ICAO LogoA Nov. 15 transition to International Civil Aviation Organization (ICAO) flight plans triggered some confusion, with AOPA Pilot Information Center staff fielding calls from members concerned that a major shift in flight plan filing procedures had taken effect.

The date marked the completion of a long-planned transition from the FAA domestic flight plan format to an ICAO format for international and domestic IFR operations using performance-based navigation (PBN). General aviation IFR pilots can still use the older FAA domestic flight plan form that remains available through electronic flight planning applications for operations that do not utilize GPS-based procedures and routes.

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