Update Cycle Dates and Effective Dates Jeppesen NavData: 2021 Generally, Jeppesen NavData updates are available for download through Jeppesen Distribution Manager (JDM) up to 10 days prior to the effective date. If your download isn’t available yet, please check back at regular intervals. All data files will be available by the effective date. Cycle Number Effective Date 2101 Jan 28 2102 Feb 25 2103 Mar 25 2104 Apr 22 2105 May 20 2106 Jun 17 2107 Jul 15 2108 Aug 12 2109 Sep 09 2110 Oct 07 2111 Nov 04 2112 Dec 02 2113 Dec 30 Digital Terminal Charts: 2021 Jeppesen electronic terminal chart updates are typically available 48 hours before the issue date. Cycle Number Issue Date 01-2021 Jan 08 02-2021 Jan 22 03-2021 Feb 05 04-2021 Feb 19 05-2021 Mar 05 06-2021 Mar 19 07-2021 Apr 02 08-2021 Apr 16 09-2021 Apr 30 10-2021 May 14 11-2021 May 28 12-2021 Jun 11 13-2021 Jun 25 14-2021 Jul 09 15-2021 Jul 23 16-2021 Aug 06 17-2021 Aug 20 18-2021 Sep 03 19-2021 Sep 17 20-2021 Oct 01 21-2021 Oct 15 22-2021 Oct 29 23-2021 Nov 12 24-2021 Nov 26 25-2021 Dec 10 26-2021 Dec 24 Garmin Database Update Schedule