… Bolczak Dr. Nels Broste Carl Dahlke Sarah Stalnaker Long Truong Data about flight is critical to the operation of the National Airspace System (NAS) and to the development of application … of flight data and its structure. This document reviews a number of flight-based activities in the NAS. It then describes a flight data model, created with the ERwin relational data … the express written permission of The MITRE Corporation. For further information, please contact The MITRE Corporation, Contracts Office, 7515 Colshire Dr., McLean, VA 22102-7508, (703) …