U.S. federal trademark · Serial No. 77954504 · Reg. No. 4196301
Computer software and computer hardware for use in the field of avionics, which shows a symbol on an airport chart or diagram corresponding to the location of the vehicle using the GPS coordinates or other location information, which may optionally include a warning that alerts pilots of being on a runway, about to enter a runway, and distance information based on position on or near the runway
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