Aviation advisory

A method comprises receiving, in a computer-based airspace monitoring system, airspace information from a plurality of different sources via a plurality of different communication networks, receiving, in the computer-based airspace monitoring system, a first flightpath parameter from a first aircraft at a first point in time, wherein the first flightpath parameter comprises at least one of a three-dimensional position parameter, a flight trajectory parameter, or a speed parameter, establishing, in the computer-based airspace monitoring system, a first defined airspace in a region proximate the first aircraft, processing, in the computer-based airspace monitoring system, the airspace information for the first defined airspace based on the first position parameter received from the first aircraft to define a first data set of airspace information relevant to the first aircraft, and transmitting the first dataset of airspace information from the computer-based airspace monitoring system to the first aircraft.