Skip to content

Atlas / NTSB / SEA84FA058

NTSB CAROL · Event

Event SEA84FA058

1984-02-19 MOUNTAINDALE, Oregon, United States Airport · HIO Fatal 1 aircraft Status: Completed

Aircraft involved

Factual narrative

THE ACFT CRASHED DURING AN INSTRUMENT APPROACH TO HILLSBORO AIRPORT. WITNESSES REPORTED SEEING THE ACFT BELOW A VERY LOW OVERCAST SKY CONDITION PRIOR TO IMPACT. EXAMINATION OF THE WRECKAGE REVEALED THAT THE STABILATOR FAILED IN OVERLOAD BEFORE THE POINT OF MAIN IMPACT. ANALYSIS OF RADAR DATA PRESENTED A PICTURE OF CHANGING ACFT SPEED AND DESCENT RATES BEFORE THE ACFT CRASHED INTO HILLY TERRAIN. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1984_SEA84FA058.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.