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Office of Foundational Business

Civil Aviation Registry Division

The Civil Aviation Registry is responsible for developing, maintaining, and operating national programs for the registration of United States civil aircraft and certification of airmen.

Civil Aviation Registry Branches

If assistance is needed with small Unmanned Aircraft (UAS) registration, email Live phone support will be available from 10am–6pm Eastern. Phone assistance is available at (877) 396-4636. For international callers: +1 (703) 574-6777.

In our continuing effort to improve the quality of service to our stakeholders, Office of Foundational Business would appreciate any comments you may have on our services and how to improve them. Your participation in meeting our goals for continuous improvement is greatly appreciated.

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