StacksVerified U.S. regulatory reference

47 CFR §87.217

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Only one unicom frequency will be assigned at any one airport. Applicants must request a particular frequency, which will be taken into consideration when the assignment is made. The frequencies assignable to unicoms are:
    1. (1)122.950 MHz at airports which have a full-time control tower or full-time FAA flight service station.
    2. (2)122.700, 122.725, 122.800, 122.975, 123.000, 123.050 or 123.075 MHz at all other airports.
  2. (b)121.500 MHz: emergency and distress only.