Where to Mail Form 337?

Have you finished filling out Form 337 and are ready to mail it, but have no idea where it goes?

Here’s the Address:

Federal Aviation Administration
Aircraft Registration Branch
Post Office Box 25724
Oklahoma City, OK 73125

Click the link below for FAA’s info Appendix B (c)(2) & (3):



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Author: April Zook

April Zook enjoys announcing news and updates for the A.D. Toolbox Online, which is an IA Regulatory Library and more, produced by Zook Aviation. Come visit our site at www.AirworthinessDirectives.com for all your Regulatory needs, and more!