1592953760000 1312632483000 term-68936 1616541590059 1312632564000 1616290588444 adlib fitz-online adlib-term-68936 f2290442-1ed2-3251-b6fc-9e72287b61d5 2 1 scope note Aeronautical beacons used to indicate the location of natural or man-made landmarks used by pilots as an aid to navigation. reference term-68931 adlib-term-68931 681b1fbe-c804-3d92-afe6-db60b4059383 landmark beacon V.TC.AFU.AFU.AXC.ALO.ARI.AFU.ARI 1 code V.TC.AFU.AFU.AXC.ALO.ARI.AFU.ARI 1 landmark beacons reference term-68937 adlib-term-68937 c7f77962-a2d8-32a7-9340-ab1d890cd76e aeronautical beacons landmark beacons term