- a navigational aid that uses radar to map the sky above an airfield, which, together with a map of the airfield itself, is transmitted by television to aircraft approaching the field.
Origin of teleran
1945–50; short for Tele(vision) R(adar) A(ir) N(avigation)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- trademark an electronic navigational aid in which the image of a ground-based radar system is televised to aircraft in flight so that a pilot can see the position of his aircraft in relation to others
C20: from Tele (vision) R (adar) A (ir) N (avigation)