NTSB Identification: SEA83LA100.
The docket is stored on NTSB microfiche number 20421.
Accident occurred Monday, May 16, 1983 in GRASS VALLEY, OR
Aircraft: PIPER PA-18-150, registration: N7173K
Injuries: 2 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.

THE AIRCRAFT STALLED WHILE THE PILOT WAS ATTEMPTING TO LAND DOWNWIND ON AN UPHILL GRASS STRIP. THE WIND WAS ESTIMATED AT 15 GUSTING TO 20 KTS. THE PILOT STATED THAT ON HIS APPROACH, HE WAS TO THE LEFT OF THE CENTER OF THE LANDING STRIP. HE ATTEMPTED TO CORRECT TO THE RIGHT AND STALLED AT ABOUT 50 FEET AGL. RECOVERY WAS INITIATED, BUT THE LEFT WING STRUCK THE GROUND, SPINNING THE ACFT 180 DEGREES. THE AIRCRAFT SLID ABOUT 50 TO 100 FEET AND CAME TO REST UPRIGHT WITH THE MAIN GEAR COLLAPSED. THE ACCIDENT OCCURRED ABOUT 1 MILE SHORT OF THE AIRSTRIP THRESHOLD.

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

COMPENSATION FOR WIND CONDITIONS..IMPROPER..PILOT IN COMMAND

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

AIRSPEED..INADEQUATE..PILOT IN COMMAND

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

STALL..INADVERTENT..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..TAILWIND


Contributing Factors

WEATHER CONDITION..GUSTS


Contributing Factors

MANEUVER..INITIATED..PILOT IN COMMAND

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