Skip Navigation

Federal Communications Commission

English Display Options

Aeronautical Frequency Notification

MVPDs planning to use the frequencies in the aeronautical radio communications or navigational frequency bands must notify the Commission by electronically filing FCC Form 321 (Aeronautical Frequency Notification) prior to the activation of these frequencies.  The operational requirements in the aeronautical bands are contained in 47 C.F.R 76.1804.

The purpose of the Aeronautical Frequency Notification, Form 321, is to provide accurate and updated information for systems that use the aeronautical frequencies.

Cable operators must provide Community Unit Identifiers (CUIDs) for all the communities affected, community names, and states contained within the radius of the Aeronautical Frequency Notification on Exhibit 1.

Non-cable MVPDs must provide their Non-Cable Identifier (NCID).  If the non-cable MVPD does not have an NCID, one will be supplied when this form is accepted.  Non-cable MVPDs should provide as a community name the name by which their service area is generally known, such as the subdivision, development, building, building complex, campus, neighborhood, etc.  Additional pages may be attached, if necessary.

AFN Application

Aeronautical Frequency Notification now should be done online at:  The code is "TAC". Follow this link for the current Media Bureau Fee Filing Guide (2011).

Contact Us

If you have been contacted by FCC staff by phone or by letter regarding a registration, aeronautical frequency notification, basic signal leakage performance report (CLI) or CARS application requesting more information, unless otherwise directed, please send all requested information to the address below with the reference number and the name of the person requesting the information for faster processing.

Name of Person Requesting Information
Federal Communications Commission
Media Bureau, Engineering Division
Washington, D.C. 20554

FCC Media Bureau > Engineering Division

You are leaving the FCC website

You are about to leave the FCC website and visit a third-party, non-governmental website that the FCC does not maintain or control. The FCC does not endorse any product or service, and is not responsible for, nor can it guarantee the validity or timeliness of the content on the page you are about to visit. Additionally, the privacy policies of this third-party page may differ from those of the FCC.