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GNS 530(A) Pilot’s Guide and Reference
190-00181-00 Rev. E
SECTION 6
PROCEDURES
6-28
Flying the ILS Approach
When ‘Activate?’ is selected for an ILS approach,
automatic switching of the external CDI is enabled (unless
turned off from the CDI/Alarms Page). Once established
on the inbound course to the FAF, the external CDI
guidance automatically switches from ‘GPS’ (shown in
green text) to ‘VLOC’ (shown in white text). If the pilot
has forgotten to activate the ILS frequency (step 4 below),
automatic selection of ‘VLOC’ does not occur (refer to
Figure 6-65 for the following steps).
DO NOT USE FOR
NAVIGATION
Figure 6-65 Terminal Mode
1) Within 30 nm of KFLG, the GNS 530 switches
from enroute mode to terminal mode and the
CDI scale transitions from 5.0 to 1.0 nm, full
scale deflection.
2) If the approach has not yet been activated,
(in steps on the preceding page), do so when
cleared for the approach.
3) When approaching the IAF (SHUTR), a
waypoint alert (‘NEXT DTK 030°’) appears
along the bottom of the screen (Figure 6-66).
Figure 6-66 Waypoint Alert
4) Press the VLOC Flip-flop Key to activate the
ILS frequency. If this step is forgotten, the GNS
530 displays a reminder message (within 3 nm
of the FAF) to activate the ILS frequency.
5) As the distance (DIS) to the IAF approaches
zero, the alert is replaced by a turn advisory
(‘TURN TO 030°’).
6) Fly the outbound course.
7) Approximately one minute past SHUTR
intersection, the alert message ‘START PROC
TRN’ (Figure 6-67) appears along the bottom
of the screen (if the pilot has not yet begun the
procedure turn).