AeroNav 900/880 Series Pilot's Guide
WATERMARKING / EXPIRED DATA
Charts that have been expired for 60 or more days will still be
displayed and readable indefinitely but a watermark "Not for
Navigation" will be depicted on each chart. The flight plan will not be
overlaid on expired charts.
Expired Chart - Watermark
UPDATING CHARTS
Procedures for updating Charts are described on page 7-55.
89000039-010
4-66 Map Subsystem
Rev 1 May 2019