Which of the following is NOT a type of aeronautical chart?

The correct answer identifies the Flight Service chart as not being a recognized type of aeronautical chart.

Aeronautical charts are crucial tools for pilots and come in various types to cater to different phases of flight. VFR navigation charts are designed for visual flight rules and assist pilots navigating under visual conditions. Terminal charts, often used in the vicinity of airports, provide detailed information about airspace, runways, and navigational aids to support pilots during takeoff and landing procedures. Enroute high altitude charts serve pilots flying at higher altitudes, offering information on navigational aids, airspace structures, and relevant flight restrictions.

In contrast, the Flight Service chart does not fit into the categorization of aeronautical charts as it primarily offers information related to flight service stations and does not serve the functional purpose of aiding in navigation during flight. This distinction is essential for understanding the different tools available for aviation navigation and operations.