Terrain-Following Radar

Terrain-Following Radar (TFR) is a type of radar system used in aerospace engineering that allows an aircraft to maintain a constant altitude above ground level. It is a crucial component in modern aviation, particularly in military aircraft, for low-level flight operations. The system works by emitting radar waves towards the ground and then interpreting the time it takes for the waves to return after bouncing off the terrain. This information is then used to calculate the aircraft's altitude and adjust it accordingly to maintain a safe and constant distance from the ground. This technology is particularly useful in avoiding detection by enemy radar systems during military operations, as flying at low altitudes can help to hide the aircraft within the ground clutter. It also aids in navigation through mountainous or hilly terrain where maintaining a constant altitude manually would be challenging for the pilot. However, the use of TFR also poses certain risks, such as the potential for collision with uncharted obstacles or rapidly rising terrain.