NTSB Identification: NYC04WA222
Accident occurred Monday, June 14, 2004 in Alice Springs, Australia
Aircraft: Bell 206B, registration:
Injuries: 5 Uninjured.

This is preliminary information, subject to change, and may contain errors. The foreign authority was the source of this information.

On June 14, 2004, about 0730 coordinated universal time, a Bell 206B, Australian registry VH-PHF, landed near Alice Springs, Australia, without incident after a loss of power to the drive train. The Australian-certificated pilot, flight medic, and three patients were not injured. Visual meteorological conditions prevailed for the medical evacuation flight that originated from a remote location destined for a hospital in Alice Springs.

According to the Australian Government, the helicopter was cruising at 80 knots and 500 feet agl, when the pilot felt a vibration develop, heard a "loud bang," and experienced a drop in main rotor torque. The pilot immediately entered an autorotation, declared an emergency with air traffic control, and completed a successful forced landing. Examination of the wreckage revealed that the "Kaflex driveshaft between the engine free-wheeling unit and the main transmission had failed."

This investigation is under the jurisdiction of the Government of Australia. Additional information may be obtained from:

Bureau of Air Safety Investigation
P.O. Box 967, Civic Square
Canberra A.C.T. 2608
Australia

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