NTSB Identification: ANC89LA033.
The docket is stored on NTSB microfiche number 38258.
Nonscheduled 14 CFR
Accident occurred Thursday, January 12, 1989 in BELL MOUNTAIN, AK
Probable Cause Approval Date: 09/28/1990
Aircraft: HUGHES 500-D, registration: N5074R
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

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.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

THE PILOT'S MISJUDGMENT OF HIS CLEARANCE ABOVE THE TERRAIN DUE TO DISTORTED VISUAL PERCEPTION. CONTRIBUTING TO THE ACCIDENT WAS THE WHITEOUT CONDITION.

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