SEA92LA221
1992-06-06 · SPANGLE, Washington, United States · None · 1 aircraft · Status: Completed
Aircraft involved
Probable cause & findings
ALTITUDE WAS NOT ATTAINED. A FACTOR TO THE ACCIDENT WAS: LOAD JETTISON WAS NOT POSSIBLE.
Factual narrative
AT THE BEGINNING OF AN AERIAL APPLICATION FLIGHT, THE OWNER OF THE AIRPLANE REPORTED THAT THE AIRPLANE WAS LOADED WITH APPROX 300 GALLONS OF CHEMICAL. AFTER THE AIRPLANE LIFTED OFF OF THE GRAVEL RUNWAY, THE AIRPLANE WOULD NOT GAIN ALTITUDE. THE PILOT FLEW THE AIRPLANE IN GROUND EFFECT OVER A DITCH AT THE END OF THE RUNWAY AND CONTINUED FOR A FORCED LANDING TO AN OPEN FIELD. THE PILOT ATTEMPTED TO JETTISON THE LOAD; HOWEVER, DUE TO A CLOGGED NOZZLE, THE LOAD COULD NOT BE DUMPED. DURING THE LANDING ROLL, THE AIRPLANE COLLIDED WITH THE ROUGH TERRAIN. THE OWNER HAD THE ENGINE INSPECTED AND REPORTED THAT THERE WAS NO EVIDENCE OF A MECHANICAL FAILURE OR MALFUNCTION. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1992_SEA92LA221.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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