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The Federal Aviation Administration's computer contract with IBM Corporation.
Air Traffic Control: Inadequate Planning Increases Risk of Computer Failures in Los Angeles
Pursuant to a congressional request, GAO reviewed Federal Aviation Administration's (FAA) project to consolidate four terminal radar approach control (TRACON) facilities in the Los Angeles basin area by 1995, focusing on FAA plans to meet the automation needs of the Los Angeles basin area's terminal airspace. GAO found that: (1) the airspace in the Los Angeles basin area has experienced more near-midair collision reports than any other location in the United States; (2) the four TRACON facilities in the Los Angeles area had previously reported computer capacity shortfalls resulting in the loss of aircraft identification information from controllers' screens; (3) FAA reacted to those shortfalls with stopgap measures designed to keep current, aging systems operating; (4) the FAA plan for a consolidated facility did not allow for steep growth in air traffic and assumed that an advanced system would be implemented on schedule; and (5) due to its lack of a computer capacity and performance management program, FAA did not know if its automation plan for the consolidated facility would meet future needs.
In recent years, increases in the amount and changes in the distribution of air traffic have been very dramatic and are continuing. The need for changes in the current air traffic systems is equally clear. While automation is generally accepted as a method of improving system safety and performance, high levels of automation in complex human-machine systems can have a negative effect on total system performance and have been identified as contributing factors in many accidents and failures. Those responsible for designing the advanced air traffic control systems to be implemented throughout the alliance during the next decade need to be aware of recent progress concerning the most effective application of automation and artificial intelligence in human-computer systems. This volume gives the proceedings of the NATO Advanced Study Institute held in Maratea, Italy, June 18-29, 1990, at which these issues were discussed.