Nivo određen vertikalnim merenjem od nivoa mora, održavan tokom celog leta ili dela leta.
French: altitude de croisière
Date: 1. mart 1973.
Srodni izrazi: absolute height; altitude; altitude datum; barometric altitude; calibrated altitude; critical altitude; cruising level; datum level; drop altitude; drop height; elevation; height (1); high altitude; minimum safe altitude; pressure-altitude; transition altitude; transition level.