IRImplementing rule
AIS.TR.320Aeronautical information circular (AIC)
(a)The AIC shall be provided as an electronic document.
(b)The AIC shall be provided whenever it is desirable to promulgate:
(1)forecasts of important changes in the air navigation procedures, services and facilities;
(2)forecasts of implementation of new navigational systems;
(3)significant information derived from aircraft accident/incident investigation which has a bearing on flight safety;
(4)information on regulations related to the safeguarding of civil aviation against acts of unlawful interference that jeopardise the security of civil aviation;
(5)advice on medical matters of special interest to pilots;
(6)warnings to pilots concerning the avoidance of physical hazards;
(7)information on the effect of certain weather phenomena on aircraft operations;
(8)information on new hazards affecting aircraft handling techniques;
(9)information on regulations related to the carriage of restricted articles by air;
(10)references to the requirements of national and EU legislation and to the publication of changes therein;
(11)information on aircrew licensing arrangements;
(12)information on training of aviation personnel;
(13)information on the implementation of, or exemption from, requirements in national and EU legislation;
(14)advice on the use and maintenance of specific types of equipment;
(15)the actual or planned availability of new or revised editions of aeronautical charts;
(16)information on the carriage of communication equipment;
(17)explanatory information related to noise abatement;
(18)selected airworthiness directives;
(19)information on changes in NOTAM series or distribution, new editions of AIP or major changes in their content, coverage or format;
(20)advance information on the snow plan; and
(21)other information of a similar nature.
(c)The AIC shall not be used for information that qualifies for inclusion in AIP or NOTAM.
(d)The snow plan issued in accordance with point AD 1.2.2 of the AIP shall be supplemented by seasonal information to be issued as an AIC well in advance of the beginning of each winter – not less than one month before the normal onset of winter conditions.
(e)When the AIC is selected by the originating Member State for distribution beyond its territory, it shall have the same distribution as the AIP.
(f)Each AIC shall be allocated a serial number which shall be consecutive and based on the calendar year.
(g)In the event that an AIC is provided in more than one series, each series shall be separately identified by a letter.
(h)A checklist of AIC currently in force shall be issued at least once a year, with distribution as for the AIC.
(i)A checklist of AIC provided beyond the territory of a Member State shall be included in the NOTAM checklist.
IR · AIS.TR.320 — Regulation (EU) 2017/373 · Commission Implementing Regulation (EU) 2020/469 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025