This is part of a system the FAA has been trying to replace (unsuccessfully) since at least 1990: http://www.ainonline.com/aviation-news/aviation-international-

This is part of a system the FAA has been trying to replace (unsuccessfully) since at least 1990: http://www.ainonline.com/aviation-news/aviation-international-news/2013-10-02/eram-development-reminiscent-failed-aas-program http://www.ainonline.com/aviation-news/aviation-internationa... (The AAS often appears in software engineering classes as an example of a classic "train wreck" project)