47 CFR § 87.217 - Frequencies.

---
identifier: "/us/cfr/t47/s87.217"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 87.217 - Frequencies."
title_number: 47
title_name: "Telecommunication"
section_number: "87.217"
section_name: "Frequencies."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "D"
subchapter_name: "SAFETY AND SPECIAL RADIO SERVICES"
part_number: "87"
part_name: "AVIATION SERVICES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154, 303 and 307(e), unless otherwise noted."
regulatory_source: "53 FR 28940, Aug. 1, 1988, unless otherwise noted."
cfr_part: "87"
---


# 87.217 Frequencies.

(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) 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; 69 FR 32885, June 14, 2004]