New fixed airspace separation system, which operates without voice communication, gets intensive tests; developed by General Railway Signal Co in cooperation with Watson Laboratories of Air Materiel Command; although system is fully automatic, control panel has been provided at master station to permit insertion of dispatching or flow control clearances to expedite traffic.
Visual signals used in traffic control
Aviation Week
Aviation Week ; 50 , n 20 ; p 20-22 + 24
1949
Aufsatz (Zeitschrift)
Englisch
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