NTSB Identification: SEA89LA105.
The docket is stored on NTSB microfiche number 40046.
Nonscheduled 14 CFR
Accident occurred Wednesday, June 07, 1989 in SKAGWAY, AK
Probable Cause Approval Date: 08/02/1990
Aircraft: PIPER PA-32-300, registration: N7994F
Injuries: 6 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

WHILE MANEUVERING IN MOUNTAINOUS TERRAIN, THE AIRPLANE BEGAN LOSING ALTITUDE AS IT APPROACHED A PASS. UNABLE TO MAINTAIN ALTITUDE, THE AIRPLANE WAS LANDED ON A SNOW FIELD. THERE WERE NO REPORTED MECHANICAL FAILURES OR MALFUNCTIONS WITH THE AIRPLANE AT THE TIME OF THE ACCIDENT.

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

THE FAILURE OF THE PILOT TO USE PROPER INFLIGHT PLANNING TO IDENTIFY WIND CONDITIONS (DOWNDRAFTS) DURING THE FLIGHT. AS A RESULT, THE PILOT WAS UNABLE TO MAINTAIN ALTITUDE AND THE AIRPLANE COLLIDED WITH MOUNTAINOUS TERRAIN.

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