NTSB Identification: SEA87FA152.
The docket is stored on NTSB microfiche number 34829.
Accident occurred Sunday, August 02, 1987 in PAHRUMP, NV
Probable Cause Approval Date: 10/07/1988
Aircraft: CESSNA 172, registration: N8696B
Injuries: 4 Fatal.

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 PILOT ENTERED A BOX CANYON AND ATTEMPTED TO EITHER OUTCLIMB THE TERRAIN OR REVERSE COURSE. THE AIRCRAFT'S AIRSPEED WAS ALLOWED TO DECREASE BELOW VS AND THE AIRCRAFT STALLED. A DENSITY ALTITUDE OF APPROXIMATELY 9500 FEET EXISTED AT THE TIME. INSUFFICIENT ALTITUDE WAS AVAILABLE FOR THE PILOT TO EXECUTE A RECOVERY.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

UNSUITABLE TERRAIN OR TAKEOFF/LANDING/TAXI AREA..ENCOUNTERED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

AIRSPEED(VS)..NOT MAINTAINED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..BLIND/BOX CANYON


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE

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