Guidance · AIMAIM effective July 9, 2026
AIM 4-1-1 Air Route Traffic Control Centers
Chapter 4. Air Traffic Control · Section 1. Services Available to Pilots
A reference copy of the official AIM text for study. It is not legal advice or an FAA interpretation; always confirm against the current official source.
Centers are established primarily to provide air traffic service to aircraft operating on IFR flight plans within controlled airspace, and principally during the en route phase of flight.
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