Garmin GNC 420AW GPS Receiver User Manual


 
5 - PROCEDURES
106
190-00356-00 Rev E
DO NOT USE FOR
NAVIGATION
Flagstaff (AZ) Pulliam
ILS DME Rwy 21

4. A reminder message appears, indicating that
GPS can only be used for approach monitor-
ing. As mentioned, you will need to use the
VLOC receiver for this approach. Press ENT to
acknowledge the message.
When you “Load?” (or “Activate?”) an ILS approach,
the ILS frequency is automatically placed in the standby
field of the VLOC window. To use this frequency, simply
press the VLOC flip-flop key to place it in the active
frequency field.
Flying the ILS Approach
When you “Activate?” an ILS approach, automatic
switchingoftheexternalCDIisenabled(unlessturned
offfromtheCDI/AlarmsPage).Whenyouareestablished
ontheinboundcoursetotheFAF,theexternalCDI
guidance will automatically switch from “GPS” (shown
ingreentext)to“VLOC”(showninwhitetext).If you
have forgotten to activate the ILS frequency (step #4 below),
automatic selection of “VLOC” will not occur.
NOTE: GPS level of service annunciations (LPV,
ENR, etc.) are not applicable to the external CDI
(or HSI) when VLOC is active.
1. Within 31 NM of KFLG, the GNS 430W will
switch from en route mode to terminal mode
and the CDI scale will transition from 2.0 to
1.0 NM, full scale deflection.
2. If you haven’t already activated the approach
(in steps on previous page), be sure to do so
when cleared for the approach.
3. As you approach the IAF (SHUTR), a waypoint
alert (“LT TO 030° x S”) will appear in the lower
right corner of the screen.
ILS Approach
430W Only