Sec. 87.217  Frequencies.

    (a) Only one unicom frequency will be assigned at any one airport. 
The Commission will assign a frequency based on maximum geographic co-
channel separation. However, applicants may request a particular 
frequency which will be taken into consideration when the assignment is 
made. The frequencies assignable to unicoms are:
    (1) 122.950 MHz at airports which have a full-time control tower or 
full-time FAA flight service station.
    (2) 122.700, 122.725, 122.800, 122.975, 123.000, 123.050 or 123.075 
MHz at all other airports.
    (b) 121.500 MHz: emergency and distress only.
[ 53 FR 28940 , Aug. 1, 1988, as amended at  55 FR 30464 , July 26, 1990;  58 FR 67696 , Dec. 22, 1993]

                Subpart H--Aeronautical Multicom Stations