NTSB Identification: ANC88LA086.
The docket is stored on NTSB microfiche number 36352.
Nonscheduled 14 CFR
Accident occurred Friday, July 08, 1988 in KITOI BAY, AK
Probable Cause Approval Date: 06/09/1989
Aircraft: HUGHES 369D, registration: N1089D
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 HELICOPTER LANDED WITH THE LEFT SKID AGAINST A SURVEY STAKE WHICH PROTRUDED FROM THE GROUND ABOUT 6 INCHES. UPON LIFTOFF THE SKID DID NOT CLEAR THE METAL STAKE BEFORE THE HELICOPTER STARTED MOVING LATERALLY TO THE LEFT. THE LEFT SKID REMAINED AGAINST THE METAL STAKE AND THE HELICOPTER ROLLED OVER ON TO ITS LEFT SIDE. THE PILOT STATED LATER THAT THE LATERAL TRIM MOTOR HAD FAILED REQUIRING 35 POUNDS OF PRESSURE TO THE RIGHT AGAINST THE CYCLIC WHILE AT A HOVER.

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

PREFLIGHT PLANNING/PREPARATION..POOR..PILOT IN COMMAND

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

CYCLIC..IMPROPER USE OF..PILOT IN COMMAND

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

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..IMPROPER USE OF..PILOT IN COMMAND


Contributing Factors

LIFT-OFF..RESTRICTED

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