A comprehensive List of airports in Europe is included in eFlightLog. You can change the order of appearance in the drop-down list for Departure/Destination airport by editing the value in the field ‚Ordering‘. Airports with the same value in ‚Ordering‘ are sorted alphabetically by AOIC code.
Airports marked as ‚Off. Mountain Site‘ are official Mountain Landing Sites and appear in the Landing Markers form if Mountain Landing Markers have been set for your Aircraft Type.
Set ‚ordering‘ to 999999 to suppress showing the airport in the select list of the booking form in FlightPlan.