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MASAD-81-37 1 (1981-07-29)

handle is hein.gao/gaobabcfq0001 and id is 1 raw text is: C4 I UNITED STATES GEi'ERAL ACCOUNTING OFFICE WASHINGTON, D.C. 20548 MISSION ANALYSIS AND JULY 29,1981 SYSTEMS ACQUISITION DIVISION B-200622 The Honorable Drew Lewis The Secretary of Transportation Subject: LFAA's Communications Equipment Replacement Plans (MASAD-81-37) Dear Mr. Secretary: We have completed our review of the Federal Aviation Adminis- tration's (FAA's) voice communications equipment replacement plans. The review was requested by the chairman of the House Subcommittee on Transportation, Aviation and Materials, Committee on Science and Technology. We discussed our results with subcom- mittee staff during early February 1981, and they agreed that we should submit a written report to you and copies of it to se- lected congressional committees. We later discussed our results with staff of the House Subcommittee on Transportation, Committee on Appropriations, during late February 1981. Our draft report entitled Revisions Needed in FAA's Communi- cations Equipment Replacement Plans was sent to you on May 11, 1981. As explained in more detail below, FAA has recently taken actions which generally follow the proposed recommendations in the draft report. Consequently, this report contains no recommen- dations. However, we intend to monitor FAA's implementation of its revised communications equipment program. FAA had planned a two-phased effort to replace the existing leased telephone switching and FAA-owned radio control equipment. Some equipment would be replaced during the early 1980s with in- terim off-the-shelf leased or purchased equipment while the follow-on Voice Switching and Control System (VSCS) was being developed. FAA planned to replace the interim equipment and re- maining existing equipment with the standardized FAA-owned VSCS during the late 1980s and early 1990s. The VSCS program was to cost nearly $614 million (inflated dollars). Unlike the current hard-wired or patch panel controlled equipment, the interim and VSCS equipment were to be computer controlled for automated cir- cuit reconfigurations. We felt VSCS was not required because (1) hard-wired and patch panel controlled equipment, rather than computer controlled equipment, would satisfy the circuit reconfiguration requirement, (941220)

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