NTSB Identification: ANC87FA095.
The docket is stored on NTSB microfiche number 33757.
Accident occurred Saturday, July 11, 1987 in SHEEP MOUNTAIN, AK
Probable Cause Approval Date: 05/02/1988
Aircraft: PIPER PA-18, registration: N159T
Injuries: 1 Serious,2 Minor.

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 AND HIS TWO PASSENGERS TOOK OFF IN A TWO PLACE PIPER PA-18 FROM A GLACIER AFTER DOING REPAIR WORK ON AN AIRCRAFT THAT HAD CRASHED THERE EARLIER. WEATHER CONDITIONS WERE DETERIORATING AS THEY APPROACHED THEIR DESTINATION AIRSTRIP LOCATED IN A NEARBY MOUNTAIN PASS. THE CEILING WAS ESTIMATED AT 200 FEET AGL, AND VISIBILITY AS BETWEEN 1/2 AND 3 MILES. THE PILOT SAID THAT HE FELT INTIMIDATED BY THE LOW CLOUDS AND RISING TERRAIN SURROUNDING THE AIRSTRIP AND THAT HE INADVERTENTLY STALLED THE AIRCRAFT WHILE TURNING FROM DOWNWIND TO BASE LEG.

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

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

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

JUDGMENT..POOR..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

ALTITUDE..IMPROPER..PILOT IN COMMAND


Contributing Factors

FLIGHT INTO KNOWN ADVERSE WEATHER..CONTINUED..PILOT IN COMMAND


Contributing Factors

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

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