FAA Order 7110.65 is an FAA manual that prescribes air traffic control (ATC) procedures and phraseology for use by personnel providing ATC services in the USA. It is also informally known as 'The Bible' in controller circles. The current version and subsequent lettered versions (as well as changes to the current version) are published according to the publication schedule contained within the order (paragraph 1-1-6), usually every 6 months.
This order prescribes air traffic control procedures and phraseology for use by persons providing air traffic control services. Controllers are required to be familiar with the provisions of this order that pertain to their operational responsibilities and to exercise their best judgment if they encounter situations not covered by it. It is the FAA's authoritative source concerning ATC matters. It is distributed to select offices in Washington headquarters, regional offices, service area offices, the William J. Hughes Technical Center, and the Mike Monroney Aeronautical Center. Copies are also sent to all air traffic field facilities and international aviation field offices; and to the interested aviation public.