Mast bumping is a critical hazard in helicopters with two-bladed, semi-rigid main rotors (like Robinsons and certain Bells), occurring when the rotor unloads under low or zero-G conditions, often ...

A Los Angeles law firm has filed a lawsuit against Torrance-based Robinson Helicopter Co., alleging that two veteran Arizona pilots died in a June 2016 crash caused by defective rotor blades hitting ...

A New Zealand government agency that suspended the use of Torrance-made Robinson helicopters in November 2016 in the wake of a crash that killed two of its employees has now made the move permanent, ...