NTSB Identification: SEA90LA103.
The docket is stored on NTSB microfiche number 41431.
Accident occurred Thursday, June 21, 1990 in TEKOA, WA
Probable Cause Approval Date: 12/15/1992
Aircraft: GRUMMAN G-164A, registration: N29SK
Injuries: 1 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.
AT THE END OF AN AERIAL APPLICATION FLIGHT, THE AIRPLANE WAS APPROACHING THE PRIVATE DIRT STRIP WITH A CROSSWIND. THE PILOT HAD THE RIGHT WING LOW TO COMPENSATE FOR THE CROSSWIND. WHEN THE AIRPLANE TOUCHED DOWN, THE LOW RIGHT WING SPRAY BOOM CAUGHT IN THE TALL GRASS NEXT TO THE RUNWAY. THE AIRPLANE SPUN AROUND AND COLLIDED WITH THE TERRAIN IN A NOSE LOW ATTITUDE. THE FUEL TANKS RUPTURED AND THE FUEL IGNITED. THE PILOT REPORTED THAT THERE WERE NO 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: FAILURE OF THE PILOT TO MAINTAIN CLEARANCE BETWEEN THE AIRPLANE AND TALL GRASS ADJACENT TO THE GRAVEL STRIP.
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