Abstract: All aircraft produce trailing wake vortices as a direct consequence of generating lift. Vortices may be dangerous to following aircraft during takeoff and landing. An all-weather airport wake vortex sensor has been sought ...

Abstract: Sound recorded by the author in March 2002 at JFK International Airport shows that wake vortices in ground effect emit infrasound that is 1) more than 40 dB stronger than audible wake vortex sound; 2) substantially stronger ...