An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Notice of proposed rulemaking (NPRM).
This action proposes to amend six United States Area Navigation (RNAV) Q-routes in the eastern United States. This action supports the Northeast Corridor Atlantic Coast Routes (NEC ACR) Optimization Project to improve the efficiency of the National Airspace System (NAS).