GNC 420(A) Pilot’s Guide and Reference
SECTION 6
PROCEDURES
6-12
NOTe: if the pilot needs to lose extra altitude or
speed by going around the holding pattern again,
press the
OBS
Key to manually suspend waypoint
sequencing before crossing the holding waypoint
the second time. if this waypoint has already
been passed, re-activate the holding pattern
using the steps described in Section 5.2.
DO NOT USE FOR
NAVIGATION
Figure 6-33 Approach Mode
Refer to Figure 6-33 for the following steps.
11) When approaching BODRY intersection, a
waypoint alert (’NEXT DTK 209°’) appears in
the lower right corner of the screen (Figure
6-34).
Figure 6-34 Waypoint Alert
12) At 2.0 nm from the FAF (DEPOY intersection),
the GNC 420 switches from terminal mode to
approach mode. CDI scaling is tightened from
1.0 to 0.3 nm, full scale deflection.
190-00140-20 Rev. K
Summary of Contents for GNC 420A
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