;Contents: Aviation forecasts--Fiscal years 1971-1980; En route control and services; Terminal area control and services; Flight services; Airspace allocation and rules; En route navigation; Landing aids; System support; Airports; Manpower; Environmental; Airport and Airway research and development.


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    National Aviation Weather Program Plan

    Heuwinkel, R. / Branscome, C. W. / Wilhelm, E. B. et al. | British Library Conference Proceedings | 1992