NTSB CAROL · Event
Event ANC89LA033
Aircraft involved
Probable cause & findings
THE PILOT'S MISJUDGMENT OF HIS CLEARANCE ABOVE THE TERRAIN DUE TO DISTORTED VISUAL PERCEPTION. CONTRIBUTING TO THE ACCIDENT WAS THE WHITEOUT CONDITION.
Factual narrative
THE PILOT ENCOUNTERED A COMPLETE WHITEOUT CONDITION DURING THE APPROACH AND HOVER ON A MOUNTAIN. THE PILOT STATED THAT AFTER TOUCHDOWN THE HELICOPTER ROLLED OVER ON ITS RIGHT SIDE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1989_ANC89LA033.txt.
Findings + structured fields enriched from FAA avall.mdb.
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