NextGen
NextGen
Current System
Primary Radar Creates blip on Radar ScreenSecondary Radar
Aircraft encodes identifier and telemetry dataVHF Radio Voice
CommunicationsSurveillance RadarATC Radar ScreenATCO
Goals Remain the Sameqwqq[[[AviateNavigateSeparate
NextGen: Using 21st Century Technology to:Increase
CapacityIncreasing Airport/Airspace CapacityReducing complexity for
Air Traffic ControllersSimplify CommunicationReduce Maintenance
CostsImprove Environmental ImpactMaintain or Improve Traditional
Safety Standards
Increase Capacity: BuildBuild More Runways: reduce bottleneck
for takeoffs and landingsOpen up additional Airspace
Increase Capacity: UtilizationReduce Distance between following
AircraftUse Required Navigation Precision (RNP) Automatic-
Dependent Surveillance Broadcast to provide ATC exact aircraft
locationCockpit Display of Traffic (CDTI)Digital
CommunicationsReduce Distance for Aircraft on Parallel tracksUse
Required Navigation Precision (RNP) Automatic- Dependent
Surveillance Broadcast to provide ATC exact aircraft
locationDigital Communications
Increase Capacity: CoordinationEliminate unused slots by
coordinating flowSpacing and mergingSuper dense operationsUtilize
digital communications
Increase Capacity: Reduce ATC ComplexityMore Accurate Aircraft
LocationUse Relative Position Indicator (RPI) to merge arrival
flows, sequence and space aircraftAutomated Terminal Proximity
Alert (ATPA) to help monitor final approachConverging Runway
Display Aid (CRDA) uses visual runway spacing cues on converging
runways to aid in spacingADS-BReduces uncertaintyDigital
CommunicationsReduces uncertainty or need to re-transmitReduces
Routing information errors
Reduce Maintenance CostsRadar network spread across the
continentMaintenance of actual radarBuild/maintain roads to remote
locationsBuild/maintain facilities in remote locationsAging
Infrastructure
Improve Environmental Impact Use of 4-D to make orchestration
more optimalEfficiently moving traffic reducesNoiseFuel burnFlying
at higher altitudesReduces fuel burn and pollution
ChallengesTechnology CycleHow do we integrate a system of
systems that is constantly changingWho incurs the cost and
when?Needed capability managing new and old systemIncremental
capability start easy and move on
