NTSB Identification: ANC83LA076.
The docket is stored on NTSB microfiche number 20382.
Accident occurred Friday, April 29, 1983 in CANTWELL, AK
Aircraft: HUGHES 500D, registration: N58229
Injuries: 3 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 HELICOPTER SKID CONTACTED THE GROUND DURING A HOVERING TURN FOR LANDING AND ROLLED THE HELICOPTER OVER ON ITS RIGHT SIDE. THE PILOT HAD MADE AN APPROACH FOR LANDING TO A 10 FOOT HOVER AND THEN LOST SIGHT OF HIS REFERENCE POINT IN FRESH SNOW PICKED UP BY THE ROTOR SYSTEM. HE TURNED THE ACFT TO GET A NEW REFERENCE POINT. DURING THE TURN, HE STATED THAT HE LOST ALTITUDE AND NOTICED THE ACFT MOVING SIDEWAYS AND REARWARD. THEN BEFORE HE COULD CORRECT IN TIME, HE FELT THE RIGHT SKID MAKE CONTACT WITH SOMETHING AND THE HELICOPTER ROLLED OVER.

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

UNSUITABLE TERRAIN OR TAKEOFF/LANDING/TAXI AREA..NOT OBTAINED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..SNOW


Contributing Factors

TERRAIN CONDITION..SNOW COVERED


Contributing Factors

WEATHER CONDITION..WHITEOUT


Contributing Factors

AIRCRAFT HANDLING..NOT POSSIBLE..PILOT IN COMMAND

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