Date(s): Wednesday, March 24 | 2:00 pm – 3:00 pm


Rotor Safety Challenge Course (RSC)
Operations, Pilot, Safety
Instructors: Cliff Johnson, FAA; Paola Zanella, Georgia Institute of Technology; Julian Babel, Systems Enginuity
Price: This course is free to anyone attending HAI HELI-EXPO

During the past few decades, the National Transportation Safety Board has identified an increasing number of rotorcraft accidents, with the percentage of accidents due to loss of control having almost doubled since 1964. It’s further been observed that within the rotorcraft community, there exists a lack of understanding and a variety of opinions about the onset of several flight conditions related to loss of control. Mostly, the physics of abnormal conditions such as vortex ring state, loss of tail-rotor effectiveness, and retreating blade stall still aren’t well understood. This session aims to dispel some of the myths surrounding the physics of these conditions by explaining the aerodynamics behind them via modeling while also highlighting a formula for developing reliable safety metric definitions. Through this safety metric event detection strategy, operators can recognize their proximity to loss-of-control events, thus promoting risk mitigation and improving safety analysis techniques for interpreting helicopter flight data.

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