Patent ID: 8788187

Claim:
A method in an onboard computer for providing information for use in taxiing an aircraft at an airport, the method comprising: displaying, on a display, a map of the airport and a current position of the aircraft based on a current position information, the map showing taxiways of the airport; receiving, in an airport taxiway navigation system, position and direction information; estimating, using the airport taxiway navigation system, the current position information for the aircraft as the aircraft taxis at the airport; receiving, in the onboard computer, a taxi route specifying taxiways that the aircraft is to use to taxi at the airport, as specified by a taxi clearance received from at least one of: a ground control computer system, and a crewmember data entry device, wherein the taxi route comprises a sequential selection of each taxiway in the taxi route; highlighting on the map, using the onboard computer, a taxiway of the taxi route; determining, using the airport taxiway navigation system, if the aircraft is on the cleared taxi route; determining, using the airport taxiway navigation system, a track for the aircraft as it taxis; and generating a signal in the aircraft when the onboard computer determines that the aircraft has deviated from the taxi route.