Final rule · 2025-04393

Establishment of United States Area Navigation Route Q-161 and Amendment of United States Area Navigation Routes Q-97, Q-133, Q-437, Q-439, Q-445, and Q-481; Eastern United States

This action establishes United States Area Navigation (RNAV) Route Q-161 and amends RNAV Routes Q-97, Q-133, Q-409, Q-437, Q-439, Q- 445, and Q-481 in the eastern United States. This action supports the Northeast Corridor Atlantic Coast Route (NEC ACR) Optimization Project to improve the efficiency of the National Airspace System (NAS).