Update Cycle Dates and Effective Dates Jeppesen NavData: 2023 Cycle Cycle Effective 2301 Jan 26 2302 Feb 23 2303 Mar 23 2304 Apr 20 2305 May 18 2306 Jun 15 2307 Jul 13 2308 Aug 10 2309 Sep 07 2310 Oct 05 2311 Nov 02 2312 Nov 30 2313 Dec 28 2401 Jan 25 Digital Terminal Charts: 2023 Cycle Number Issue Date 01-2023 Jan 06 02-2023 Jan 20 03-2023 Feb 03 04-2023 Feb 17 05-2023 Mar 03 06-2023 Mar 17 07-2023 Mar 31 08-2023 Apr 14 09-2023 Apr 28 10-2023 May 12 11-2023 May 26 12-2023 Jun 09 13-2023 Jun 23 14-2023 Jul 07 15-2023 Jul 21 16-2023 Aug 04 17-2023 Aug 18 18-2023 Sep 01 19-2023 Sep 15 20-2023 Sep 29 21-2023 Oct 13 22-2023 Oct 27 23-2023 Nov 10 24-2023 Nov 24 25-2023 Dec 08 26-2023 Dec 22 Garmin Database Update Schedule View on Garmin.com