULAR TRAFFIC APPROACH FROM AROUND A SWITCHBACK CURVE AND VEERED OFF THE HIGHWAY WHERE THE ACFT IMPACTED STEEP, ROCKY TERRAIN.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:BECAME LOST/DISORIENTED..INADVERTENT..PILOT IN COMMAND
PROPER CLIMB RATE..NOT POSSIBLE..PILOT IN COMMAND
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