this invention is a system that monitors many performance parameters and many aircraft operational parameters , and broadcasts this information along with aircraft identification , audio , video , global positioning and altitude data , to a world wide two - way rf network . this information is monitored and recorded at a remote , centralized location . at this location , this information is combined with archived data , atc data , weather data , topological data , map data , and manufacturers &# 39 ; data . analysis of this combined data allows identification of problems and generation of advisories . six types of advisories are generated : maintenance , safety of flight , flight efficiency , flight separation , safe to fly and safe to take off . in the event of a crash the remotely recorded data provides an instant indication of the cause of the crash as well as where the crashed plane can be found . use of this invention allows replacement of the current , on - board flight data recorders thus saving costs and weight . having the recorded data at a remote site eliminates the need to search for flight data recorders . other advantages are back - up for atc radar position data , better control of aircraft separation , improved flight efficiency , and allowing use of simpler and lower power radar .