development of a computer based airspace sector occupancy model by shrinivas m sale thesis submitted to the faculty virginia polytechnic institute and state university in partial fulfillment requirements for degree master science civil engineering approved antonio trani ph d chairman hanif sherali wei h lin june 1998 blacksburg dr industrial systems abstract this deals with an asom determines air traffic control center artcc sectors given geometry flight schedules can be used study impact alternative on workload imposed along complimentary analysis models serve as advisory tool approve plans free scenario or reschedule flights around special use sua is developed using matlab 5 2 run ibm compatible pc macintosh unix workstation computerized