PILOT/CONTROLLER ­GLOSSARY

PURPOSE

1. This Glossary was compiled to promote a common understanding of the terms used in the Air Traffic ­Control system. It includes those terms which are intended for pilot/controller communications. Those terms ­most frequently used in pilot/controller communications are printed in bold italics. The definitions are primarily ­defined in an operational sense applicable to both users and operators of the National Airspace System. Use of ­the Glossary will preclude any misunderstandings concerning the system's design, function, and purpose.
2. Because of the international nature of flying, terms used in the Lexicon, published by the International ­Civil Aviation Organization (ICAO), are included when they differ from FAA definitions. These terms are ­followed by “[ICAO].” For the reader's convenience, there are also cross references to related terms in other parts ­of the Glossary and to other documents, such as the Code of Federal Regulations (CFR) and the Aeronautical ­Information Manual (AIM).
3. Terms used in this glossary that apply to flight service station (FSS) roles are included when they differ ­from air traffic control functions. These terms are followed by “[FSS].”
4. This Glossary will be revised, as necessary, to maintain a common understanding of the system.

   EXPLANATION OF CHANGES

5. Terms Added:
   COMBINED CONTROL FACILITY (CCF)
6. Terms Deleted:
   COMBINED CENTER-RAPCON (CERAP)
7. Terms Modified:
   REMOTE COMMUNICATIONS AIR/GROUND FACILITY (RCAG)
   SIMULTANEOUS (PARALLEL) DEPENDENT APPROACHES
8. Editorial/format changes were made where necessary. Revision bars were not used due to the insignificant ­nature of the changes.