The red main rotor blade was also fractured and found near the main rotor hub. The mast nut had separated and was located in the debris field." A report on the probable cause could take up to two ...

He also said the mast — which connects the main rotor hub to the transmission — could have disconnected entirely. "Someone on the maintenance side maybe didn't tighten a bolt up, or a part ...

and enable us to make effectiveness assessments of the fairing we’ve added to the main rotor hub," flight test engineer Dominique Fournier said after the flight. "[This] will be beneficial for ...

In rotating systems, the rotor hub clasps the blades and connects them to the main shaft of the system. The rotor in a helicopter allows it to fly, move laterally, make 360-degree turns, and change ...

Video showed the helicopter plunging into the 5-foot-deep water near Jersey City, New Jersey, without its tail rotor or main rotor blade. Emergency personnel work at the scene of a helicopter ...

Transport Canada said this week that its investigation into the Bell 212 helicopter accident found that one of the outboard main rotor hub strap pins "sheared off during flight, leading to ...

Marenco Swisshelicopter is making tweaks to the main rotor hub of its SH-09 light-single based on data from flight tests that began last October. The design changes will be applied to the second ...

Transport Canada said earlier this week that its investigation into the Bell 212 helicopter accident found that one of the outboard main rotor hub strap pins "sheared off during flight ...