NTSB CAROL · Event
Event SEA90FA074
Aircraft involved
Probable cause & findings
UNCONTROLLED SPIRALLING DESCENT THAT THE PILOT DID NOT ADEQUATELY RECOVER FROM. THE PILOTS LACK OF TOTAL EXPERIENCE IN THIS TYPE OF OPERATION AND THE DARK NIGHT CONDITION ARE A FACTOR.
Factual narrative
DURING A NIGHT CROSS COUNTRY FLIGHT, THE AIRPLANE BEGAN TO CLIMB, THEN SUDDENLY ENTERED A LEFT DESCENDING TURN UNTIL COLLISION WITH THE TERRAIN. THE WEATHER ALONG THE FLIGHT COURSE WAS FORECAST TO HAVE MOUNTAINS OCCASIONALLY OBSCURED WITH CLOUDS AND THE FREEZING LEVEL WAS LOW. DURING THE ON-SCENE INVESTIGATION, THERE WERE NO NOTED MECHANICAL FAILURES OR MALFUNCTIONS WITH THE AIRPLANE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1990_SEA90FA074.txt.
Findings + structured fields enriched from FAA avall.mdb.
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data.ntsb.gov ↗.
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