Plain English Meaning

An instrument approach where the navigation system tells you the direction to fly toward the runway but does not give you a vertical path down. You handle the descent yourself, using published altitudes, until you reach the lowest altitude allowed without seeing the runway.

Full Definition

An instrument approach procedure that provides lateral course guidance to the runway but no vertical guidance meeting precision approach standards. Examples include VOR, NDB, LOC, and most basic RNAV (GPS) LNAV . is given a to fly, but must manage descent to the () using published and altitudes rather than a continuously guided .