United States Federal Aviation Administration. text dcu Washington, D.C 1970] 1970 monographic eng iii, 34 p., 1 pl., map. Handbook. Sept. 1, 1970. Cover title. [Effective Sept. 1, 1970. Cancels handbook 7330.7B. Issued with perforations]. CRDP Program Historic Shelflist record. Official use. Not available. Weather forecasting TD 4.8/2:7330.7 C TD 4.8/2:7330.7 C Official use. Not available. GPO 170119 20170826152603.0 hsl001007672