NTSB Identification: SEA82DA055
Nonscheduled 14 CFR Part 135: Air Taxi & Commuter
Accident occurred Monday, April 19, 1982 in DARRINGTON, WA
Probable Cause Approval Date: 04/19/1983
Aircraft: HUGHES 500C, registration: N9131F
Injuries: 4 Uninjured.

DURING AN APPROACH TO A 9100 FOOT HIGH SNOW COVERED LANDING SITE THE WIND SHIFTED TO A TAILWIND CONDITION. THE PILOT ELECTED TO CONTINUE AND ATTEMPTED A SKID ON LANDING. WHILE SKIDDING THROUGH THE SNOW THE LEFT SKID IMPACTED RISING TERRAIN UNDERNEATH A 12 INCH SNOW PACK. THE LEFT SKID SEPARATED UPWARDS 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..SELECTED..PILOT IN COMMAND

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

ABORTED LANDING..NOT PERFORMED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..SNOW COVERED


Contributing Factors

TERRAIN CONDITION..HIDDEN OBSTRUCTION(S)


Contributing Factors

WEATHER CONDITION..TAILWIND


Contributing Factors

LANDING GEAR,SKI ASSEMBLY..OVERLOAD

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