NTSB Identification: FTW02FA028.
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Accident occurred Saturday, November 03, 2001 in Seagoville, TX
Probable Cause Approval Date: 02/20/2002
Aircraft: Robinson R22, registration: N127RB
Injuries: 1 Fatal,1 Serious.

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 pilot-rated student receiving instruction stated that the objective of the flight lesson was to work on confined area and pinnacle landings. The student stated that he had practiced a number of confined area landings in the local area and along a river. The student added that following his last landing/takeoff, the flight instructor took over flying to give him a break. The flight instructor flew the helicopter north of the last few landing areas to review their lesson. The flight instructor turned the helicopter south and flew along the river instructing the student and commenting on the various landing areas. The student stated that he was looking over his right shoulder at one of the previous landing areas, and looked forward to see wires in front of the helicopter. The student exclaimed, "wires!" and saw the instructor pull up on the collective and left on the cyclic. The helicopter pitched up and rolled to the left; subsequently impacting trees and terrain along the left side of the river. Examination of the accident site revealed that there was a set of three unmarked wires; one which remained hanging across the river, and two others that were laying on the west bank of the river. The helicopter came to rest on its left side among trees approximately 100 yards from the wires. The wire that remained hanging across the river was approximately 40 feet above the river, and was below the tops of the trees along the banks. Examination of the helicopter revealed that the mast cowling displayed two marks and tears perpendicular to the mast.

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

the flight instructor's failure to maintain clearance with wires while maneuvering along a river.

Full narrative available

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