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Air traffic control (31 - 40 of 62 items)

Air Traffic Control: Efforts to Modernize Oceanic System Delayed
http://www.gao.gov/products/IMTEC-91-2

IMTEC-91-2: Published: Jan 16, 1991. Publicly Released: Jan 16, 1991.
Issues Related to FAA's Fiscal Year 1991 Budget Request
http://www.gao.gov/products/T-RCED-90-66

T-RCED-90-66: Published: Apr 18, 1990. Publicly Released: Apr 18, 1990.