190-00498-07 Rev. A
Garmin G1000 Pilot’s Guide for Cessna Nav III
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS EIS AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE AFCS ADDITIONAL
FEATURES APPENDICES INDEX
391
HAZARD AVOIDANCE
PDAandFLTAauralandvisualalertscanbemanuallyinhibited.Discretionshouldbeusedwheninhibiting
TAWS-Band the system should be enabled when appropriate.  When TAWS-Bis inhibited, the alert
annunciation‘TAWSINH’isshownonthePFDandMFD(Figure6-149).
Figure 6-149 TAWS-B Alerting Disabled (TAWS-B
Inhibited) Annunciation
Inhibiting/enabling TAWS-B alerting:
1) Select the TAWS-B Page.
2) Press the INHIBIT Softkey to inhibit or enable TAWS (choice dependent on current state).
Or:
a) Press the MENU Key.
b) Select ‘Inhibit TAWS’ or ‘Enable TAWS’ (choice dependent on current state) and press the ENT Key.
IfTAWS-BalertsareinhibitedwhentheFinalApproachFixistheactivewaypointinaGPSSBASapproach,
a‘LOWALT’annunciationmayappearonthe PFDnexttotheAltimeterif thecurrentaircraftaltitudeisat
least164feetbelowtheprescribedaltitudeattheFinalApproachFix.SeetheFlightInstrumentsSectionfor
details.
FIVE-HUNDRED AURAL ALERT
Thepurposeoftheauralalertmessage“Five-hundred” is to provide an advisory alert of when the aircraft
descendstowithin500feetabovethe terrainorrunwaythreshold.When theaircraftiswithin5nmof an
airport, the “Five Hundred”auralalertisbasedonthenearestrunwaythresholdelevation.Whentheaircraft
ismorethan5nmofthenearestairport,the“Five Hundred” aural alert is based on the height above terrain
(asdeterminedbytheGPSaltitudeandTerrainDatabase).
Therearenodisplayannunciationsorpop-upalertsthataccompanytheauralmessage
NEGATIVE CLIMB RATE AFTER TAKEOFF ALERT (NCR)
TheNegative Climb Rate (NCR) After Takeoffalert(alsoreferredto as“AltitudeLoss AfterTakeoff”)
providesalertswhenthesystemdeterminestheaircraftislosingaltitude(closinguponterrain)aftertakeoff.
Theauralmessage“Don’tSink”isgivenforNCRalerts,accompaniedbyanannunciationandapop-upterrain
alertonthe display.NCRalerting isonly activewhen departingfroman airportand whenthe following
conditions are met:
•Heightabovetheterrainislessthan700feet
•Distancefromthedepartureairportis2nmorless
•Headingchangefromthedepartureheadingislessthan110degrees
Figures6-81and6-82showstheNCRalertingparametersasdenedbyTSO-C151b.