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Atlas / NTSB / SEA83FA178

NTSB CAROL · Event

Event SEA83FA178

1983-08-14 GRANITE FALLS, Washington, United States Airport · WA25 Fatal 1 aircraft Status: Completed

Aircraft involved

Factual narrative

THE ACFT COLLIDED WITH THE GROUND IN A VERTICAL NOSE DOWN ATTITUDE. THE ENGINE WAS IMBEDDED 4 FT INTO THE GROUND. ALL COMPONENTS OF THE ACFT WERE ACCOUNTED FOR IN THE IMMEDIATE AREA OF THE IMPACT. WITNESSES OBSERVED THE ACFT IN A LEFT TURN BEFORE FALLING INTO A LEFT SPIN FOR 3/4 TURN AND STRIKING THE GROUND IN A VERTICAL ATTITUDE. A BURST OF ENGINE POWER WAS HEARD PRIOR TO IMPACT. A LOCAL PILOT WHO HAD FLOWN WITH THE OPERATOR IN THE ACCIDENT ACFT 2 WEEKS PRIOR TO THEMISHAP NOTED THAT THE AIRSPEED WAS READING ABOUT 15 MPH HIGH WITH INCIPIENT STALL CHARACTERISTICS NOTED WHEN AIRSPEED READINGS AS HIGH AS 70 MPH. THE OWNER STATED HE WOULD HAVE THE INSTRUMENT RECALIBRATED. NO EVIDENCE OF THIS WORK BEING DONE WAS FOUND. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1983_SEA83FA178.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (stall). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗