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| English thesaurus |
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| avia., Canada |
Flight assistance and information provided by FSSs and FICs for aviation safety. Flight services include pilot briefings, flight plan FP acceptance and processing, aerodrome advisories, inflight communications, relay of ATC clearances, assistance to aircraft in emergency situations, alerting and searches for VFR aircraft, DF assistance, NAVAID monitoring, and issuance of NOTAM and surface weather observations. |
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| mil., abbr. |
FS |
