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New Phraseology for SIDs and STARs:
Beginning April 27, 2017​


SIDs and STARs provide efficient flight paths, safe and predictable trajectories, and a significant reduction in communications between air traffic controllers and flight crew. Reliance on these types of procedures has made it imperative that they are understood correctly by all parties. 

The new phraseology

ICAO’s new phraseology is more explicit, eliminating possible misinterpretation by pilots, introducing key terms—‘climb via’ or ‘descend via’—to explicitly indicate to flight crews if they should abide by speed and altitude restrictions associated with a given procedure.


​The following resources are available to help prepare pilots and flight crew for the new phraseology:

*Please note that this link directs users to the site of an organization or other entity that is not subject to the Official Languages Act and that these sources are only available in the language in which they are written.