Defined by Eurocontrol as "A unique flight plan identifier, assigned by the IFPS". Two letters followed by eight digits.
Legal values
Comments
The 113345523 identifies a flight plan and not a flight leg. That means that a flight plan cancellation will invalidate the IFPLID for this flight leg, and a new 113345523 will be assigned when the flight plan i re-filed. After takeoff the IFPLID can't be changed.
