What is the purpose of a Standard Terminal Arrival Route (STAR)?

A Standard Terminal Arrival Route (STAR) is designed to standardize the arrival procedures for aircraft approaching an airport. This standardized method helps streamline the transition from en-route flight to the approach phase, allowing for smoother traffic flow and reducing the likelihood of congestion in the terminal airspace. By following a predefined route, pilots can navigate more efficiently to their destination, making it easier for air traffic controllers to manage multiple aircraft approaching the same airport simultaneously.

Utilizing a STAR enhances communication and coordination between pilots and air traffic control, as all aircraft are following a common path with set altitudes and speeds. This standardization plays a crucial role in increasing safety and efficiency within busy airspaces.

While improving fuel efficiency may be a beneficial side effect of using a STAR, it is not the primary purpose of these routes. Emergency procedures and passenger boarding processes are unrelated to the function of a STAR.