AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6FAA APPROVED Page 1Section 1. General1.1 Garmin GTN NavigatorsThe Garmin GTN navigation system is a GPS system with a Satellite BasedAugmentation System (SBAS), comprised of one or more Garmin TSO-C146cGTN 625, 635, 650, 725, or 750 navigator(s) and one or more Garmin approvedGPS/SBAS antenna(s). The GTN navigation system is installed in accordancewith AC 20-138A.GTN 625GTN 635GTN 650GTN 725GTN 750GPS SBAS Navigation:x Oceanic, enroute, terminal, and non-precisionapproach guidancex Precision approach guidance (LP, LPV)X X X X XVHF Com Radio, 118.00 to 136.990, MHz, 8.33 or 25kHz increments X X XVHF Nav Radio, 108.00 to 117.95 MHz, 50 kHzincrements X XLOC and Glideslope non-precision and precisionapproach guidance for Cat 1 minimums, 328.6 to 335.4MHz tuning rangeX XMoving map including topographic, terrain, aviation, andgeopolitical data X X X X XDisplay of datalink weather products, SiriusXM, FIS-B,Connext (all optional) X X X X XControl and display of airborne weather radar (optional) X XDisplay of terminal procedures data (optional) X XDisplay of traffic data, including ADS-B (optional) X X X X XDisplay of StormScope® data (optional) X X X X XDisplay of marker beacon annunciators (optional) X* X* X* X XRemote audio panel control (optional) X XRemote transponder control (optional) X X X X XRemote audio entertainment datalink control (optional) X X X X XTSO-C151c Class B TAWS (optional) X X X X XSupplemental calculators and timers X X X X XControl of GSR 56 Iridium Satellite Phone and SMS Text X X X X XControl of Flight Stream 210 (optional) X X X X XControl of Flight Stream 510 (optional) X X X X X* Display of marker beacon annunciations on the GTN 6XX is only possible when installed with aGarmin GMA 350 audio panel.Table 1 – GTN Functions