ICAO 4444 ED 5 :1954
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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PROCEDURES for AIR NAVIGATION SERVICES RULES OF THE AIR and AIR TRAFFIC SERVICES
Hardcopy , PDF
29-01-2019
29-01-2019
The issuance of air traffic control clearances and instructions by air traffic control units constitutes authority for an aircraft to proceed only in so far as known air traffic is concerned
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