Eagle Helmet The Gentex ALPHA Eagle Rotary Wing is the most versatile helmet, with its system available for commercial operations including fire services, air ambulance, forestry, and crop spraying. Pilots can select from a wide range of visor options; communications components, including plugs, connectors, boom microphones and hearing protection options, including ANR. Available in five shell sizes and a variety of colours and finishes to optimize the fit and personalization of the helmet system.