Cockpit Reference Guide

190-00763-02 Rev. A
Garmin G1000 Pilot’s Guide for the Piper PA-46 Meridian
379
HAZARD AVOIDANCE
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
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intheterrainannunciationwindowoftheMFD
(Figure6-96).
Figure 6-96 TAWS Alerting Disabled (TAWS
Inhibited) Annunciation
Inhibiting/enabling TAWS-B alerting:
1) Select the TAWS-B Page.
2) Select 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 that the aircraft is
500feetaboveterrainorthedestinationrunwayelevation.Whentheaircraftreachesthisaltitude,theaural
message“Five-hundred”isgenerated.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.
NCRalertsaretriggeredbyeitherexcessivealtitudeloss(Figure6-97)orsinkrate(Figure6-98).Theaural
message“Don’tSink”or“TooLow,Terrain”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5nmorless
•Headingchangefromthedepartureheadingislessthan110degrees
Figures6-97and6-98showtheNCRalertingparametersasdenedbyTSO-C151b