Flight training should not result in unrecoverable flight conditions or catastrophic structural failures, yet two recently released National Transportation Safety Board (NTSB) accident reports have ...

If you've ever watched a helicopter lift off the ground, you've probably noticed that they always pitch forward, tossing their nose toward the ground. This isn't by accident -- in fact, it's crucial ...

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 ...

A European study into Vortex Ring State (VRS) – one of the helicopter industry’s most pernicious and persistent safety risks – has concluded there are only minor differences between the effectiveness ...

The dynamics of rotor wakes and the behaviour of tip vortices have emerged as critical areas of investigation in rotorcraft aerodynamics. These phenomena underpin not only the performance and ...

Helicopter rotor systems are central to both civil and military applications, yet they continue to face challenges associated with vibration and noise. These issues not only affect passenger comfort ...

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, ...