Bell Helicopter 407
Flight Crew Instrument; Flight Crew Commercial
Flight Crew Last 90 Days 135; Flight Crew Total 980; Flight Crew Type 134
Confusion; Distraction
Aircraft Equipment Problem Critical; Deviation / Discrepancy - Procedural Published Material / Policy; Ground Event / Encounter Loss Of Aircraft Control
Aircraft Aircraft Damaged; Flight Crew Landed in Emergency Condition; Flight Crew Regained Aircraft Control; General Flight Cancelled / Delayed; General Maintenance Action
Aircraft; Human Factors; Procedure
I was conducting flight training with an instructor at ZZZ. The Bell 407 I was operating experienced contact between the main rotor and tail rotor drive shaft. The drive shaft was sheared after the helicopter was on the ground. The tower was notified and the aircraft was subsequently towed to hanger.
While conducting autorotation training in a Bell-407 helicopter at ZZZ; I experienced a main rotor contact with the tail rotor driveshaft. The tail drive shaft sheared while on the ground at low rotor RPM. No injuries were sustained. Tower was notified and the helicopter was towed to a hangar. The FAA examined the helicopter; and the crew are scheduled to speak with the FAA.
Bell 407 Instructor reported rotor blades contacting tail rotor shaft during training.