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RTCA DO 180:1990

RTCA DO 180:1990 Minimum Operational Performance Standards For Airborne Area Navigation Equipment Using Vor/dme Sensor Input Defines operational goals and applications and recommends standards and test procedures for airborne area navigation equipment (2D and 3D) using sensor inputs from a single collocated VOR/DME station.

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Table of Contents

Foreword
1.0Purposeandscope
1.1Introduction
1.2Systemcharacteristics
1.2.1Waypointdefinition
1.2.2Courseselection
1.2.2.1"TO-FROM"equipment
1.2.2.2"TO-TO"equipment
1.2.3Pathcomputation
1.2.4Coordinatesystems
1.2.5Aircraftpositioncomputation
1.2.6Navigationmodesandannunciation
1.2.7Stationselection
1.2.8VOR/DMElatitude/longitudesensors
1.2.9Lateralandverticalsteeringoutputs
1.2.10Holdingpatternmaneuvering
1.3Intendeduseandoperationalenvironment
1.3.1AreanavigationinthepresentATCsystem
1.3.2Historicalconsiderations
1.3.3Routewidthconsideration
1.3.3.1EnrouteRNAVroute
1.3.3.2EnrouteVORairwayroute
1.3.3.3Terminal
1.3.3.4Approach
1.3.4Postulatedairtrafficcontrolenvironment
1.3.5Operationalenvironmentassumptions
1.4Errorbudgets
1.4.1Errorbudget-2D
1.4.1.1VOR/DMEsensors
1.4.1.2Northreferenceeffects
1.4.2Errorbudget-VNAV
1.5Testprocedures
1.5.1Benchtests
1.5.2Environmentaltests
1.5.3Installedtests
1.5.4Operationaltests
1.6Definitionsofterms
2.0Equipmentperformancerequirementsandtest
procedures
2.1Generalrequirements
2.1.1Airworthiness
2.1.2Generalperformance
2.1.3Fireresistance
2.1.4Operationofcontrols
2.1.5Accessibilityofcontrols
2.1.6Sensorinterfaces
2.1.7Control/displaycapability
2.1.8Control/displayreadability
2.1.9Effectsoftest
2.1.10Maneuveranticipationanddirect-tofunction
2.1.11Displayupdaterate
2.22DRNAVfunctionalandaccuracyrequirements
-standardconditions
2.2.1Equipmentfunctionalrequirements
2.2.1.1Cross-trackdeviation
2.2.1.2Waypointdistancedisplay(outputdisplay)
2.2.1.3"TO-FROM"indication
2.2.1.4Courseselection
2.2.1.5Waypointandstationselection
2.2.1.6Waypointstorage
2.2.1.7Waypointorlegsequencing
2.2.1.8Positiondisplay
2.2.1.9Inputdataobservation
2.2.1.10Failure/statusindications
2.2.1.11Slantrangeerrorcorrection
2.2.1.12Equipmentcomputationalresponsetime
2.2.22Daccuracyrequirements
2.2.3Dynamictracking
2.2.4Trackingthroughshortoutages
2.3VNAVfunctionalandaccuracyrequirements-
standardconditions
2.3.1Equipmentfunctionalrequirements
2.3.1.1Waypointaltitude
2.3.1.2Verticalpathdeviation
2.3.1.3Verticalprofile
2.3.2VNAVaccuracyrequirements
2.4Equipmentperformance-environmental
conditions
2.4.1Temperatureandaltitudetests
2.4.1.1Operatinglowtemperaturetest
2.4.1.2Short-timeoperatinghightemperaturetest
2.4.1.3Operatinghightemperaturetest
2.4.1.4In-flightlossofcoolingtest
2.4.1.5Altitudetest
2.4.1.6Decompressiontest
2.4.1.7Overpressuretest
2.4.2Temperaturevariationtest
2.4.3Humiditytest
2.4.4Shocktests
2.4.4.1Operationalshocks
2.4.4.2Crashsafetyshocks
2.4.5Vibrationtest
2.4.6Explosionproofnesstest
2.4.7Waterproofnesstests
2.4.7.1Dripprooftest
2.4.7.2Sprayprooftest
2.4.7.3Continuoussteamprooftest
2.4.8Fluidssusceptibilitytests
2.4.8.1Spraytest
2.4.8.2Immersiontest
2.4.9Sandanddusttest
2.4.10Fungusresistancetest
2.4.11Saltspraytest
2.4.12Magneticeffecttest
2.4.13Powerinputtests
2.4.13.1Normaloperatingconditions
2.4.13.2Abnormaloperatingconditions
2.4.14Voltagespikeconductedtest
2.4.14.1CategoryArequirements
2.4.14.2CategoryBrequirements
2.4.15Audiofrequencyconductedsusceptibilitytest
2.4.16Inducedsignalsusceptibilitytest
2.4.17Radiofrequencysusceptibilitytest(radiated
andconducted)
2.4.18Emissionofradiofrequencyenergytest
2.4.19Lightninginducedtransientsusceptibility
2.5Equipmenttestprocedures
2.5.1Definitionsoftermsandconditionsoftests
2.5.2Testprocedures
2.5.2.1Crossreference
2.5.32DRNAVfunctionalandaccuracyrequirements
-standardconditions
2.5.3.1Statictests
2.5.3.2Dynamictests
2.5.4VNAVfunctionalandaccuracyrequirements-
standardconditions
2.5.4.1Statictests
2.5.4.2Dynamictests
3.0Installedequipmentperformance
3.1Equipmentinstallation
3.1.1Accessibility
3.1.2Displayvisibility
3.1.3Interferenceeffects
3.1.4Inadvertentturnoff
3.2Installedequipmentperformancerequirements
3.2.1Generalperformancerequirements
3.2.1.1Cross-trackdeviationdisplay
3.2.1.2Verticalpathdeviationdisplay
3.2.1.3Lateralmaneuveranticipation
3.2.1.4Automaticlateralchange
3.2.1.5Direct-tofunction
3.2.1.6Verticalmaneuveranticipation
3.2.1.7Automaticaltitudechange
3.2.1.8Displayofselectedwaypoint
3.2.2Installedaccuracy
3.2.2.1Background
3.2.2.2Standarderrorbudget
3.2.2.3Systemerrortradeoffs
3.3Conditionsoftest
3.3.1Powerinput
3.3.2Associatedequipmentorsystems
3.3.3Environment
3.3.4Adjustmentofequipment
3.3.5Warm-upperiod
3.4Testproceduresforinstalledequipment
performance
3.4.1Groundtestprocedures
3.4.1.1Conformityinspection
3.4.1.2Equipmentfunction
3.4.1.3Interferenceeffects
3.4.1.4Powersupplyfluctuations
3.4.1.5Equipmentaccessibility
3.4.2Flighttestprocedures
3.4.2.1Displayeddatareadability
3.4.2.2Interferenceeffects
3.4.2.3Flightdemonstration
3.4.2.4Simulatordemonstration
4.0Operationalcharacteristics
4.1Requiredoperationalcharacteristics
4.1.1Powerinput
4.1.2Navigationdisplays
4.1.3Navigationcontrols
4.1.4Systemoperationalintegrity
4.1.5Equipmentoperatinglimitations
4.2Testproceduresforoperational
characteristics
4.2.1Powerinput
4.2.2Navigationdisplays
4.2.3Navigationcontrols
4.2.4Systemoperationalintegrity
Membership
Appendices
APostulatedareanavigationoperationalenvironment
definition
BAcceptabletrade-offtechniquesfordetermining
systemsperformance
CGlossaryoftermsfornavigationfunctions
DGreatcirclecoursecomputations
EImplementingepochyearmagneticvariationvalues
FAcceptableproceduraltechniquesforlateral
maneuveranticipation

Abstract

Defines operational goals and applications and recommends standards and test procedures for airborne area navigation equipment (2D and 3D) using sensor inputs from a single collocated VOR/DME station.

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