What signifies the maximum elevation in an aeronautical chart’s sectional view?

The correct choice reflects that the Maximum Elevation Figure (MEF) indicates the highest elevation in a given area represented on an aeronautical sectional chart. MEF is specifically designed to provide pilots with crucial information regarding the elevation of terrain and any obstacles, ensuring they maintain safe clearance when flying in the vicinity.

This figure incorporates the highest point of the terrain within a specific quadrangle, along with any known obstacles that could affect flight safety. By providing this information, the MEF assists in route planning and in ensuring the safe operation of aircraft in varying geographical conditions.

Other choices, while related to aeronautical charts, do not specifically denote the maximum elevation figure. Topographic relief may visually represent elevation changes but does not provide a single numerical reference for navigation. A terrain profile refers to a graphical representation of the terrain's vertical features over a specific horizontal distance but lacks the standardized, quick reference that MEF provides. The flight safety indicator is not a term commonly used in this context and does not convey the maximum elevation data necessary for pilot safety assessments.