14 CFR · Part 48
14 CFR § 48.200
General.
No person may operate a small unmanned aircraft registered in accordance with this part unless the aircraft displays a unique identifier in accordance with the requirements of § 48.205 of this subpart.
A unique identifier is one of the following:
The registration number issued to an individual or the registration number issued to the aircraft by the Registry upon completion of the registration process provided by this part; or
If authorized by the Administrator, the small unmanned aircraft serial number provided with the application for Certificate of Aircraft Registration under § 48.110(a).
Regulations Referenced
Reflects the eCFR edition current as of July 6, 2026. Retrieved from ecfr.gov on July 17, 2026.
Primary Source