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Flight plans & ATC

033 Flight PlanningChapter 6

Flight plans link operational planning to ATC. The exam tests when to file, what each ICAO item contains, and when amendments or cancellation are mandatory.

SituationMinimum lead time
Normal controlled departure60 minutes before EOBT
Unforeseen circumstances30 minutes before EOBT
Atlantic/Pacific crossing or ATFM airspace3 hours before EOBT
Already airborne entering controlled airspace10 minutes before entry
Leaving parking (general guidance)1 hour before

RTF callsign to be used.

CodeMeaning
SScheduled
NNon-scheduled
GGeneral
MMilitary
XOther

ETD = time off blocks (not airborne).

Examples: SELCAL code; STS/HOSP for health personnel in conflict zones.