United States Government Publishing Office publisher pbl distributor dst United States Government Accountability Office Accounting and Information Management Division author aut Government Organization text government publication eng GAOREPORTS Legislative Agency Publications gao legislative 2010-08-12 U.S. Government Printing Office 1996-10-17 monographic deposited born digital 41 p. GA 1.13:AIMD-97-2 https://www.govinfo.gov/app/details/GAOREPORTS-AIMD-97-2 P0b002ee180392432 f:ai97002 DGPO 2010-08-12 2011-03-24 GAOREPORTS-AIMD-97-2 machine generated eng fdlp REPORT GAOREPORTS-AIMD-97-2 AIMD-97-2 Air traffic control systems Transportation safety Air transportation operations Radar equipment Equipment maintenance Spare parts Concurrency Testing FAA Display Channel Complex Rehost Project FAA Terminal Radar Approach Control System FAA Computer Display Channel System FAA Initial Sector Suite System FAA Display System Replacement Chicago (IL) Dallas (TX) New York (NY) Cleveland (OH) Letter Report AIMD GAO reviewed the Federal Aviation Administration (FAA) Display Channel Complex Rehost (DCCR) project, focusing on: (1) recent outages caused by the Display Channel Complex (DCC); (2) whether DCC was meeting its system availability requirement; (3) FAA projections of future DCC outages and availability; and (4) whether FAA will effectively manage the DCCR acquisition and deliver specified capabilities on schedule and within estimated cost.<p/>GAO found that: (1) DCC was responsible for most of the major outages at the five FAA air route traffic control centers that use DCC; (2) DCC was able to meet its system availability requirement in fiscal years (FY) 1990 through 1993, but it fell short of the requirement in FY 1994 and 1995; (3) FAA projects increases in DCC outages and decreases in system availability due to the system's aging and a lack of replacement parts and repair technicians; and (4) FAA has an opportunity to deliver promised DCCR capabilities on time and within budget if it can manage the risks associated with concurrent testing. https://www.govinfo.gov/content/pkg/GAOREPORTS-AIMD-97-2/html/GAOREPORTS-AIMD-97-2.htm https://www.govinfo.gov/content/pkg/GAOREPORTS-AIMD-97-2/pdf/GAOREPORTS-AIMD-97-2.pdf GAO/AIMD-97-2 https://www.govinfo.gov/app/details/GAOREPORTS-AIMD-97-2 Letter Report GAO/AIMD-97-2; Air Traffic Control: Good Progress on Interim Replacement for Outage-Plagued System, but Risks can be Further Reduced; Air traffic control systems Transportation safety Air transportation operations Radar equipment Equipment maintenance Spare parts Concurrency Testing FAA Display Channel Complex Rehost Project FAA Terminal Radar Approach Control System FAA Computer Display Channel System FAA Initial Sector Suite System FAA Display System Replacement Chicago (IL) Dallas (TX) New York (NY) Cleveland (OH)