Modification of the Phoenix Class B Airspace Area; Arizona

This action modifies the Phoenix, AZ, Class B airspace area. Specifically, this action reconfigures several area boundaries; creates two new areas; and raises and/or lowers the floors of several existing areas. The FAA is taking this action to enhance safety, reduce the potential for midair collision, and to improve the management of air traffic operations into, out of, and through the Phoenix Class B airspace area while accommodating the concerns of airspace users.