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DEN84FU002

1984-03-04 · LIBBY, Montana, United States · Fatal · 1 aircraft · Status: Completed

Airport 559

Aircraft involved

Factual narrative

ACCORDING TO WITNESSES, THE ULTRALIGHT VEHICLE WAS ON AN APCH TO THE ARPT WHEN IT ENTERED A LEFT DESCENDING TURN & CONTINUED THE TURN UNTIL IMPACTING A TREE. ONE WITNESS SAID THE PLT WAS BENT OVER FORWARD. REPORTEDLY, THE PLT MADE NO MOVEMENTS WITH HIS HANDS OR FEET TO AVOID THE TREE OR INCREASE POWER. THE 1ST PERSON TO ARRIVE AT THE ACCIDENT SITE NOTICE VOMIT IN THE PLT'S MOUTH. THE PLT'S WIFE SAID HE HAD AN ULCER THAT WAS GETTING WORSE. A FRIEND REPORTED THAT ON OCCASIONS, WHILE AT WORK, THE PLT HAD TO STOP WORKING & SIT DOWN, THEN DOUBLED UP WITH PAIN. HE HAD BEEN DRINKING MILK REGULARLY & HAD BEEN TAKING A NON-PRESCRIPTION DRUG (MAALOX) TO RELIEVE ULCER DISCOMFORT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1984_DEN84FU002.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.