##### Total Air Temperature Probe (TAT) In aviation, stagnation [[Temperature]] is known as total air temperature and is measured by a temperature probe mounted on the surface of the aircraft. The probe is designed to bring the air to rest relative to the aircraft. As the air is brought to rest, [[kinetic energy]] is converted to internal energy. The air is compressed and experiences an adiabatic increase in temperature. Therefore, total air temperature is higher than the static (or ambient) air temperature. Total air temperature is an essential input to an air data computer in order to enable the computation of static air temperature and hence true airspeed. >Covered in: >Mentioned in: >References: [[WP TAT|🌍]] >Required by: > >Related to: