Overview
According to a pilot report, a helicopter accident occurred as the aircraft was returning to its helipad after flying in a canyon. The pilot stated that while ascending to the surface, the helicopter's mast contacted and struck a wire.
Sequence of Events
The impact severed the main rotor pitch change tubes, disabling the helicopter. The aircraft subsequently descended vertically from an estimated height of 20 to 30 feet. During the descent, the helicopter sustained extensive structural damage.
Damage
The pilot reported that the left skid was broken, the fuselage was crushed, the tail boom separated from the airframe, and portions of both main rotor blades separated. The damage rendered the helicopter substantially damaged.
No further details regarding the aircraft type, registration, operator, time of day, weather conditions, or injuries were provided in the report.