Pilot's Guide

190-00663-02 Rev. B
Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi
417
AUTOMATIC FLIGHT CONTROL SYSTEM
VNV TARGET ALTITUDE CAPTURE MODE (ALTV)
NOTE: Armed VNV Target Altitude and Selected Altitude capture modes are mutually exclusive. However,
Selected Altitude Capture Mode is armed implicitly (not annunciated) whenever VNV Target Altitude Capture
Mode is armed.
VNVTargetAltitudeCaptureisanalogoustoSelectedAltitudeCaptureModeandisarmedautomatically
after the VNV Key is pressed and the next VNV Target Altitude is to be intercepted before the Selected
Altitude.Theannunciation‘ALTV’indicatesthattheVNVTargetAltitudeistobecaptured.VNVTarget
Altitudes are shown in the active flight plan or vertical direct-to, and can be entered manually or loaded
fromadatabase(seetheGPSNavigationSectionfordetails).Atthesametimeas“TODwithin1minute”
isannunciatedintheNavigationStatusBox,theactiveVNVTargetAltitudeisdisplayedabovetheVertical
SpeedIndicator(seeFigure7-18).
As the aircraft nears the VNV Target Altitude, the flight director automatically transitions to VNV Target
AltitudeCaptureModewithAltitudeHoldModearmed.Thisautomatictransitionisindicatedbythegreen
‘ALTV’annunciationashingforupto10secondsandtheappearanceofthewhite‘ALT’annunciation.The
VNV Target Altitude is shown as the AltitudeReferencebesidethe‘ALTV’annunciationandremainsdisplayed
abovetheVerticalSpeedIndicator.TheRequiredVerticalSpeedIndication(RSVI)isremovedonceVNV
TargetAltitudeCaptureModebecomesactive.
At 50feetfrom theVNV TargetAltitude, the ight directorautomatically transitions fromVNV Target
AltitudeCapturetoAltitudeHoldModeandtracksthelevelleg.AsAltitudeHoldModebecomesactive,the
white‘ALT’annunciationmovestotheactiveverticalmodeeldandashesgreenfor10secondstoindicate
theautomatictransition.TheightdirectorautomaticallyarmsVerticalPathTracking,allowingupcoming
descent legs to be captured and subsequently tracked.
Figure 7-21 Automatic Mode Transitions During Altitude Capture
Flash up to 10 sec, Indicating Automatic Transition
Altitude Reference (In This Case,
Equal To VNV Altitude Target)
changing the vnv target altitUDe
NOTE: Pressing the CWS Button while in VNV Target Altitude Capture Mode does not cancel the mode.
ChangingthecurrentVNVTargetAltitudewhileVNVTargetAltitudeCaptureModeisactivecausesthe
ightdirectortoreverttoPitchHoldMode.VerticalPathTrackingandtheappropriatealtitudecapture
mode are armed in preparation to capture the new VNV Target Altitude or the Selected Altitude, depending
on which altitude is to be intercepted first.
VNVtargetaltitudescanbechangedwhileeditingtheactiveightplan(seetheGPSNavigationSection
for details).