Objekti koje je izgradio čovek, na primer: putevi, zgrade, kanali, granične linije i, u širem smislu, svi nazivi i legende na karti.
French: caractéristique artificielle
Date: 1. mart 1973.
Srodni termini: absolute height; altitude; altitude datum; barometric altitude; calibrated altitude; critical altitude; cruising altitude; datum level; drop altitude; drop height; elevation; height (1); high altitude; minimum safe altitude; pressure-altitude; transition altitude; transition level.