Although helicopter aerodynamics involves the same forces that arise in airplane aerodynamics, these forces occur differently due to fluid flow dynamics across the aircraft. Helicopters take advantage ...

Jim Clayton, founder of Clayton Homes, was at fault in a helicopter crash that killed his brother in August 2020, according to a final report by the National Transportation Safety Board. The exact ...

Helicopter safety researchers are to undertake formal analysis of the hazardous vortex ring phenomenon and the effectiveness of an alternative recovery and escape technique. The vortex ring state is ...

The aft tail boom of the Bell 429 was discovered 390 feet from the main wreckage. Credit: NTSB Flight training should not result in unrecoverable flight conditions or catastrophic structural failures, ...

A conversation between a Virginia State Police helicopter pilot and his trooper co-pilot before a crash that killed both of them referred to an aerodynamic phenomenon that a National Transportation ...

Computational fluid dynamics performed by NASA Ames Research Center illustrates the variation in vortices caused by advancing and retreating rotor blades. Credit: NASA The FAA in the past conducted a ...