Dellinger, J.H.Chairman of Radio Technical Commission for Aeronautics, at demonstration of air traffic control systems at CAA Experimental Station, Indianapolis, stated that first stages of 15 yr program designed to make all weather flight reality are in progress; descriptions of elements of air traffic control and navigation which are to be completed and in operation within next 5 yr are given.
Transitional avigation aids
Aero Digest
Aero Digest ; 58 , n 1
1949
Article (Journal)
English
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