Aeronautical information regulation and control
|Term||aeronautical information regulation and control|
1. A system aimed at advance notification based on common effective dates, of circumstances that necessitate significant changes in operating practices.
2. A regulated system for disseminating information concerning significant changes to specified data items applicable to airspace boundaries, ATS routes and procedures, radio navigation aids and communication facilities, meteorological facilities, runways and stopways.An AIRAC cycle is a twenty-eight (28) day period.
1. ICAO (2010) Official definition, ANNEX 15 Aeronautical Information Services 2010
2. EUROCONTROL, NM Glossary (2014)
Based upon a series of effective dates of intervals of 28 days, the AIRAC cycle is designed to ensure that all users of aeronautical information receive new information and changes to existing information at least 28 days in advance of the effective date. (source: EUROCONTROL EATM glossary, 2004)