00666cam a22002172 4500 hsl000830571 DGPO 20170826152534.0 110808s1974 dcu f000 0 eng d GPO GPO MvI TD 4.9/A:EM 3 TD 4.9/A:EM 3 The ELT - an interim report, (Emergency Locator Transmitters) : an FAA news reprint. [Washington, D.C., 1974]. 1 v. Sept. 1974. CRDP Program Historic Shelflist record. Aircraft survival equipment. Electric batteries. United States. Federal Aviation Administration. BEV Fed Docs 263728 263728