Air traffic control :
status of FAA's host computer project and related software enhancements : briefing report to the Chairman and the Ranking Minority Member, Subcommittee on Transportation, House Committee on Appropriations.
Washington, D.C. : U.S. General Accounting Office, 
United States. /
Federal Aviation Administration
International Business Machines Corporation.
United States. > United States. / Federal Aviation Administration.
Air traffic control.
Air traffic control > Air traffic control / Data processing.
Air traffic control > Air traffic control / United States > Air traffic control / United States / Automation.
16 p. ;
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