a document issued to a Company which complies with the requirements of the ISM Code, reederile väljastatud dokument, mis tõendab reederi vastavust ISM koodeksi nõuetele

õhuruum, kus osutatakse konkreetset teenust ja kus sellele teenusele võimaldatakse sageduskaitse, the volume of airspace in which a particular service is provided and in which the service is afforded frequency protection, that volume of airspace needed operationally in order to provide a particular service and within which the facility is afforded frequency protection