Patent ID: 7818099

Claim:
An avionics system comprising: at least one storage device having a flight path of an aircraft and locations of a plurality of selected airspaces stored thereon, wherein the flight path comprises at least one of a latitude and longitude of the aircraft, a heading of the aircraft, and an altitude of the aircraft and the locations of the plurality of selected airspaces comprise for each selected airspace at least one of a latitude and longitude and an altitude, the at least one storage device comprises a Flight Management System (FMS), and the plurality of selected airspaces comprise at least one of an airspace defined by a user and an airspace defined by an aviation regulatory authority; and a processor in operable communication with the at least one storage device, the processor being configured to: compare the flight path of the aircraft to the locations of the plurality of selected airspaces; and provide an alert signal if the flight path calls for the aircraft to enter at least one of the plurality of selected airspaces; wherein said providing of the alert signal occurs when a current heading of the aircraft does not intersect a nearest one of the plurality of selected airspaces.