The four 10 ft. long CH-53K tail rotor blades have 15 percent more surface area compared to the same tail rotor blades on the CH-53E helicopter. On the CH-53K aircraft, the tail rotor blades ...

A 16-monthlong investigation of the crash of a Mercy Air Services helicopter that killed three found that the main rotor blades separated in flight.

The helicopter that crashed in Erie last week — killing both people on board — lost its main rotor after coming in for a landing at a “steep angle,” according to a preliminary report from ...

Authorities say a man was hit in the head by the main rotor blades and killed while working on a helicopter at a Florida airport.

The images, reportedly captured in April, show a compound helicopter with coaxial main rotors and pusher propeller, which ...

A preliminary report released last week into the crash that killed pilot James E. Sauer and Stewart M. Dietrick, a Bell helicopter flight instructor, provides a sense of how such ...

ROWLETT, Texas — Investigators found main rotor impact marks next to a tail boom that separated from a helicopter just before a crash near Dallas, the National Transportation Safety Board ...

The fatal crash of a Robinson R44 helicopter (4X-BDM) in Israel in November 2009 was the result of the failure of one of the main rotor blades, according to the report of the Israeli air accident ...

Heavy-lift helicopter operator Erickson has secured FAA certification for a composite main rotor blade for its S-64 Aircrane.

Authorities say a man was hit in the head by the main rotor blades and killed while working on a helicopter at a Florida airport. A Hernando County Sheriff's Office news release say 62-year-old ...

BROOKSVILLE, Fla. - Authorities say a man was hit in the head by the main rotor blades and killed while working on a helicopter at a Florida airport.