
5-12 Navigation
FMS HOOKS
There are shortcuts to accomplish typical FMS actions on the
FPL tab of the FMS page. The L4 LSK will present the most
appropriate selection from the table below based on the flight
state or scenario at the moment. Pressing the LSK or the soft key
label adjacent to the LSK will accomplish the action.
Displayed if either the next downpath approach in the flight
plan is preceded by a discontinuity (gap in flight plan) and
the aircraft is within 40 nm of the FAF OR the next leg of
the flight plan is the first leg of a published approach and
there is a discontinuity or a Vectors-To-Final arrival
selected.
Displayed when the active leg of the flight plan is part of a
published missed approach and you were conducting a
Vectors-To-Final approach. Selecting this option will
activate the first leg of the VTF approach (i.e. the leg into
the FAF). This option will not be displayed if you were
conducting a full published approach.
Displayed when the next leg of the flight plan is the first leg
of a published missed approach. Typically this occurs
immediately after the FAF. Pressing the LSK will activate
the published missed approach for that approach if it is in
the flight plan. Not pressing the button prior to reaching the
MAP results in guidance outbound from the MAP using the
same course as the final approach course.
Displayed when the active leg of the flight plan is a hold
and is not the last leg of the route. Pressing the LSK will
either command the FMS to continue the hold or exit it.
Displayed when the aircraft is within 5 nm of the FAF and
the next leg is a database procedure hold. Pressing the
LSK will sequence the active leg past the hold without
entering it when the aircraft reaches the FAF. The leg after
the hold will become active.
Displayed when there is no altitude source and the active
leg terminates at an altitude. Pressing the LSK upon
reaching the altitude is required to sequence to the next
leg.
Displayed for specific autopilots (e.g. KAP140, KFC225)
when the FMS determines it is time for the autopilot to be
in Approach mode but does not have any control or
knowledge of the actual autopilot state. This case is just a
prompt, and no pilot action must be taken on the IFD.
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