Appendix A: FAA Contact information A A-1 The information contained in this appendix will help you contact the appropriate Federal Aviation Administration  (FAA) office. FAA office Page(s) U.S. Department of Transportation  Federal Aviation Administration  800 Independence Avenue, SW Washington, DC 20591-0004  (866) TELL-FAA (866-835-5322)  toll-free www.faa.gov vii Federal Aviation Administration Airman Testing Standards Branch, AFS-630 P.O. Box 25082 Oklahoma City, OK 73125-0082 (405) 954-4151 phone afs630comments@faa.gov iii Federal Aviation Administration  Aircraft Registration Branch, AFS-750 P.O. Box 25504 Oklahoma City, OK 73125-0504 (866) 762-9434  toll-free (405) 954-3116  phone (405) 954-3548 or (405) 954-8068  fax 2-2, 2-3, 4-1, 4-3, 4-4, 4-5,  11-2, 11-4 Federal Aviation Administration Light Sport Aviation Branch, AFS-610 P.O. Box 25082 Oklahoma City, OK 73125-0082 (405) 954-6400 phone (405) 954-4104  fax 2-4, 4-5, 6-2 Federal Aviation Administration Delegation & Airworthiness Programs Branch, AIR-140 P.O. Box 26460 Oklahoma City, OK 73125-4902 (405) 954-4103 phone 9-2