1. An aircraft data processing system, comprising: a data receiver adapted to receive aircraft data transmitted from a plurality of subscribing aircraft; a data transmitter configured to selectively transmit actionable aircraft data to one or more subscribing aircraft or subscribing ground-based users; and a data processor in operable communication with the data receiver and the data transmitter, the data processor configured to: determine which of the one or more subscribing aircraft or subscribing ground-based users should receive actionable aircraft data, determine when the one or more subscribing aircraft or subscribing ground-based users should receive actionable aircraft data, generate actionable aircraft data from at least a portion of the received aircraft data and based on the determination of which of the one or more subscribing aircraft or subscribing ground-based users should receive actionable aircraft data, and supply the generated actionable aircraft data to the data transmitter for transmission.