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   English
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air traffic control clearance [‘ɛə 'træfɪk,kɔn’treul 'klɪ(ə)rəns]
commer., transp., avia. zezwolenie kontroli ruchu lotniczego
 English thesaurus
air traffic control clearance [‘ɛə 'træfɪk,kɔn’treul 'klɪ(ə)rəns]
avia., Canada An authorization issued by an ATC unit for an aircraft to proceed within controlled airspace in accordance with the conditions specified by that unit