A vortex ring state study undertaken by EASA will focus on recovery methods for various helicopter types. A vortex ring state study undertaken by EASA will focus on recovery methods for various ...
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, ...
Helicopters have one of the most recognizable sounds in aviation. The signature "whop whop" or deep thumping sound announces its arrival long before it appears in the sky. It's a sound so iconic, it's ...
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 ...
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