NTSB Identification: SEA93LA101.
The docket is stored on NTSB microfiche number 50477.
Accident occurred Saturday, April 24, 1993 in FOREST GROVE, OR
Probable Cause Approval Date: 02/10/1994
Aircraft: PIPER PA-25-235, registration: N9637P
Injuries: 1 Serious.

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

THE PILOT IN COMMAND ATTEMPTED A NORTHERLY TAKEOFF ON A GRASS STRIP THAT WAS MUDDY AND WET. WINDS DURING THE AFTERNOON WERE SOUTHWESTERLY WITH SPEEDS IN THE TEENS. THE PILOT REPORTED THAT IT TOOK LONGER THAN USUAL TO BECOME AIRBORNE AND THAT THE AIRCRAFT WOULD NOT FLY OUT OF GROUND EFFECT. SHORTLY THEREAFTER THE AIRCRAFT COLLIDED WITH TREES AND A TELEPHONE LINE.

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

THE PILOT IN COMMAND'S INADEQUATE PREFLIGHT PLANNING. FACTORS CONTRIBUTING TO THE ACCIDENT WERE THE WET TERRAIN, TAILWIND, TREES, AND WIRES.

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