Erath, LA, USA
N517R
Bell 407
The pilot inadvertently applied full right pedal while the helicopter was in cruise flight, resulting in a left yaw, the baggage compartment door became open, and the main rotor tie down rope exited the helicopter. The departing rope became entangled in the tail rotor system. Subsequently, the pilot lost anti-torque authority and performed an autorotative landing to an open field.
On November 10, 2001, approximately 1515 central standard time, a Bell 407 helicopter, N517R, registered to and operated by Industrial Helicopters Inc., of Lafayette, Louisiana, was substantially damaged while in cruise flight in the vicinity of Erath, Louisiana. The commercial pilot was not injured. Visual meteorological conditions prevailed and a company VFR flight plan was filed for the 14 Code of Federal Regulations Part 91 positioning flight. The flight originated at 1500 from an offshore platform, South Marsh 253. According to the pilot, he inadvertently applied full right pedal while the helicopter was in cruise flight, resulting in a left yaw. The baggage compartment door opened and the main rotor tie down rope to exited the helicopter. The departing rope became entangled in the tail rotor system. Subsequently, the pilot lost anti-torque authority and performed an autorotative landing to an open field.
The pilot's inadvertant application of full right pedal which resulted in the baggage compartment door to open in-flight and a tie down rope to become entangled in the tail rotor drive system, and the failure of the tail rotor drive shaft resulting in the loss of anti-torque control.
Source: NTSB Aviation Accident Database
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