Garmin GNS 430 - Manual (Page 88)

GNS 430(A) Pilot’s Guide and Reference 190-00140-00 Rev. P
SECTION 6
PROCEDURES
6-6
Flying the Procedure Turn
Figure 6-12 Sample Approach with Procedure Turn
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DO NOT USE FOR
NAVIGATION
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Refer to Figure 6-12 for the following steps:
1) Within 30 nm of the destination airport, the
GNS 430 switches from ‘enroute’ mode to
‘terminal’ mode (as indicated in the lower left
corner of the screen). The switch to terminal
mode is accompanied by a gradual Course
Deviation Indicator (CDI) scale transition from
5.0 to 1.0 nm, full scale deflection (Figure
6-13).
Figure 6-13 CDI Scale at 1.0 nm
2) Several miles prior to reaching the IAF (LYH),
the pilot may wish to review the approach
sequence. Press the FPL Key to display the
Active Flight Plan Page. Press the small right
knob, and then turn the large right knob to
review each segment of the approach (Figure
6-14). When finished, press the FPL Key again
to return to the previous page.
Figure 6-14 Active Flight Plan Page
3) When approaching the IAF (LYH), a waypoint
alert (‘NEXT DTK 205°’) appears in the lower
right corner of the screen (Figure 6-15). As
the distance (DIS) to the IAF approaches zero,
the alert is replaced by a turn advisory (‘TURN
TO 205°’). Dial the outbound course of 205°
into the CDI (or HSI) using the OBS knob.