AIRAC Effective Dates (28-day Cycle)
The current AIRAC cycle is 1213 (effective 13 Dec 2012).
| # | 2004* | 2005 | 2006 | 2007 | 2008* | 2009 | 2010 | 2011 | 2012* | 2013 | 2014 | 2015 | 2016* | 2017 | 2018 | 2019 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01 | 22 Jan | 20 Jan | 19 Jan | 18 Jan | 17 Jan | 15 Jan | 14 Jan | 13 Jan | 12 Jan | 10 Jan | 09 Jan | 08 Jan | 07 Jan | 05 Jan | 04 Jan | 03 Jan |
| 02 | 19 Feb | 17 Feb | 16 Feb | 15 Feb | 14 Feb | 12 Feb | 11 Feb | 10 Feb | 09 Feb | 07 Feb | 06 Feb | 05 Feb | 04 Feb | 02 Feb | 01 Feb | 31 Jan |
| 03 | 18 Mar | 17 Mar | 16 Mar | 15 Mar | 13 Mar | 12 Mar | 11 Mar | 10 Mar | 08 Mar | 07 Mar | 06 Mar | 05 Mar | 03 Mar | 02 Mar | 01 Mar | 28 Feb |
| 04 | 15 Apr | 14 Apr | 13 Apr | 12 Apr | 10 Apr | 09 Apr | 08 Apr | 07 Apr | 05 Apr | 04 Apr | 03 Apr | 02 Apr | 31 Mar | 30 Mar | 29 Mar | 28 Mar |
| 05 | 13 May | 12 May | 11 May | 10 May | 08 May | 07 May | 06 May | 05 May | 03 May | 02 May | 01 May | 30 Apr | 28 Apr | 27 Apr | 26 Apr | 25 Apr |
| 06 | 10 Jun | 09 Jun | 08 Jun | 07 Jun | 05 Jun | 04 Jun | 03 Jun | 02 Jun | 31 May | 30 May | 29 May | 28 May | 26 May | 25 May | 24 May | 23 May |
| 07 | 08 Jul | 07 Jul | 06 Jul | 05 Jul | 03 Jul | 02 Jul | 01 Jul | 30 Jun | 28 Jun | 27 Jun | 26 Jun | 25 Jun | 23 Jun | 22 Jun | 21 Jun | 20 Jun |
| 08 | 05 Aug | 04 Aug | 03 Aug | 02 Aug | 31 Jul | 30 Jul | 29 Jul | 28 Jul | 26 Jul | 25 Jul | 24 Jul | 23 Jul | 21 Jul | 20 Jul | 19 Jul | 18 Jul |
| 09 | 02 Sep | 01 Sep | 31 Aug | 30 Aug | 28 Aug | 27 Aug | 26 Aug | 25 Aug | 23 Aug | 22 Aug | 21 Aug | 20 Aug | 18 Aug | 17 Aug | 16 Aug | 15 Aug |
| 10 | 30 Sep | 29 Sep | 28 Sep | 27 Sep | 25 Sep | 24 Sep | 23 Sep | 22 Sep | 20 Sep | 19 Sep | 18 Sep | 17 Sep | 15 Sep | 14 Sep | 13 Sep | 12 Sep |
| 11 | 28 Oct | 27 Oct | 26 Oct | 25 Oct | 23 Oct | 22 Oct | 21 Oct | 20 Oct | 18 Oct | 17 Oct | 16 Oct | 15 Oct | 13 Oct | 12 Oct | 11 Oct | 10 Oct |
| 12 | 25 Nov | 24 Nov | 23 Nov | 22 Nov | 20 Nov | 19 Nov | 18 Nov | 17 Nov | 15 Nov | 14 Nov | 13 Nov | 12 Nov | 10 Nov | 09 Nov | 08 Nov | 07 Nov |
| 13 | 23 Dec | 22 Dec | 21 Dec | 20 Dec | 18 Dec | 17 Dec | 16 Dec | 15 Dec | 13 Dec | 12 Dec | 11 Dec | 10 Dec | 08 Dec | 07 Dec | 06 Dec | 05 Dec |
Note: * = leap year containing 29 Feb (2004, 2008, 2012, 2016, etc.)
Read more about this topic: Aeronautical Information Publication
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