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Flight Plan
Waypoint
Sequencing
A flight plan will sequence to the next leg of the flight
plan as the aircraft crosses to the bisector that runs
through the “TO” waypoint. The bisector is defined
as the angle that is half of the angle between the
current leg and the next leg. When the unit is on
Hold, or there is no next leg, the bisector is
perpendicular to the inbound course to that waypoint.
See the section about Holding Patterns on page 24 for
more details on FROM/TO waypoints.
Note
If you manually select a leg that you have
already passed, the Apollo GX will
immediately sequence to the next leg.
In order to keep the Apollo GX from
immediately sequencing when such a leg is
selected, place your flight plan on hold by
pressing the OBS/HLD key prior to
selecting the leg. It is then necessary to
re-enable sequencing, by pressing the
OBS/HLD key again, when established
inbound on the desired leg.
9-20
Approach Basics (GX50/60)
A
(IAF)
B
(APPR)
C
(FAF)
D
(MAP)
Automatic waypoint sequencing
when crossing these lines (bisector
)
X
Y
Y
X
2
=Y