Groen Brothers Aviation Inc

Groen Brothers Aviation, Inc GBA is engaged in the business of designing and developing new high performance gyroplanes and gyrodynes using advanced technology and modern aerospace design methods

Developing gyroplane technology since 1986, Groen Brothers Aviation is recognized as one of the world s leading authorities on autorotative flight. The company has developed the Rolls Royce gas turbine engine powered Hawk 4, the world s first commercially viable modern gyroplane. The Hawk 4 Gyroplane was used extensively for security aerial patrol missions during the 2002 Winter Olympics in...