A report published by the FAA in December has caused many in the advanced air mobility (AAM) industry to reassess assumptions about the safety impacts of downwash and outwash produced by electric ...

When a propeller operates close to a porous surface, the porous material absorbs some of the energy from the flow impingement, reducing the velocity of the tangential wall jet—a high-speed outwash of ...

When the FAA released draft updated engineering guidelines for vertiports in September 2024, it introduced the requirement for a caution area to provide protection from the high wind velocities ...