GARMIN GNS 400W/500W STC SERVICE BULLETIN NO.: 1474 Rev A GNS 400W/500W series products and Flight Stream 210
November 24, 2014 STC SA01933LA-D 400W/500W Part 23 AML STC GNS v5.20 Software Update, Flight Stream 210 CERTIFICATION APPROVAL: STC SA01933LA-D MDL Revision J PRODUCTS AFFECTED GNS 400W/500W series products….
