1. Research and development, program and progress report, Aug. 14, 1957-Oct. 31, 1958, report of 14 months operation, Airways Modernization Board created Aug. 14, 1957, PL 85-133, functions transferred to FAA Nov. 1, 1958, PL 85-726. Bookmark Corporate/Agency Authors: Research and Development Bureau and Federal Aviation Agency Publisher: Research and Development Bureau Date: [1958.] SuDoc number: FAA 2.1:958