What altitude does MEA guarantee?

The Minimum Enroute Altitude (MEA) guarantees obstacle clearance and adequate navigation signal coverage along a specific route. MEA is designed to ensure that aircraft remain safely above any terrain or obstacles in the area and that pilots can receive reliable navigation signals throughout their flight at that altitude. This is crucial for maintaining safe operations, especially in mountainous regions or areas with potential obstructions.

The MEA is established by aviation authorities and takes into account the highest terrain and obstacles within a defined route segment, as well as ensuring that navigation aids—such as VORs or NDBs—are usable. By adhering to the MEA, pilots can be confident that they are flying at a safe altitude while still receiving the necessary guidance to navigate their aircraft effectively.