Instrument approach
AIRCRAFT LANDING PROCEDURE
Precision approach; Decision height; Decision altitude; Instrument approach procedure; VOR approach; Instrument Approach; Instrument Approach Procedure; Non-precision approach; Minimum descent altitude; Blind-landing; Nonprecision approach
In aviation, an instrument approach or instrument approach procedure (IAP) is a series of predetermined maneuvers for the orderly transfer of an aircraft operating under instrument flight rules from the beginning of the initial approach to a landing, or to a point from which a landing may be made visually. These approaches are approved in the European Union by EASA and the respective country authorities and in the United States by the FAA or the United States Department of Defense for the military.