What does a (T) signify on a Low Altitude En Route Chart?

The designation of (T) on a Low Altitude En Route Chart signifies a Terminal Class NAVAID. Terminal Class NAVAIDs are essential navigational aids that provide services specifically designed for aircraft approaching or departing from airports within terminal airspace. They play a crucial role in ensuring safe and efficient air traffic movements in crowded airspaces around airports.

This classification helps pilots understand the type and range of navigational aid they can expect when operating in terminal areas, as these aids are typically designed to support operations closer to aerodromes, enhancing situational awareness and navigation accuracy for approaching aircraft. Understanding this designation is vital for safe flight planning and navigation, especially in busy terminal environments.