1592953715000 1312632483000 term-66418 1616541044865 1312632562000 1616290198630 adlib fitz-online adlib-term-66418 236e7895-8c8c-34a2-a859-b00cfd9fc68c 2 1 scope note Aeronautical devices used to indicate visually the direction designated for landing and take-off. IESREF reference term-66411 adlib-term-66411 91069f17-22d5-3afa-943e-3825dd580a70 landing direction indicator V.RM.ALO.AFU.AFU.BCW 1 code V.RM.ALO.AFU.AFU.BCW 1 landing direction indicators reference term-66429 adlib-term-66429 79cc4d93-7b6f-3458-b61f-f1a742514ab1 aeronautical ground lights landing direction indicators term