Update Cycle Dates and Effective Dates Jeppesen NavData: 2026 Cycle Cycle Effective 2513 25-Dec-25 2601 22-Jan-26 2602 19-Feb-26 2603 19-Mar-26 2604 16-Apr-26 2605 14-May-26 2606 11-Jun-26 2607 09-Jul-26 2608 06-Aug-26 2609 03-Sep-26 2610 01-Oct-26 2611 29-Oct-26 2612 26-Nov-26 2613 24-Dec-26 Digital Terminal Charts: 2026 Cycle Number Issue Date 25-2025 05-Dec-25 26-2025 19-Dec-25 01-2026 02-Jan-26 02-2026 16-Jan-26 03-2026 30-Jan-26 04-2026 13-Feb-26 05-2026 27-Feb-26 06-2026 13-Mar-26 07-2026 27-Mar-26 08-2026 10-Apr-26 09-2026 24-Apr-26 10-2025 08-May-26 11-2026 22-May-26 12-2026 05-Jun-26 13-2026 19-Jun-26 14-2026 03-Jul-26 15-2026 17-Jul-26 16-2026 31-Jul-26 17-2026 14-Aug-26 18-2026 28-Aug-26 19-2026 11-Sep-26 20-2026 25-Sep-26 21-2026 09-Oct-26 22-2026 23-Oct-26 23-2026 06-Nov-26 24-2026 20-Nov-26 25-2026 04-Dec-26 26-2026 18-Dec-26 Garmin Database Update Schedule View on Garmin.com