Radionavigation Planning in the FAA

Neal A. Blake, Jerry W. Bradley

Abstract: The U.S. Government's civil aviation agency has been involved with radionavigation beginning with the Air Commerce Act in 1926. The original aviation radionavigation system was the Four-Course Range adapted from the German system used during World War I to aid Zeppelins in their raids on England. This radionavigation system was first established domestically about 1927 on the airway between New York and Cleveland. Improved versions of the Four-Course Range were in use up to just a few years ago. Early in 1937, the Radio Development Section of the Bureau of Air Commerce started the development of the Visual-Aural Range (VAR). which was introduced on the New York-Chicago route in 1944. A total of 68 VAR's were installed and they operated until early in 1960. Work was started in 1937 on a very high frequency (VHF) omnirange system. This program was interrupted by World War II, but by 1946 the first very high frequency omni-directional radio ranges (VOR's) were installed on the New York-Chicago airway. The system was commissioned for use in 1947. By 1954 there were approximately 350 VOR's and by 1965 there were over 840 VOR's in operation.
Published in: Proceedings of the 1985 National Technical Meeting of The Institute of Navigation
January 15 - 17, 1985
San Diego, CA
Pages: 5 - 7
Cite this article: Blake, Neal A., Bradley, Jerry W., "Radionavigation Planning in the FAA," Proceedings of the 1985 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 1985, pp. 5-7.
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