Hill helicopter’s main rotor blade is a complex amalgamation of CFRP, GFRP, unidirectional and biaxial materials that is cured in a single process. Source (All Images) | Hill Helicopters Helicopter ...

A tourist helicopter crashed into the Hudson River in New York City on Thursday, killing six people. A former military helicopter pilot told BI the helicopter's rotary system appears to have failed.

Historical references to spinning flying machines go back hundreds of years, with evidence like the 12th-century Chinese twirling kite and Leonardo da Vinci's bizarre airscrew contraption of 1483.

The main rotor of the doomed helicopter that crashed into the Hudson River was finally recovered Monday — which could provide crucial information as investigators continue to probe what caused the ...

Sikorsky Aircraft Corp. officially opened a new facility at its Florida Assembly and Flight Operations (FAFO) campus, establishing experimental assembly line operations for the new CH-53K heavy lift ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Watch a helicopter fly, and the big spinning top rotor hogs the ...

A slew of patent awards for Bell over recent months – including a biplane tiltrotor, a pusher propeller drivetrain and an anti-torque tail rotor that can be turned through 90° – highlight the range of ...

Helicopters are aircraft with the ability to take off and land vertically. Due to these capabilities, helicopters are often used for fast and local air transport, as required, for example, for rescue ...