Systems and methods for updating a terrain awareness and warning system (TAWS) database are disclosed. The systems request, by way of the first wireless communications device communicating by way of an avionics data transfer protocol, an update to the TAWS database, where the request is based upon flight path data, and receive and accept, by way of the first wireless communications device and by way of the avionics data transfer protocol and in response to the request, the update to the TAWS database.