The ATC publications listed below are updated more frequently than this training
manual. Therefore, you should refer to them for updated and accurate listings of air
traffic control terms and definitions.
Aeronautical Information Manual, FAA publication
Air Traffic Control, FAA Order 7110.65
Aeronautical Information Manual (AIM) Provides the aviation community with basic
flight information and ATC procedures for use in the National Airspace System of the
Airfield Lighting Control System (AFLCS) (AN/FSN-7) Allows control towers to
control airfield lighting circuits remotely.
are horizontally and vertically uniform.
Airport/Facility Directory (A/FD) A seven-volume booklet series that contains data
on all open-to-the-public airports, seaplane bases, heliports, military facilities, and
selected private use airports specifically requested by the DOD for which a DOD IAP
has been published, including airport sketches, NAVAIDS, communications data,
weather data sources, airspace, special notices, VFR way points, airport diagrams, and
Alert areas Designated to inform nonparticipating pilots that an area may contain
either a high volume of pilots in training or an unusual type of aerial activity.
Altocumulus clouds Similar in appearance to cirrocumulus, but the balls or flakes
are thicker and grayer.
Altostratus clouds Thick, smooth, gray or blue-gray clouds that have an overcast
appearance and are thicker and less transparent than cirrostratus clouds.
AN/FPN-63 RADAR A solid-state unit that is mounted on a remotely controlled
turntable and allows either a 10- or 20-mile range selection.
AN/GPN-27 RADAR (ASR-8) Used to detect primary RADAR aircraft targets within
AN/GPN-30 ASR-11 Digital Airport Surveillance RADAR (DASR) Next-generation
terminal area surveillance RADAR providing primary surveillance RADAR (PSR)
coverage to 60 nm and monopulse secondary surveillance RADAR (MSSR) coverage to