LVlidojuma papildu līmenis; lidojuma papildlīmenis; SFL
FRNiveau de vol supplémentaire; SFL
Definīcija:Supplementary flight level. The flight level at or above which or, at or below which a flight has been or will be co-ordinated to cross one point. Consists of a flight level number and a crossing condition (either A' if the aircraft will cross the point at or above the level, or B' if the aircraft will cross the point at or below the level).
VVC izstrādātie transporta, infrastruktūras un sakaru termini
