FAA Reference Library
The Aeronautical Information Manual - FAA operating guidance, procedures, and recommended practices, organized by Chapter.
About the AIM
The AIM is organized by Chapters covering navigation, airspace, ATC, procedures, and safety. Browse by Chapter, or grouped by topic.
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Chapter 1
Air navigation aids, RNAV/RNP, and the systems that guide flight.
Chapter 2
Airport, runway, and approach lighting and other visual aids.
Chapter 3
Controlled, uncontrolled, and special-use airspace classes.
Chapter 4
ATC services, clearances, and pilot/controller responsibilities.
Chapter 5
Preflight, departure, en route, and arrival ATC procedures.
Chapter 6
Emergency procedures, distress signals, and ATC assistance.
Reference content is current through the latest validated FAA publication.