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Refer to figure.
Which letter shall be used in ITEM 8 FLIGHT RULES of an ICAO ATS Flight Plan (FPL) to denote a flight initially operated under IFR, followed by one or more subsequent changes of flight rules?
The correct entries in item 8 of the ATS flight plan are:
  • I = flights which are entirely operated under IFR
  • V = flights which are entirely operated under VFR
  • Y = flight commenced under IFR with one or more subsequent changes of flight rules
  • Z = flight commenced under VFR with one or more subsequent changes of flight rules
Therefore, the correct entry in our flight plan would be Y.

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