| 主权项 |
1. A method of providing an airport model from a data server to an aircraft for a flight from a source airport to a destination airport, the method comprising:
prior to take off from the source airport, transmitting from the aircraft a first identifying signal to a first data server associated with the source airport; receiving a complete airport model of a destination airport from the first data server; while in flight and prior to landing at the destination airport, transmitting from the aircraft a second identifying signal, including a version indicator for the complete airport model, to a second data server associated with the destination airport; comparing the version indicator to the current version of the airport model; and prior to landing, receiving at the aircraft, from the second data server, an update to the complete airport model when the comparison indicates the complete airport model is not the current version. |
