Hamilton I. Rothrock

Peer Reviewed

Abstract: Twenty years ago, with aircraft and instruments which were rudimentary by comparison with those in regular service today, we were able to fly the airways of the period with electronic guidance, prove our positions, and through meticulous piloting make letdowns on instruments to weather limits only slightly higher than we accomplish regularly today. We are still using the latest development of this 25 year old facility, the four-course range, on 90 per cent of the nation’s airways; and although these facilities are largely obsolescent and to be replaced by the omnirange, we still have not gotten around to decommissioning them. Furthermore we have not greatly bettered the operational limits to which we may work under instrument conditions.
Published in: NAVIGATION: Journal of the Institute of Navigation, Volume 3, Number 10
Pages: 363 - 368
Cite this article: Rothrock, Hamilton I., "STATUS OF AIR NAVIGATION TRAFFIC CONTROL SYSTEM", NAVIGATION: Journal of The Institute of Navigation, Vol. 3, No. 10, 1953, pp. 363-368.
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