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Atlas / NTSB / SEA87LA012

NTSB CAROL · Event

Event SEA87LA012

1986-10-12 BOULDER CITY, Nevada, United States Airport · BLD Serious 1 aircraft Status: Completed

Aircraft involved

Factual narrative

THE PLT STATED THAT A DOWNDRAFT WAS ENCOUNTERED AND AN UNDERSHOOT OCCURRED WHILE ON BASE LEG. A HIGH SINK RATE DEVELOPED AND THE PLT DID NOT TAKE CORRECTIVE ACTION SOON ENOUGH. THE ACFT STRUCK THE GROUND, ROLLED A SHORT DISTANCE THROUGH BUSHES, AND ACROSS A TWO FOOT GULLEY BEFORE COMING TO REST. THE PASSENGER STATED THAT THE PLT ENTERED INTO AN INTENTIONAL SPIN WHILE IN THE PRACTICE AREA IN ORDER TO SHOW OFF. HE ALSO STATED THAT THE PLT MADE A RATHER RAPID DESCENT BY THE USE OF SPOILERS THAT EXCEEDED THE LIMITS OF THE VERTICAL SPEED INDICATOR. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1986_SEA87LA012.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.