Final answer:
The SRS (Speed Reference System) is a managed speed that relates to the aircraft's speed relative to the air. It is used to provide pilots with accurate airspeed information during different phases of flight.
Step-by-step explanation:
The SRS (Speed Reference System) is a managed speed that relates to the aircraft's speed relative to the air. It is used to provide pilots with accurate airspeed information during different phases of flight. The SRS helps pilots maintain a stable and safe flight by providing them with essential data, such as airspeed, altitude, and heading.