NTSB Identification: SEA82FYM11
14 CFR Part 133: Rotorcraft Ext. Load
Accident occurred Monday, March 08, 1982 in MOUNT ANGLE, OR
Probable Cause Approval Date: 03/08/1983
Aircraft: HILLER UH-12E, registration: N59366
Injuries: 1 Minor,1 Uninjured.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
THE AIRCRAFT WAS BEING USED ON AN EXTERNAL LOAD OPERATION. ON HIS FOURTH LOAD, THE PILOT WAS TO TRANSPORT A 1190 LB ELECTRIC PUMP AND FAN FROM THE BACK OF A PICKUP TRUCK. WHILE PREPARING TO LIFT THE LOAD, THE PILOT WAS NOT SATISFIED WITH ITS POSITION. HE RELEASED THE EXTERNAL LOAD LINE FROM THE BOTTOM OF THE HELICOPTER, MOVED THE HELICOPTER TO THE RIGHT, AND LANDED NEAR THE PICKUP TRUCK. JUST PRIOR TO LANDING, THE MAIN ROTOR BLADES STRUCK THE LOAD AND KNOCKED IT OUT OF THE TRUCK. THE GROUND HOOKUP PERSON RECEIVED MINOR INJURIES FROM FLYING DEBRIS.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:CLEARANCE..MISJUDGED..PILOT IN COMMAND
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