Definition of tacan in English:


Pronunciation /ˈtakən/ /ˈtækən/


  • An electronic ultrahigh-frequency navigational aid system for aircraft, which measures bearing and distance from a ground beacon.

    ‘As luck would have it, my tacan quit working.’
    • ‘Everyone in the package seemed to be in place as I watched the air-to-air tacan steady to the briefed range.’
    • ‘I turned on my TACAN and dialed the frequency of the ship.’
    • ‘I then tuned in channel 93 on my TACAN and received a good azimuth and a distance of 125 miles to Ubon Air Base.’


1950s from tac(tical) a(ir) n(avigation).