The TouchDown Zone Elevation, or TDZE, is an important term in aviation. It refers to the highest elevation within the first 3000 feet of a runway, starting from the threshold. This measurement is crucial for pilots during landings, as it helps them understand the terrain they are approaching. Knowing the TDZE allows for better planning and safer landings. In essence, it provides vital information about the runway’s elevation profile, ensuring that pilots can make informed decisions.









