üksus, mille ülesandeks on vastu võtta lennuliiklusteenindust puudutavat teavet ning lennu eel esitatavaid lennuplaane, a unit established for the purpose of receiving reports concerning air traffic services and flight plans submitted before departure

Panameerika konverentsil 30.4.1948 Bogotás, international organisation established by American countries to achieve an order of peace and justice, to promote their solidarity, to strengthen their collaboration, and to defend their sovereignty, their territorial integrity, and their independence