Update Cycle Dates and Effective Dates NavData: 2019 NavData provides the latest navigational data for your flight planning software and may also carry the latest version of the program. NavData Updates are available for download up to 10 days prior to the effective date. Note: NavData for all units may not be available 10 days prior to the effective date. If data for your unit isn’t available yet, please check back at regular intervals. All data files will be available by the effective date. Cycle Number Download Availability Effective Date 1901 Dec. 25, 2018 Jan. 03 1902 Jan. 22 Jan. 31 1903 Feb. 19 Feb. 28 1904 Mar. 19 Mar. 28 1905 Apr. 16 Apr. 25 1906 May 14 May 23 1907 June 11 June 20 1908 July 09 July 18 1909 Aug. 06 Aug. 15 1910 Sep. 03 Sep. 12 1911 Oct. 01 Oct. 10 1912 Oct. 29 Nov. 07 1913 Nov. 26 Dec. 05 NavData: 2020 NavData provides the latest navigational data for your flight planning software and may also carry the latest version of the program. NavData Updates are available for download up to 10 days prior to the effective date. Note: NavData for all units may not be available 10 days prior to the effective date. If data for your unit isn’t available yet, please check back at regular intervals. All data files will be available by the effective date. Cycle Number Download Availability Effective Date 2001 Dec. 24, 2019 Jan. 02 2002 Jan. 21 Jan. 30 2003 Feb. 18 Feb. 27 2004 Mar. 17 Mar. 26 2005 Apr. 14 Apr. 23 2006 May 12 May 21 2007 June 09 June 18 2008 July 07 July 16 2009 Aug. 04 Aug. 13 2010 Sep. 01 Sep. 10 2011 Sep. 29 Oct. 08 2012 Oct. 27 Nov. 05 2013 Nov. 24 Dec. 03 2101 Dec. 22 Dec. 31 Digital Terminal Charts: 2019 The following tables show the issue dates for terminal chart update cycles. Note: Terminal chart Internet downloads are typically available 48 hours before the issue date. Cycle Number Download Availability Issue Date 01-2019 Jan. 08 Jan. 11 02-2019 Jan. 22 Jan. 25 03-2019 Feb. 05 Feb. 08 04-2019 Feb. 19 Feb. 22 05-2019 Mar. 05 Mar. 08 06-2019 Mar. 19 Mar. 22 07-2019 Apr. 02 Apr. 05 08-2019 Apr. 16 Apr. 19 09-2019 Apr. 30 May 03 10-2019 May 14 May 17 11-2019 May 28 May 31 12-2019 June 11 June 14 13-2019 June 25 June 28 14-2019 July 09 July 12 15-2019 July 23 July 26 16-2019 Aug. 06 Aug. 09 17-2019 Aug. 20 Aug. 23 18-2019 Sep. 03 Sep. 06 19-2019 Sep. 17 Sep. 20 20-2019 Oct. 01 Oct. 04 21-2019 Oct. 15 Oct. 18 22-2019 Oct. 29 Nov. 01 23-2019 Nov. 12 Nov. 15 24-2019 Nov. 26 Nov. 29 25-2019 Dec. 10 Dec. 13 26-2019 Dec. 24 Dec. 27 Digital Terminal Charts: 2020 The following tables show the issue dates for terminal chart update cycles. Note: Terminal chart Internet downloads are typically available 48 hours before the issue date. Cycle Number Download Availability Issue Date 01-2020 Jan. 07 Jan. 10 02-2020 Jan. 21 Jan. 24 03-2020 Feb. 04 Feb. 07 04-2020 Feb. 18 Feb. 21 05-2020 Mar. 03 Mar. 06 06-2020 Mar. 17 Mar. 20 07-2020 Mar. 31 Apr. 03 08-2020 Apr. 14 Apr. 17 09-2020 Apr. 28 May 01 10-2020 May 12 May 15 11-2020 May 26 May 29 12-2020 June 09 June 12 13-2020 June 23 June 26 14-2020 July 07 July 10 15-2020 July 21 July 24 16-2020 Aug. 04 Aug. 07 17-2020 Aug. 18 Aug. 21 18-2020 Sep. 01 Sep. 04 19-2020 Sep. 15 Sep. 18 20-2020 Sep. 29 Oct. 06 21-2020 Oct. 13 Oct. 16 22-2020 Oct. 27 Oct. 30 23-2020 Nov. 10 Nov. 13 24-2020 Nov. 24 Nov. 27 25-2020 Dec. 08 Dec. 11 26-2020 Dec. 22 Dec. 25