What is the function of a significant interval in arrivals?

The function of a significant interval in arrivals is primarily focused on managing the spacing of arriving aircraft at an airport. This interval is crucial for ensuring that there is adequate separation between aircraft during their approach and landing phases. Proper spacing helps maintain safety by preventing potential conflicts or collisions between aircraft, allowing air traffic controllers to coordinate arrivals efficiently.

By establishing a significant interval, controllers can systematically manage the flow of air traffic, which is especially essential at busy airports. This regulation helps maintain the overall efficiency of operations while ensuring that safety protocols are adhered to.

While reducing fuel consumption and maintaining minimum speeds are important considerations in aviation, they are more related to operational efficiency and aircraft performance rather than the direct function of the significant interval concept in managing arrivals. Similarly, increasing the number of flights arriving per hour is a goal that can be affected by spacing but is not the primary function of a significant interval itself.