NTSB Identification: ANC83FA022
14 CFR Part 91: General Aviation
Accident occurred Monday, December 06, 1982 in CHUGIAK, AK
Probable Cause Approval Date: 12/06/1983
Aircraft: ENSTROM F-28A, registration: N9607
Injuries: 1 Minor,2 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE AIRCRAFT COLLIDED WITH GROUND AND ROLLED WHILE THE PILOT WAS HOVER TAXIING DOWNWIND. THE WINDS WERE DESCRIBED AS 15 KTS TO GUSTS AS HIGH AS 45 KTS. THE ENSTROM CHIEF ENGINEER REPORTED THAT A DOWNWIND HOVER TENDS TO DECAY THE MAIN ROTOR RPM DUE TO EXCESSIVE USE OF TAILROTOR PEDAL, ESPECIALLY AT HIGH GROSS WEIGHTS. THIS AIRCRAFT WAS NEAR ITS MAXIMUM GROSS WEIGHT.

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

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

WEATHER CONDITION..TAILWIND


Contributing Factors

WEATHER CONDITION..GUSTS

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