All the Information you Need to Operate Safely in US Airspace, Fully Updated. If you’re an aviator or aviation enthusiast, you cannot be caught with an out-of-date edition of the FARAIM . In today’s environment, there is no excuse for ignorance of the rules of the US airspace system. In the newest edition of the FARAIM, all regulations, procedures, and illustrations are brought up to date to reflect current FAA data.