Aviation Dictionary

En route facilities ring

Depicted in the plan view of IAP charts, a circle which designates NAVAIDs, fixes, and intersections that are part of the en route low altitude airway structure.

Dictionary Term

En route facilities ring

Definition

Depicted in the plan view of IAP charts, a circle which designates NAVAIDs, fixes, and intersections that are part of the en route low altitude airway structure.

References

Pilot's Handbook of Aeronautical Knowledge · Federal Aviation Administration · 2023