What is one of the primary uses of standard atmosphere in aviation?

The primary use of standard atmosphere in aviation is for altitude calibrations. Standard atmosphere provides a baseline for the atmospheric conditions that exist at different altitudes. It establishes a consistent reference point for pressure, temperature, and density in the atmosphere, which is crucial for accurate altitude measurement. This allows pilots and air traffic controllers to have a common understanding of altitude references, ensuring safe operations and communication.

By utilizing the standard atmosphere model, aviation professionals are able to calibrate altimeters correctly, which helps in maintaining safe vertical separation between aircraft and in providing accurate altitude reporting. This standardization is critical for flying at high altitudes where pressure variations can significantly affect performance and safety.