Aeronautical Information Manual
AIM 4-2-6
Ground Station Call Signs
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
Pilots, when calling a ground station, should begin with the name of the facility being called followed by the type of the facility being called as indicated in TBL 4-2-1 .
TBL 4-2-6 Calling a Ground Station Facility
Call Sign
Airport UNICOM
“Shannon UNICOM”
FAA Flight Service Station
“Chicago Radio”
Airport Traffic Control Tower
“Augusta Tower”
Clearance Delivery Position (IFR)
“Dallas Clearance Delivery”
Ground Control Position in Tower
“Miami Ground”
Radar or Nonradar Approach Control Position
“Oklahoma City Approach”
Radar Departure Control Position
“St. Louis Departure”
FAA Air Route Traffic Control Center
“Washington Center”
Retrieved from ecfr.gov on July 20, 2026.