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Atlas / NTSB / SEA86LA168

NTSB CAROL · Event

Event SEA86LA168

1986-07-13 CHEHALIS, Washington, United States None 1 aircraft Status: Completed

Aircraft involved

Factual narrative

DURING AN AERIAL APPLICATIONS MANEUVER, A COMPLETE LOSS OF POWER OCCURRED. THE POWER LOSS WAS CAUSED BY FAILURE OF THE CONNECTING ROD BOLT. THE ACFT WAS TOO LOW FOR AUTOROTATION AND THE AIRCRAFT STRUCK THE GROUND TAIL LOW. THE MAIN ROTOR BLADE THEN STRUCK THE TAIL BOOM. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1986_SEA86LA168.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.