NTSB Identification: IAD05LA135.
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Accident occurred Tuesday, September 13, 2005 in Linden, NJ
Probable Cause Approval Date: 04/25/2006
Aircraft: Sikorsky S-76B, registration: N14CS
Injuries: 1 Serious,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 was taxied to the fixed fuel pump, and engine power was reduced to idle. As the main rotor continued to turn, a lineman approached the helicopter from the 11 o'clock position. He initially bent down as he proceeded toward the helicopter, but suddenly stood upright, and was struck by the helicopter's rotor. The fueling operator conducted no formal training of lineman, and what "on-the-job training" was conducted, was not documented. On the lineman's application for employment he stated that he had previous experience operating in a military aviation environment. According to the accident helicopter's flight manual, "Some persons may have prior experience with helicopters for which approach from the front is preferred. Approach from the front of an S-76 is not permitted. It is essential that all persons are properly informed regarding the safe approach/departure angles of the S-76."

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

The lineman's failure to maintain adequate clearance from the main rotor system. A factor was his lack of familiarity with the accident helicopter make and model.

Full narrative available

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