Garmin G1000 PDAs & Smartphones User Manual


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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
423
HAZARD AVOIDANCE
6.12 ADS-B TRAFFIC
TheAutomaticDependentSurveillance-Broadcast(ADS-B)Trafcfunctionallowsyoutoviewothertrafcin
thearea,whenaGDL90datalinkradioisinstalled.
Figure 6-177 ADS-B System
ADS-Bisasurveillancetechnologybeingdeployedinselectedareas.ADS-Bbroadcastsaradiotransmission
approximatelyoncepersecondcontainingtheaircraft’sposition,velocity,identication,andotherinformation.
ADS-Bcanalsoreceivereportsfromothersuitablyequippedaircraftwithinreceptionrange.Additionally,these
broadcastscanbereceivedbyGroundBasedTransceivers(GBTs)andusedtoprovideairtrafcsurveillance
services.NogroundinfrastructureisnecessaryforADS-Bequippedaircrafttodetecteachother.
IntheUnitedStates,twodifferentdatalinkshavebeenadoptedforusewithADS-B:1090MHzExtended
Squitter(1090ES)andtheUniversalAccessTransceiver(UAT).TheGDL90isaUniversalAccessTransceiver
(UAT).TheUATlinkisintendedforusebyaircraftthatprimarilyoperateat18,000feetandbelow.TheUAT
linksupportsFlightInformationServices-Broadcast(FIS-B).
ADS-Benablesimprovedsurveillanceservices,bothair-to-airandair-to-ground,especiallyinareaswhere
radarisineffectiveduetoterrainorwhereitisimpracticalorcostprohibitive.Initialapplicationsofair-to-air
ADS-Barefor“advisory”useonly,enhancingapilot’svisualacquisitionofothernearbyequippedaircrafteither
when airborne or on the airport surface.
ADS-Bisintendedtobeusedbothin-ightandontheairportsurface.ADS-Bsystemsshouldbeturned“on”
--andremain“on”--wheneveroperatingintheairandontheairportsurface,unlessachangeto“standby”
wasrequestedbyATC.
TheADS-BcockpitdisplayoftrafcisNOTintendedtobeusedasacollisionavoidancesystemanddoes
notrelievethepilot’sresponsibilityto“seeandavoid”otheraircraft.ADS-Bshallnotbeusedforavoidance
maneuversduringIMCorothertimeswhenthereisnovisualcontactwiththeothertargetaircraft.ADS-Bis
intendedonlytoassistinvisualacquisitionofotheraircraft.No avoidance maneuvers are provided for, nor
authorized, as a direct result of an ADS-B target being displayed in the cockpit.
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