At the top, in bold, the pilot finds the airport name, the specific approach type (e.g., ILS, VOR, RNAV/GPS), and the radio frequency for the final approach course. Crucially, this strip contains the decision altitude (DA) or minimum descent altitude (MDA) —the "floor" below which the pilot cannot descend unless the runway is in sight.
The header provides immediate identification and vital pre-flight planning data. jeppesen instrument approach plates
The missed approach procedure is detailed in text usually found below the Profile View or in the Minimums box. At the top, in bold, the pilot finds