It is anticipated that controllers will continue to vector traffic for spacing in the near term where there are Required Navigation Performance (RNP) area navigation (RNAV) routes that merge prior to the final approach or on the final approach.
Near-to-mid Term Solution for Efficient Merging of Aircraft on Uncoordinated Terminal RNAV Routes
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It is anticipated that controllers will continue to vector traffic for spacing in the near term where there are Required Navigation Performance (RNP) area navigation (RNAV) routes that merge prior to the final approach or on the final approach. Under moderate to heavy demand, this will negate many of the efficiency, throughput, and predictability benefits of keeping aircraft on the RNP RNAV routes.