Garmin Flight Deck 100 Marine Instruments User Manual


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190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
461
AUTOMATIC FLIGHT CONTROL SYSTEM
VERTICAL NAVIGATION MODES (VPTH, ALTV)
NOTE: VNV is disabled when parallel track or Dead Reckoning Mode is active. Refer to the flight Management
Section for more information on VNV flight plans.
NOTE: The Selected Altitude takes precedence over any other vertical constraints.
Vertical Navigation (VNV) flight control is available for enroute/terminal cruise and descent operations when
VNV flight planning is available. Conditions for availability include, but are not limited to:
•TheselectednavigationsourceisGPS.
•AVNVightplan(withatleastonealtitude-constrainedwaypoint)ordirect-to(withverticalconstraint)is
active.
•VNVisenabled(VNV ENBLSoftkeypressedontheMFD).
•Crosstrackerrorisvalidandwithincertainlimits.
•Desired/actualtrackarevalidortrackangleerroriswithincertainlimits.
•TheVNVTargetAltitudeoftheactivewaypointisnomorethan250ftabovethecurrentaircraftaltitude.
•Paralleltrackisnotactive.
The flight director may be armed for VNV at any time, but no target altitudes are captured during a climb.
TheCommandBarsprovideverticalproleguidancebasedonspeciedaltitudes(enteredmanuallyorloaded
from the database) at waypoints in the active flight plan or direct-to (with vertical constraint). The appropriate
VNVightcontrolmodesaresequencedbytheightdirectortofollowthepathdenedbytheverticalprole.
UponreachingthelastwaypointintheVNVightplan,theightdirectortransitionstoAltitudeHoldMode
and cancels any armed VNV modes.
VERTICAL PATH TRACKING MODE (VPTH)
NOTE: If another vertical mode key is pressed while Vertical Path Tracking Mode is selected, Vertical Path
Tracking Mode reverts to armed.
NOTE: Pressing the CWS Button while Vertical Path Tracking Mode is active does not cancel the mode. The
autopilot guides the aircraft back to the descent path upon release of the CWS Button.
Whena verticalprole(VNVight plan)is activeand theVNVKey ispressed,Vertical PathTracking
Modeisarmedinpreparationfordescentpathcapture.‘VPTH’(or‘/V’whenGlidepathorGlideslopeMode
isconcurrentlyarmed)isannunciatedinwhiteinadditiontopreviouslyarmedmodes.Ifapplicable,the
appropriate altitudecapturemodeisarmedforcaptureofthenextVNV Target Altitude (ALTV) or the Selected
Altitude (ALTS), whichever is greater.
Figure 7-13 Vertical Path Tracking Armed Annunciations
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