6-2Garmin GTN 725/750 Pilot’s Guide 190-01007-03 Rev. DForewordGettingStartedAudio &Xpdr CtrlCom/NavFPLDirect-ToProcChartsWpt InfoMapTrafflcTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndex6.1 Basic Approach OperationsThe GTN 7XX provides precision vertical guidance as well as lateral and advi-sory vertical guidance using its built in GPS receiver for GPS or RNAV approaches.The moving map pages can also be used as a supplemental aid to situationalawareness for ILS, VOR, and NDB approaches (and non-precision localizer-basedapproaches), but the appropriate radio navigational aid MUST be used for primaryapproach course guidance for non-GPS approaches.Approaches designed specifically for GPS are often very simple and don’t requireoverflying a VOR or NDB. Currently, many non-precision approaches have “GPSoverlays” to let you fly an existing procedure (VOR, VOR/DME, NDB, etc.) moreaccurately using GPS.Many overlay approaches are more complex (in comparison to GPS-onlyapproaches). The GTN 7XX displays and guides you through each leg of theapproach — automatically sequencing through each of these legs, up to the missedapproach point (MAP). Approaches may be flown “as published” with the fulltransition — using any published feeder route or initial approach fix (IAF) — ormay be flown with a vectors-to-final transition.Phase of flight annunciations are provided on the bottom of the display indi-cating the current mode of flight.Procedures are arranged around the existing flight plan in the following order:Departure, En Route, Arrival, and Approach. For example, Departure waypointsare inserted before the En Route waypoints in the flight plan and Arrival waypointsare inserted between the En Route waypoints and the approach waypoints. Alwaysverify that the transition waypoints between each phase are correct.
