Database Release Schedule
Updates for your subscription areas are distributed on a 28-day cycle and are available to either be shipped directly to your location, or conveniently downloaded from UniNet approximately 14 days prior to the effective date.
| Cycle |
Approximate Release Date |
Effective Date |
| |
| 1812 |
25-Oct-2018 |
8-Nov-2018 |
| 1813 |
22-Nov-2018 |
6-Dec-2018 |
| 1901 |
20-Dec-2018 |
3-Jan-2019 |
| 1902 |
17-Jan-2019 |
31-Jan-2019 |
| 1903 |
14-Feb-2019 |
28-Feb-2019 |
| 1904 |
14-Mar-2019 |
28-Mar-2019 |
| 1905 |
11-Apr-2019 |
25-Apr-2019 |
| 1906 |
9-May-2019 |
23-May-2019 |
| 1907 |
6-Jun-2019 |
20-Jun-2019 |
| 1908 |
4-Jul-2019 |
18-Jul-2019 |
| 1909 |
1-Aug-2019 |
15-Aug-2019 |
| 1910 |
29-Aug-2019 |
12-Sep-2019 |
| 1911 |
26-Sep-2019 |
10-Oct-2019 |
| 1912 |
24-Oct-2019 |
7-Nov-2019 |
| 1913 |
21-Nov-2019 |
5-Dec-2019 |
| 2001 |
19-Dec-2019 |
2-Jan-2020 |
| Cycle |
Approximate Release Date |
Effective Date |
| |
| 1812 |
25-Oct-2018 |
8-Nov-2018 |
| 1813 |
22-Nov-2018 |
6-Dec-2018 |
| 1901 |
20-Dec-2018 |
3-Jan-2019 |
| 1902 |
17-Jan-2019 |
31-Jan-2019 |
| 1903 |
14-Feb-2019 |
28-Feb-2019 |
| 1904 |
14-Mar-2019 |
28-Mar-2019 |
| 1905 |
11-Apr-2019 |
25-Apr-2019 |
| 1906 |
9-May-2019 |
23-May-2019 |
| 1907 |
6-Jun-2019 |
20-Jun-2019 |
| 1908 |
4-Jul-2019 |
18-Jul-2019 |
| 1909 |
1-Aug-2019 |
15-Aug-2019 |
| 1910 |
29-Aug-2019 |
12-Sep-2019 |
| 1911 |
26-Sep-2019 |
10-Oct-2019 |
| 1912 |
24-Oct-2019 |
7-Nov-2019 |
| 1913 |
21-Nov-2019 |
5-Dec-2019 |
| 2001 |
19-Dec-2019 |
2-Jan-2020 |
The TAWS & Vision-1 Terrain Databases are updated as-needed. The most recent release is 1401, effective 21 Oct 2014 as described in
SB3630.
The TAWS Obstacle Databases are released four times per year, approximately every 84 days.
| Release Number |
Approximate Release Date |
Effective Date |
| |
| 1805 |
6-Dec-2018 |
6-Dec-2018 |
| 1901 |
28-Feb-2019 |
28-Feb-2019 |
| 1902 |
23-May-2019 |
23-May-2019 |
| 1903 |
15-Aug-2019 |
15-Aug-2019 |
| 1904 |
7-Nov-2019 |
7-Nov-2019 |
| 2001 |
30-Jan-2020 |
30-Jan-2020 |
InSight Nav Reference, Obstacle & AMDB
Updates for your subscription areas are distributed on a 28-day cycle and are available for download approximately 14 days prior to the effective date. Databases are downloaded using the Data Download Tool (DDT).
| Cycle |
Approximate Release Date |
Effective Date |
| |
| 1812 |
25-Oct-2018 |
8-Nov-2018 |
| 1813 |
22-Nov-2018 |
6-Dec-2018 |
| 1901 |
20-Dec-2018 |
3-Jan-2019 |
| 1902 |
17-Jan-2019 |
31-Jan-2019 |
| 1903 |
14-Feb-2019 |
28-Feb-2019 |
| 1904 |
14-Mar-2019 |
28-Mar-2019 |
| 1905 |
11-Apr-2019 |
25-Apr-2019 |
| 1906 |
9-May-2019 |
23-May-2019 |
| 1907 |
6-Jun-2019 |
20-Jun-2019 |
| 1908 |
4-Jul-2019 |
18-Jul-2019 |
| 1909 |
1-Aug-2019 |
15-Aug-2019 |
| 1910 |
29-Aug-2019 |
12-Sep-2019 |
| 1911 |
26-Sep-2019 |
10-Oct-2019 |
| 1912 |
24-Oct-2019 |
7-Nov-2019 |
| 1913 |
21-Nov-2019 |
5-Dec-2019 |
| 2001 |
19-Dec-2019 |
2-Jan-2020 |
The terrain database is released every 84 days. The contents are updated only as-needed, therefore download times will vary.
| Release Number |
Approximate Release Date |
Effective Date |
| |
| 1901 |
21-Mar-2019 |
28-Jan-2015 |
| 1902 |
13-Jun-2019 |
28-Jan-2015 |
| 1903 |
5-Sep-2019 |
28-Jan-2015 |
| 1904 |
28-Nov-2019 |
28-Jan-2015 |
| 2001 |
20-Feb-2020 |
28-Jan-2015 |
For the Jeppesen eChart Release Schedule see the "Terminal Chart Issue Date" section of their NavData Update and Effectivity Schedule.