NTSB Identification: SEA82DA057
14 CFR Part 133: Rotorcraft Ext. Load
Accident occurred Friday, April 23, 1982 in CHRISTMAS VALLE, OR
Probable Cause Approval Date: 04/23/1983
Aircraft: HILLER-SOLOY 12E, registration: N62377
Injuries: 1 Serious,1 Uninjured.

THE HELICOPTER WAS BEING USED TO STRING A TRANSMISSION LINE. A ROPE (ATTACH LINE) WAS USED TO CONNECT THE HELICOPTER TO THE TRANSMISSION LINE. THE ROPE BECAME DETACHED AND THE PILOT LANDED TO HAVE IT REATTACHED. A MAN, INVOLVED IN THE GROUND OPERATIONS, APPROACHED THE HELICOPTER WHILE PULLING THE ROPE WIHT HIS RIGHT HAND. THE OTHER END OF THE ROPE EXTENDED UP TO THE TOP OF A 100 FT TOWER WHERE IT WAS CONNECTED TO THE TRANSMISSION LINE. AS THE ROPE WAS PULLED TOWARD THE HELICOPTER THE CENTER PORTION RAISED OFF THE GROUND AND SUBSEQUENTLY, THE ROPE BECAME ENTANGLED WITH THE MAIN ROTOR BLADES. THE ROPE ATTACH LINE WAS PULLED THROUGH THE MAN'S HAND AT HIGH SPEED. HE WAS HOSPITALIZED UNTIL 4/26/82 WITH INJURIES TO HIS THUMB AND HAND. ONE ROTOR BLADE RECEIVED MINOR DAMAGE.

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

MISCELLANEOUS..INADVERTENT..GROUND PERSONNEL


Contributing Factors

OBJECT


Contributing Factors

INADEQUATE TRAINING..GROUND PERSONNEL

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