Aeronautical Information Manual
AIM 3-1-2
General Dimensions of Airspace Segments
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
Refer to Title 14 of the U.S. Code of Federal Regulations (CFR) for specific dimensions, exceptions, geographical areas covered, exclusions, specific transponder/ADS-B or other equipment requirements, and flight operations.
Retrieved from ecfr.gov on July 20, 2026.