tacann.
/ˈtakən/ A navigational aid system for aircraft which measures bearing and distance from a ground beacon. Frequently attributive.
ΘΚΠ
society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > navigational systems
OBOE1945
navar1946
omni-range1947
omni1949
tacan1955
navigation system1959
nav/com1966
nav/attack1967
1955 Times 17 Aug. 6/4 The Defence Department has removed security restrictions from the technical details of Tacan (tactical air navigation system) and the Air Navigation Development Board will reveal them in an announcement on August 19.
1956 Electr. Communication Mar. 3/1 Tacan is a system that provides both bearing and distance information on direct-reading instruments in an airplane within 200 nautical miles of a selected ground station.
1956 Electr. Communication Mar. 26/1 A tacan ground-installed beacon consists of a receiver-transmitter..and either a shipboard or a shore antenna.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) IX. 18/2 The single-path round-trip system is the basis of distance determination in all radars. It is the system employed by Benito, Condar, Oboe, shoran, and the distance-measuring portion of Tacan equipment.
1977 P. Way Super-Celeste iii. 129 A small, slim fin broke the smooth underbelly of the plane... ‘That's either a UHF antenna or a TACAN aerial,’ said Bridge.
This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020).
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n.1955