5 - PROCEDURES104DO NOT USE FORNAVIGATIONFlagstaff (AZ) PulliamILS DME Rwy 214. A reminder message appears, indicating thatGPS can only be used for approach monitor-ing. As mentioned, you will need to use theVLOC receiver for this approach. Press ENT toacknowledge the message.When you “Load?” (or “Activate?”) an ILS approach,the ILS frequency is automatically placed in the standbyfield of the VLOC window. To use this frequency, simplypress the VLOC flip-flop key to place it in the activefrequency field.Flying the ILS ApproachWhen you “Activate?” an ILS approach, automaticswitching of the external CDI is enabled (unless turnedoff from the CDI/Alarms Page). When you are establishedon the inbound course to the FAF, the external CDIguidance will automatically switch from “GPS” (shownin green text) to “VLOC” (shown in white text). If youhave forgotten to activate the ILS frequency (step #4 below),automatic selection of “VLOC” will not occur.1. Within 31 nautical miles of KFLG, the GNS430W will switch from en route mode to termi-nal mode and the CDI scale will transition from2.0 to 1.0 nautical miles, full scale deflection.2. If you haven’t already activated the approach(in steps on previous page), be sure to do sowhen cleared for the approach.3. As you approach the IAF (SHUTR), a waypointalert (“LT TO 030° x S”) will appear in the lowerright corner of the screen.4. If you haven’t already done so, press the VLOCflip-flop key to activate the ILS frequency. Ifyou forget this step, the GNS 430W will displaya reminder message (within 2 NM of the FAF)to activate the ILS frequency.ILS Approach 430W Only
