Approach procedure suffixes (e.g., 'Z', 'Y') indicate multiple straight-in approaches of the same type to a single runway, primarily designed to accommodate more aircraft by offering different ...

The FAA is systematically decommissioning older ground-based navigation systems like NDBs and VORs, and is now targeting Instrument Landing System (ILS) approaches for "rationalization" (reduction).

Precision, accuracy, stability – these are what a pilot wants in a precision instrument approach. The instrument landing system (ILS) has provided these qualities for years; however, the Federal ...