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LCD-77-109 1 (1978-03-21)

handle is hein.gao/gaobaaxab0001 and id is 1 raw text is: DOCUMENT RESUNE 05622 - (B08257531 Navigation Planning: Need for a Mew Direct. ,n. LCD-77-109; B-180715. march 21t 1978. 41 pp. + 10 appeLlices (65 pp.). Report to the Congress; by Bluer B. Staats, Comptroller General. Contact: Logistics and Communications Div. Budget Function: General Science, Space, and Technology: Telecommunications and Radio Frequency Spectrum Use (258). Organization Concerned: Department of Defense; Department of Trausportation; National Aeronautics and Space Administration; Department of Commerce. congressional Relevance: House Committee on Armed Sfrvices; Senate Committee on Armed Services; Congress. Authority: Federal Aviation Act of 1958 (19 U.S.C. 1301). 14 U.S.C. 81. Two general classes of navigation systems are radionavigation systems which consist of transmitters and receivers and self-contained systems vhich depend on internally generated radio signals or other means. A review covered 13 major enroute navigation systems. 11 radionavigation and 2 self-contained, used by civilian and military travelers and by the military to improve the accuracy of weapons delivery. Findings/Conclusions: Overlapping navigation systems have proliferated because it has been costly to abandon older systems as nev ones are developed. Of the 13 systems (1 gas terminated after the review), only 4 and parts of a 5th may be required in the future because the military NAYSTAR satellite development has the potential for meeting the navigation needs of nearly all users. Departments and ageacies plan to spend $277 million over the next 3 or 4 years for equipment or development of potentially unneeded systems. A Government-vide navigation plan is needed to reduce the proliferation and overlap of navigation systems, and a strong management focus is also needed. The Congress may have to decide whether a civil or military agency should manage the NAVSTAR navigation satellite system, recognizing that civil operation nay encourage earlier clvil and international use but that military operation nay be needed to deny high accuracy signals to hostile forces during a war -.r national emergency. Recommenditions: The Congress should question future requests for expenditures on navigation systems which may not be needed in later years and allow funds only when they are cost effective or on the basis of safety or combat readiness. The President should assign to a single aanager the responsibility and authority to direct the Frompt development and implementation of a Government-vide navigation plan along with the budgetary controls to implement those decisions. The plan should provide for its orderly and cost effective execution and be continually updated to fully recognize IAVSTAR develcment progress. 2he Secretaries of Defense and Transportation should defer unnecessary spending for unneeded

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