NTSB Identification: SEA88LA123.
The docket is stored on NTSB microfiche number 36311.
Accident occurred Tuesday, July 05, 1988 in JOSEPH, OR
Probable Cause Approval Date: 04/14/1989
Aircraft: KAMAN HH43, registration: N55714
Injuries: 1 Serious.

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 WAS MAKING THE INITIAL LONG LINE EXTERNAL LOAD HOOKUP OF THE DAY FOR THE PURPOSE OF CONDUCTING LOGGING OPERATIONS. THE PILOT STATED THAT AS HE MANEUVERED THE AIRCRAFT INTO POSITION THE HELICOPTER'S MAIN ROTOR SYSTEM CONTACTED A TALL TREE.

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

CLEARANCE..MISJUDGED..PILOT IN COMMAND


Contributing Factors

OBJECT..TREE(S)

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