What is an "approach plate" used for?

An approach plate is specifically designed to provide detailed information required for an instrument approach to an airport. These plates include critical data such as the approach procedure, minimum altitudes, and navigational aids that guide pilots during the approach phase of flight. They also outline the necessary headings, as well as any specific restrictions or required procedures that must be followed to ensure the safety and accuracy of the approach.

This type of document is essential for pilots flying under instrument flight rules (IFR), as it helps them navigate safely, particularly in conditions of low visibility. The information on approach plates assists pilots in making informed decisions during the critical phases of landing.

While air traffic control commands, weather patterns, and runway lengths are important elements of flight operations, they are not the primary function of an approach plate. Instead, approach plates focus specifically on the approach procedures needed for safely conducting an IFR approach to a particular airport.