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Chapter6ApproachChartsChapter6ApproachCharts§6.1Introduction§6.2LayoutandInformation§6.3Non-PrecisionApproac
hes§6.4PrecisionApproach§6.5Straight-InApproaches§6.6ApproacheswithReversals§6.7RacetrackProcedure§6.8Circling
Approaches§6.9MissedApproaches§6.10RNAVApproachesChapter6ApproachChartsApproachchartsaregraphicrepresentationsofinstrumentappro
achesthatareavailableatagivenairport.Thestandardsusedindesigningtheseinstrumentapproachesaregovernedby
eachcountry’scontrollingcivilaviationadministration(CAA):•TERPS•PANS-OPS•JAROPS§6.1IntroductionWithbothpilotsandtheair
planeprepared,pilotscanbeginthepre-approachbriefing.Whenflyingwithacrew,thisbriefingaccomplishesatleastthreegoals:•Youinformyourfel
lowcrewmembersofhowyouplantoconducttheapproachandwhattheirexpectedresponsibilitiesare;•Yougivethemachancet
oprovideinputintoyourplan,catchingthingsyoumayhaveoverlooked,oraddingresponsibilities;•Thebriefingcanbeusedasa
checklisttomakesureradios/navaids/constraintshavebeenproperlyprogrammedintotheaircraft.Andifyouflysingle-
pilot,itisalsoarequirementtoreviewthechart,especiallyforsituationalawareness.§6.2LayoutandInformationJeppesen’sapproachchartsared
esignedbypilotsforpilots.ThedataplacementwithinJeppesenapproachchartsisbasedonobservedpilot-usagepatternsandincorporateshuman
factorsresearch,astandardpre-approachbriefingsequenceofinformation,andcrewresourcemanagement(CRM)techniques.Takeacloserlookatatypi
calJeppesenapproachcharttoseewhatinformationisprovided.•TheHeading•ThePlanView•ProfileView•LandingMinimum
sHeadingProfileViewPlanViewLandingMinimum§6.2.1HeadingThetopofaJeppesenapproachchartpresentsbasicapproachinformationinthesameorderinwhichy
ouwouldnormallybrieftheprocedurepriortoflyingit.TheformatisreferredtoastheBriefingStripformat.Developm
entofthebriefingstripconceptbeganin1993,andisnowahighlyrefinedvariationoftheoriginalclassicformat.Themainfeatureofthebriefings
triparrangementistoplacebasicinformationinacommonlocationformoreconvenientuseduringthepre-approachbriefing.Theinformationincharth
eadingincludes:•HeadingBorderData•CommunicationRow•Pre-ApproachBriefingStrip&MSA§6.2.1.1HeadingBorderDataHeadinginformation,locatedonthetopborder
ofeachJeppesenapproachchart,containsstandardinformationtohelpyouquicklyidentifyandretrievetheapproachtobebriefedandflown.•Loca
tionName•ProcedureIdentifier•ChartIndexNumber•ChartDate•AirportIdentifierandAirportNameThelocationnameistheba
sisforfilingthechartinalphabeticalsequenceinyourAirwayManual,andisthefirstinformationaccessedtoselectthecorrectchartfromthebinder.Thegeo
graphicallocationnameusedisgenerallythemajorcityservedbythecivilairport.LocationNameTheprocedureidentifierisacommonreferenceuse
dbyboththecontrollerandthepilottoensurebothunderstandwhatinstrumentapproachprocedureisexpected.ProcedureIdentifierL
ocationNameProcedureIdentifierOnJeppesenCharts,theprocedureidentifiersisnamedaccordingtotheNavaidswhichprovidesfina
lapproachnavigationguidance.LocationNameProcedureIdentifierApproachchartsaresequencedbythechartindexnumberfortherespectiveair
port.Thisnumberensuresthatallproceduretypesaregroupedtogetherforeachairport.Withinagroupofsimilarproceduretypes,briefingstripchartsaresequencedaccor
dingtorunwaynumber,lowesttohighest.ChartIndexNumberThechartindexnumberisusuallyathree-orfour-digitnumbe
renclosedinanovalatthetopofthechart.•TheFirstDigitrepresentstheairportnumberandisanarbitraryassignment.•T
heSecondDigitrepresentsthecharttype:0-Area,DP,SID,STAR,ClassB,etc.1-ILS,LOC,MLS,LDA(Localizer-typeDirectionalAid),SD
F(SimplifiedDirectionalFacility)2-RNAV3-VOR,VOR/DME4-TACAN5-RESERVED6-NDB7-Reserved8-PAR,ASR(airport/airfieldsurveillance
radar),Stand-AloneGPS9-VORDMERNAV,ChartedVisualFlightProcedures(CVFP)Thechartdatemaybeusedtoensurethatthechartselectediscorrectandcurrent.Eachchart
hasachartdateand,additionally,mayhaveaneffectivedate.Datesareexpressedintheformatofday,month,year.ChartDateRevisionDateEffectiveDateThefour-letter
airportidentifierisacombinationofanICAOregionaldesignationandairport’sgoverningagencydesignation.Thetree-letteridentifierisacombinationof
anIATA.Thenameoftheairportmaybeshortenedandcommonprefixesandsuffixesdeleted.AirportIdentifierandNameAirpor
tIdentifierAirportName§6.2.1.2CommunicationsRowThefirstcommunicationbox(es)containsthefrequencyforobtainingnoncontrolairportinforma
tionand/orweatherinformationfromsuchfacilitiesasATIS,ASOS,orAWOS.“D”indicatesthattheATISisadigitaltrans
mission.Noteaasterisk(*)indicatesthattheATISisoperationalonapart-timebasisonly.Directionaloraltitudelimitationsmaya
lsobeplacedontheuseofthefrequency.Forexample,ifthefrequencyuseisdefinedbyaVORradialormagneticbearing,you
mustonlyusethatfrequencywhenflyinginthespecifiedarea.§6.2.1.3Pre-flightApproachBriefingStrip&MSAThenextrowofinform
ationintheheadingareaarethepre-ApproachBriefingStripandMSAinformationrows.Theserowsincludethe:•Primarynavigationaid•F
inalapproachcoursebearing•Checkaltitudebox•Lowestminimumaltitude.DA(H)orMDA(H)•Airportelevatio
n•MinimumSafeAltitude(MSA)graphic•Missedapproachinstructions•Additionalnotes/AltimetersettinginformationPrimaryNaviga
tionAidFinalApproachCourseBearingCheckAltitudeBoxLowestMinimumAltitudeAirportElevationMSAMissedApproachAdditionalNotesCheckAlti
tudeBoxThecontentofthecheckaltitudeboxvariesdependingonthetypeofapproachyouareflying:•Onprecisionapproaches,i
tprovidesthecrossingaltitudeoftheglideslopeattheOM.•Onnon-precisionapproaches,itcontainsthealtitudeattheFAF.LowestMini
mumAltitudeThisaltitudemaybeexpressedasaDAorMDA,dependingonthetypeofapproach:•Foraprecisionapproach,thisboxcontainsthelowestDA(H),gen
erallybasedonastraight-inlandingwithallequipmentoperation.•Foranon-precisionapproach,itcontainsthelowestMDA(H)forthestraig
ht-inlanding.Theairportelevationisthehighestpointofanairport’susablerunways,whiletheTDZEisthehighestelevationinthefirst3,
000feetofthelandingsurface.TerpsPans-opsAirportElevationTheMSAindicatestheminimumaltitudeyoucanflythatwillprovideyouwithatleast1,000feetofobstruc
tionclearancewithinthegivenradiusofthefixorfacilitydesignatedbelowtheMSAcircle(whennotspecified,theradiusis25nauticalmiles).MSAm
ayalsoserveasahintforasafealtitudeincaseofanenginefailureduringtakeoffordepartureprocedures.MSAThecenteroft
heMSAisnormallythelocatoronILSorlocalizerapproaches,theVORonVORorVOR/DMEapproaches,andtheNDBonNDBapproaches.OnGPSapproaches,theMSAistypicallycent
eredonthelandingrunwaythreshold.TheMSAisnotmeantfornavigationpurposes.Itprovidesonlyobstructionclearancewithinthesectoranddoesnotguaranteenaviga
tionnorcommunicationcoverageattheMSAwithinthatarea.ItisdesignedforuseonlyinanemergencyorduringVFRflight,suchas
duringaVFRapproachatnight.MissedApproachInstructionsThereareatleastthreeplacesontheapproachinformationcanbefound.T
hefulltextualdescriptionofthemissedapproachprocedureisplacedinthepre-approachbriefingstriparea,sincetheentiremissedapproachpr
ocedureshouldbereviewedduringthepre-approachbriefing.Thisinformationcouldincluderequirementsforaltimetersettingunits,avionics,groundinstallati
onsystems,crewtraining,andmanyandvariedotherrequirementsuniquetoanapproachprocedure.AdditionalNotes/AltimeterSettingInformation§6.2.2Pl
anViewTheplanviewoftheinstrumentapproachchartisagraphicoverviewoftheapproachprocedure.Itisplacedontheapproachchartundertheheadingsecti
onforyoutouseasavisualplanningaid.Thesymbologyofplanviewhasbeendividedintofourmajorcategories:•Scale,TerrainandElevat
ionsymbols•Navaidsymbols•Flighttracksymbols•Airspacefixsymbols§6.2.2.1Scale,Topographical,andElevationSymb
olsScaleElevationMan-madestructureElevationNavaidSymbologyMissedApproachTrackContourProhibitiveArealongitudelatitudeApproachTrackFixScaleTheplanv
iewisdepictedtoscale.Tohelpyoumeasuredistance,amileagescaleislocatedalongtheleftsideofthechart.Normally,thiss
caleisoneinchequalsfivenauticalmiles(1inch=5nm).However,occasionallythelengthoftheapproachmayrequireadiff
erentscalefactortobeused.Theinstrumentapproachplanviewincludessome,butnotall,orientationdetails.Lakesorlargewaterareas,rivers,andae
ronauticallights/beaconsareallexamplesoforientationdetailsfoundintheplanview.TerrainSymbolsTerrainandMan-madestructures•A
boldarrowindicatesthehighestportrayedterrainhighpointorman-madestructuredepictedintheplanview.•Theelev
ationofthedepictedterrainhighpointsandman-madestructuresisreportedinfeetabovemeansealevelintheplanview.•Aninverted“”symbolwithadotrepresentsanunide
ntifiedman-madestructure.•Whenman-madeobjectsareknown,theyaredepictedwithspecificsymbolssuchasatowerorabuilding.TheIFRairportoflandi
ngisdepictedwithadiagramofitsrunwaysaccordingtoscale.Otherairportsthatfallwithintheplanviewandunderlietheinstrumentapproachar
ealsodepicted,asfollows:Airport§6.2.2.2NavaidSymbology•Navaidfacilities•Markerbeacons•FacilityinformationboxesNavigationFaci
lities•Frontcourse:TheInstrumentLandingSystem(ILS),Localizer(LOC),Localizer-typeDirctionalAid(LDA),SimplifiedDirectionalFa
cility(SDF),andMicrowaveLandingSystem(MLS)areallshownwithahalf-featheredarrowatrightsidealongtheapproachdirection.•BackCourseAlocalizerb
ackcourseapproachisindicatedbyahalf-solidarrowatleftsidealongtheapproachdirection.Thebackcourseisanavigationsignaltransmittedi
ntheoppositedirectionofthefrontcourse.•OffsetFacility:Anoffsetfacilityisdepictedwhenthelocalizerisnotalignedw
iththerunway.ItisoftenshownonSDForLDAapproachcharts.VOR&NDBMarkerBeaconsFacilityInformationBoxesInformationbox(es)withshadowmeansthatitis
usedasthemainnavaidwhenactingfinalapproach.§6.2.2.3FlightTrackSymbolsFlighttracksymbolsareusedtodepictthe:•Instrumentapproachprocedur
eflighttrack,includingthemissedapproachtrack;•Radials,includingleadradialsandcrossradials;•Bearingandcourses;•Approachtransitions,f
eederroutes,and/orarrivalroutes,includingdistancesandaltitudes;•Coursereversals,includingprocedureturns;•Holdin
gpatterns.FlightTrackApproachprocedureflighttrackMissedapproachtrackVisualflighttrackHighleveltrackMagneticBearingsandCoursesTrueCourseMagne
ticHeading(Routeswithoutradioaidsguidance)MagneticCourseRadialRadialRadialRadialApproachTransitionsApproachtransitionsp
rovideguidancetonavigatefromtheenrouteairwaysystemtotheinstrumentapproach.ApproachTransitionistoolong
ortoocomplexDMEArc&RNAVTransitionsMSAMSANoProcedureTurnRNAVTransitionMagneticBearingChangeRestrictionwithanInterse
ctionOffsetApproachTransitionIftransitionrouteistooshorttodenote,therelatedinformationisnotedwithinformationboxTooinformationtodenote,transitionro
utenotedwithnumber.Checkthedetailsinthespecificplace.CourseReversalsandProcedureTurnsHoldingPattern§6.2.2.4Ai
rspaceFixesFixes,reportingpointsandwaypointsareallgeographicalpositionsorlocationsthatmaybeusedfornavigationpurpos
esonanapproachprocedurecourse.•FixesandReportingPoints•Waypoints•ComputerNavigationFixes(CNFs)andDatabaseIdentifiersTherearebasicallytw
ocategoriesoffixes,reportingpoints,and/orwaypoints:FixesandReportingPointsDMEFixesWaypointsAwaypointisapredeterminedgeog
raphicalpositionusedforroute/instrumentapproachdefinition,progressreports,publishedVFRroutes,visualreportingpoin
ts,orpointsfortransitioningand/orcircumnavigatingcontrolledand/orspecialuseairspace.WaypointsaredefinedrelativetoaVORTAC,VOR
/DME,orGPS,orintermsoflatitude/longitudecoordinates.ComputerNavigationFixes(CNFs)andDatabaseIdentifiersApointusedf
orthepurposeofdefiningthenavigationtrackforanairbornecomputersystem(e.g.,GPSorFMS)iscalledaComputerNavigationFix(CNF).Beginningin1998,theU
nitedStatesandmanyothercountriesbeganassigningfive-letterCNFnamestopreviouslyunnamedairspacefixesandmileagebreakpointso
nDPs(departureprocedures),enrouteandarea,andstandardterminalarrivalcharts.§6.2.3ProfileViewTheprofileviewschematic
allyportraysasideviewoftheapproachprocedureflightpath.Itbeginsatthesamelocationastheplanviewandcontainsmanyofthesamesymbols;however,it
isnotdrawntoscale.Thesymbolsinprofileviewinclude:•Flighttracks,includingbearings,distances,times,missedapproachpoints,coursereversals
,stepdownfixes,visualdescentpoints,andVNAVconstantrateofdescent•Navaidsandwaypoints,includingmakersandfixe
s•Altitudes,includingtherecommendedaltitude/heightdescenttable•Conversiontable•Lightingandmissedapproachicons§6.2.3.1DescentFlightTracks(
non)PrecisionApproachGlideSlopeMLSGlidePathNon-precisionGlideSlopeHighlevelapproachtrackVisualflighttrackOutboundlimitedbyDMEOutboundlimitedbyTi
me§6.2.3.2AirspaceFixesTheflighttrackfromintermediateapproachcoursetofinalapproachcourseisdefinedbyMarkerBeacons,Fi
xes,WaypointsandNavaidsontheprofileview.FAF/FAPFixNavaidMAPForanonprecisionapproachprocedure,theFAFisindicatedontheprofileviewbyaM
alteseCross,ifspecifiedbythestatesource.FAF/FAPForaprecisionapproachprocedure,thefinalapproachsegmentstartsatthepointonthelocalizercoursewheretheglid
eslope/pathistobeinterceptedattheprescribedglideslopeinterceptionaltitude.ThispointiscalledtheFAFintheUnit
edStatesandCanada,andtheFAPunderICAOapplications.Again,theFAPisnotdepictedontheapproachchart.Stepdown
FixesManyapproachesincorporateoneormorestepdownfixesalongapproachsegmentstoallowyoutodescendtoalowera
ltitudeafteryouoverflyvariousobstales.Whenyoucannotidentifyastepdownfix,youmustleveloffattheminimumaltitudespecifiedforthatfix.O
nlyonestepdownfixnormallyispermittedbetweenthefinalapproachfixandthemissedapproachpoint.TheMAP(MissedApproachPoint)is
apointprescribedineachinstrumentapproachprocedureatwhichamissedapproachproceduremustbeexecutediftherequiredvisualreferencehasnotbeenachieved.MAPPrec
isionApproachMAPNonprecisionApproachMAPForprecisionapproaches,theMAPisthepointwhereyoureachtheDA(H),whiledescendi
ngontheglideslope.Youmustexecutethemissedapproachprocedureiftherequiredvisualreferencetocontinuetheapproachhasnotbeenestablished.Fo
rnonprecisionapproaches,theMAPoccurseitheratafixdefinedbyanavaid,orafteraspecifiedperiodoftimehaselapsedsinceyoucrossedthefinalapproachfix.
TheconversiontableatthelowerleftcornerofthechartwillspecifytheMAPand,ifapplicable,thetimeatvariousspeedsfromthefinalapproachfix
totheMAP.AVDP(Visualdescentpoint)depictedbytheletterVintheprofileview,representsthepointfromwhichyoucanmakeanormaldescenttoalanding,providedyouhavet
heapproachendoftherunwayinsightandyouareattheminimumdescentaltitude(MDA).AdescentbelowtheMDAshouldnotbestartedpriortoreachingth
eVDP.VDP§6.2.3.3AltitudesTheprofileviewshowsminimumaltitudesalongtheflighttrack.AllaltitudesaregivenaboveQNHinfe
et,followedbyaparentheticalnumberwhichshowstheHAT(Heightabovetouchdownzoneorthreshold).WhenaTDZE(Touchdownzoneelevation)isnotgiven,t
henumbersrepresentheightabovetheairportelevation(HAA).AllaltitudesareMINIMUMaltitudeunlessspecificallylabeledotherwise,suchas“MANDATORY”、“MAXIMUM”、“
RECOMMENDED”.•“MANDATORY”meansthealtitudeshownisrequiredatthefixorglideslopeintercept.•Maximumaltitudesarelabe
led“MAXIMUM”andmaybeabbreviated“MAX”.•Recommendedaltitudesarelabeled“RECOMMENDED”.•TDZEisthehighestelevationinthefirst3,000feetofthelanding
surface.•TCH(ThresholdCrossingHeight)isatheoreticalheightabovetherunwaythresholdwhenyouareestablishe
dontheglideslopedescentpath.TCHhasbeentraditionallyusedinprecisionapproachesastheheightoftheairborneglideslopeantennaewhenpassingabovetherunwayt
hreshold.§6.2.3.4ConversionTables•Foraprecisionapproach,thetableliststheglideslopeangleangroundspeedtotherateofdescentfortheILSglideslope(
descentinfeetperminute).•Fornonprecisionapproaches,thetablerelatesgroundspeedtothedistancefromtheFAF(theLOMorsimil
arfix)andshowsthetimeinminutesandsecondstoflyfromFAForotherspecifiedfixtoMAP.•ForcombinedILSandLOCapproaches,onlyonedescenttabl
eisprovidedwhentheILSglideslopeangleandthedescentgradientoftheLOCapproacharecoincidental.§6.2.3.5LightingIcons
PAPI:PrecisionApproachPathindicatorStandard2-barVASIVASI:VisualapproachslopindicatorMissedApproachIcons§6.2.4L
andingMinimumsThelandingminimumstable,foundatthebottomoftheJeppesenapproachchart,containstwotypesofminimumsthatm
ustbothbemetinordertolegallycompletetheapproachtolanding:•DA(H)/MDA(H)•VIS/RVR§6.2.4.1TypeofProcedureLan
dingminimumsareaffectedbyanyorallofthefollowingfactors:•Straight-inStraight-inlandingminimumsnormallyaredepictedwhenthefinalapproachcourseispositione
dwithin30°oftherunwayalignment.•SidestepAsidestepmaneuverisaprocedureinwhichyouareclearedforanapproachtoonerunwaywithaclearancetolandonapara
llelrunway.ThistypeofapproachprocedureisrarelyfoundoutsidetheU.SandCanada.•Circle-to-LandAcirclingapproachisaprocedur
ethatinvolvesexecutinganapproachtoonerunwayandthenlandingonanother.Becausecircle-to-landproceduresdonotspecifyaspecificrunway,theheightsinpar
enthesesareabovetheairport,ratherthanrunwayelevation.§6.2.4.2TypeofApproachAnotherdifferentiationmadeinthe
landingminimumstableisthetypeofapproach.•CategoryIPrecisionInaprecisionapproach,theminimumaltitudeshowno
nthechartiscalledtheDA.Duringthetimeyoumakethisdecision,youarecontinuingtodescend,soifyouexecuteamissedapproach,youwillp
assslightlythroughthisaltitude.•CategoryII/IIIPrecisionForaCategoryIIprecisionapproach,theminimumaltitudesshowno
nthechartaredecisionaltitudes,aspreviouslydescribedintheCategoryIPrecisiondiscussion.CategoryIIdecisionaltitu
desaretypicallyaccompaniedbyaRAheightminimum.CategoryIIIprecisionapproachestypicallydonothaveadecisionaltitudean
drequirespecialcertificationfortheoperatorandtheindividualpilot.•NonprecisionInanonprecisionapproach,theminimumaltitudeshownonthech
artiscalledtheMDAbecauseitisthelowestaltitudetowhichyoumaydescenduntilyouhaveestablishedtherequiredvisual
referencerequirementsandareinapositiontoland.•MultipleApproachTypesOccasionally,achartportraysmorethanonetypeofappro
achprocedureonthesamechart.Inthatcase,multiplesetsofstraight-inminimumsareprovided.§6.2.4.3AircraftApproachA
tegoryThetypeofaircraftaffectsthelandingminimums.Thelandingminimumstableincludesdivisionsforeachoffouraircraftcategories.Eachaircraftisplacedintoan
aircraftapproachcategorybasedonitscomputedapproachspeed.Thisspeedequals130%oftheaircraft’sstallspeedinthela
ndingconfigurationatthemaximumcertificatedlandingweight.§6.2.4.4InoperativeComponentsorVisualAidsLandi
ngminimumsusuallyincreasewhenarequiredradionavigationcomponentorvisualaidbecomesinoperative.Regulationpermityoutomakesubstitutionsfo
rcertaincomponentswhenthecomponentisinoperative,orisnotutilizedduringanapproach.Forexample,onanILSapproach,acompasslo
catororprecisionradarmaybesubstitutedfortheoutermarkerwheresodepictedintheprofileview.WhentheILSglideslopeisinoperative,theprocedurebecomesanonp
recisionlocalizerapproach,raisingtheminimumaltitudetowhichyoucandescend,andchangingtoaminimumdescentaltituderatherthanadecisionaltitude.GlideSlopeS
ometimeslowerminimumsareallowedwhenyoucanidentifyaparticularfixinanonprecisionfinalapproachsegment.AlthoughDMEmaynotberequiredtoflythespecificapproac
hprocedure,theabilitytoidentifyaDMEfixprovideslowerminimums.DMEFixesWhetherornotcertainlightingsystems(typicallyapproachlights,centerlinelight
s,ortouchdownzonelights)areworkingaffectsthevisibilityrequirementsfortheapproachprocedure.LightingMiddleMa
rkerAlthoughintheU.S,theFAAhaseliminatedthepenaltyforaninoperativemiddlemarker,afewcountries(suchasBrazil,C
hainTaipei)continuethepenalty.AltimeterSettingWhenanaltimetersettingisderivedfromaremotesourcemorethan5milesfrom
theairportreferencepoint,ratherthanalocalaltimeter,theDA(H)orMDA(H)isincreasedbyafactorthatconsidersboththeremotealt
imeteraswellastheelevationdifferencebetweenthelandingairportandtheremotealtimeterairport.§6.2.4.5AirportOperatingS
pecificationsAlthoughcontinuouseffortsarebeingmadetostandardizeairportoperatingspecificationsaroundtheworld,thererem
ainsignificantdifferencesbetweengoverningspecifications,especiallyintheareaoflandingandtakeoffminimums.Therearethreeprimaryspecification
sthatJeppesenapplieswhendeterminingminimums:•ICAODocument9365,ManualofAll-WeatherOperations•JointAviationR
egulationsOperations(JAROPS-1SubpartE)•FAAHandbook8260.3BTERPS§6.2.4.6OtherFactorsInadditiontothosefactorscoveredinthislesson,manyot
herfactorsmayaffectlandingminimums,especiallythoseinthecircle-to-landcolumn.Frequently,theserestrictionsareduetocriticalterrainorobstac
les,prohibitionstooverflynearbyresidenceareas,orfornoiseabatement.TimeofDayDirectionRunwayTerrain§6.3NonprecisionApproachesAnonprecisi
onapproachprovideslateralcourseguidancewithnoelectronicglideslopeinformation.Themostcommonofthenonprecisionapproachesandthenavigationaidsandsystemsup
onwhichtheyarepredicatedinclude:•VOR•NDB•LOC•GPSSomeotheruncommonnonprecisionapproach:•LOCBackCourseApproaches•LDAApproach•SDFApproach§6
.3.1EffectsofNavaidLocationRegardlessofthetypeofnavaid,itslocationinrelationtotherunwaycansignificantlyaffectth
eapproach.Therearetwobasictypesofnonprecisionapproaches:thosethatuseanavaidlocatedbeyondtheairportboundaries,andthosewiththenava
idlocatedontheairport.Anon-airportfacilityisonethatislocatedwithin1mileofthenearestportionofthelandingrunwayforastraight-
inapproach,orwithin1mileofthenearestportionoftheusablelandingsurfaceforacirclingapproach.On-AirportFacilityOff-AirportFacilityYoumightnotic
etheeffectsofthenavaidlocationinotherpartsoftheapproachchartaswell:•Finalapproachcourse•Coursereversal•Presen
ceofanFAF•TimingfromFAFtoMAP•MAP§6.3.2FinalApproachCourseEvenonnonprecisionapproachestothesamestraight-inrunway,y
oumayneedtoflyadifferentfinalapproachcourseduetothelocationofannon-airportnavaid.Thisdifferenceisevenmorepronouncedin
Andoya,Norway.CourseReversalWithanon-airportnavaid,youmayhavetoexecuteaprocedureturnwhereyoumightnotneedtoiftheapproachwh
erebasedonanoff-airportnavaid.Thisisbecauseyoumayneedtoestablishyourpositionpriortodescending,byflyingfirsttothenavaidatthe
airportandthenperformingaprocedureturntocompletetheapproach.PresenceofanFAFWhentheprimarynavaidisnotlocatedonthe
airport(forexample,onthefinalapproachcourse),itoftenservesasboththeinitialapproachfix(IAF)andthefinalapproachfix(FAF).Whenthe
navaidisontheairport,noFAFisdesignatedunlessDMEoranothermeansisavailableforidentifyingsuchafix.Instea
d,afinalapproachpoint(FAP)isdesignatedandservesastheFAF.FAFNothaveFAFThelocationoftheFAPisdefinedasthebeginningofthefinalapproach
segment.Thispointiswheretheaircraftisestablishedinboundaftercompletinganyrequiredprocedureturn.Sincethiscouldbeadifferentpoi
ntforeachaircraftthatfliestheapproach,theFAPisdynamic,ratherthanstaticlikeanFAF.TimingfromFAFtoMAPTheconversiontablemayincludeth
eapproximatelengthoftimeitwilltaketoflyfromthefinalapproachfix(FAF)orequivalenttothemissedapproachpoint(MAP)foragivengroundspeed.•IfDMEis
requiredfortheapproach,timingdataisfrequentlynotprovided,becausethepilotisexpectedtoidentifytheMAPfromtheMDEreference.•GPSapproachesdonot
providetimingdatabecausethepilotdeterminestheMAPfromthespecificwaypointprogrammedintotheGPSsystem.•Whenthenavaidisontheairport,itfrequentlyservesast
heMAP.Youwouldnotrequiretimingdatabecauseyouknowwhenyouhavereachedthenavaidand,therefore,theMAP.MAPFornonprecisionappr
oaches,themissedapproachpoint(MAP)occurseitheratafixdefinedbyanavaid,orafteraspecifiedperiodoftimehaselapsedsinceyoucrossedthefinalapproa
chfix(FAF).Theexactlocationofthemissedapproachpoint(MAP)dependsonobstaclesinthemissedapproacharea,aswellaswhetherthenavaid
isonofftheairport:•Foroff-airportfacilities,theMAPcannotbefurtherfromthefinalapproachfix(FAF)thantherunwaythresh
oldforstraight-inapproaches,orfromthefirstusableportionofthelandingareaforcirclingapproaches.•Foron-airpo
rtfacilities,theMAPisthenavaidfacility.Example§6.4PrecisionApproachTheinstrumentlandingsystem(ILS)isaprecisionapproachnavigationalaidtha
tprovideshighlyaccuratecourse,glideslope,anddistanceguidancetoagivenrunway.TherearethreegeneralclassificationsofILSapproac
hes-CategoryI,CategoryII,andCategoryIII.ToflyabasicILSapproach(CategoryI),youmustbeinstrumentrated,current,andyourair
craftmustbeequippedappropriately.ILSapproachesmayalsobeCategoryIIorIII;theseapproachestypicallyhavelowerminimumsandrequirespecialcer
tificationforoperators,pilots,aircraft,andair/groundequipment.TheILScanbethesaferapproachalternativeinpoorweatherconditionsfo
rseveralreasons:•Itprovidesverticalcourseguidanceinadditiontolateralguidance.•Itisamoreaccurateapproachaidthananyotherwidelyavailablesystem.
•Theincreasedaccuracyandtheverticalguidancethroughtheglideslopegenerallyallowsforapproachminimums.•Thelower
minimumscanmakeitpossibletoexecuteanILSapproachandlandatanairportwhenitwouldnothavebeenpossibleusinganonprecisionapproach.Example§6.5Straight-in
ApproachesStraight-inlandingminimumsnormallyareusedwhenthefinalapproachcourseispositionedwithin30°oftherunwayandaminimumofmaneuveringisrequi
redtoaligntheairplanewiththerunway.However,theoffsetshouldnotbemorethan15°fromtherunwaycenterlineforCatego
ryCandDaircraft.Incontrasttoastraight-inlanding,thecontrollerterminology“clearedforstraight-inapproach…”meansthatyoushouldnotperformacour
sereversal,butdoesnotreferencelandingminimums.Forexample,youcouldbe“clearedforstraight-inILSRunway25approach,circletolandRunway34.”Inthiscase,youwoul
dnotflyacoursereversal,andyouwouldberequiredtoremainatthehighercircle-to-landMDA(H)minimumsuntilyoubeginyourfinaldescent.Ifyouarenotbeingradarvect
ored,generallyyoubeginastraight-inapproachatanoutlyinginitialapproachfix(IAF),andthenflytheinitialandintermediatesegments,whichplac
esyouonthefinalapproachsegment.Example§6.6ApproachwithReversalAcoursereversalisprescribedwhenitisnecessarytoreversedirect
iontoestablishyouraircraftinboundonanintermediateorfinalapproachcourse.Whencharted,itisarequiredmaneuver,exceptunderthefollo
wingconditions:•Radarvectoringisprovided.Radarvectorstothefinalapproachcourseprovideamethodofinterceptingandproceedinginboundonthepublishedins
trumentapproachprocedurewithoutthepublishedcoursereversal.•Thesymbol“NoPT”(noprocedureturn)isshownonthechart,.Ifyouareflyinganarrivalorfeederr
outethatislabeledwithNoPT,youarenotauthorized,nordoesATCexpectyou,toperformthecoursereversal.•Youaretransitioningfromanarrivalroute,feederroute,orin
itialapproachsegmentfromwithinaTerminalArrivalArea(TAA)straight-inarea.ThisareaistypicallynotedasNoPTontheTAAchart.Acoursereversalma
ybedepictedintwotypesprocedureformats(ProcedureTurnandTeardrop/BaseTurn)intheplanviewsection.§6.6.1ProcedureTurn
Whenacoursereversalisshownasaprocedureturn,thepointatwhichthestartedanthetypeandrateofturnusuallyarelef
ttothediscretionofthepilot.Jeppesenapproachchartsshowprocedureturnswith45/180or80/260degreeangles.Note:Proceduredesignrulesappliedbys
tatesusingICAOstandardsrequireyoutoflythecourse,heading,speed,andtimingasshownontheapproachchartinordertoremainwithintherelevantairspaceand
toensuretherequiredobstacleclearance.Fortheairspacedesign,itisassumedtheturnsareatamaximumbankangleof25°,orara
teof3°/second,whicheverisless.Example§6.6.2BaseTurnWhenacoursereversalisshownasateardroporbaseturnpattern,youmustflythecoursereversalassho
wnonthechart.Inthiscase,theheadings,leglengths,anddirectionofturnsaremandatory,andarefoundintheplanviewandprofileviews.Example§6.7Ra
cetrackorHoldingPatternCourseReversalsWhenaholdingorracetrackpatternispublishedasacoursereversal,youmustm
aketheproperentryandfollowthedepictedpatterntoestablishyouraircraftontheinboundcourse.Again,theinformationyouneedaboutth
ecoursereversalcanbefoundintheplanviewandprofileviewsectionsoftheapproachchart.Example§6.8CirclingApproachAcirclingapproachisaprocedur
ethatinvolvesexecutinganapproachtoonerunwayandthenlandingonanother.Severalsituationsanyrequireyoutoexecuteacirclingapproach.Thecirclingapp
roachisnotasimplemaneuver;youarerequiredtoflyatalowaltitudeatafairlyshowairspeedandyourattentionmaybedivertedoutsidetheaircraftmore
thanusual.Atthesametime,youmustensurethatyoudonot:•DescendbelowtheMDAimproperly;•Flyoutsidetheprotectedarea;•Losesightoftherunwayenvironment.§6.8.
1CirclingManeuversInsimpleterms,thecirclingapproachprocedureinvolvesflyingtheapproach,establishingvisualcontactwiththerun
wayenvironment,andthenpositioningtheaircraftonafinalapproachtotherunwayonwhichyouintendtoland.Thecirclingapproachallowsyoutolandon
anyappropriaterunwaynotsubjecttoadditionalchartedrestrictions.Note:Circlingapproachcanbeextremelyhazardous,especiallywhencombinedwithsuc
hfactorsaslowvisibility,mountainousterrain,and/ornightoperations.Manycommercialoperatorsarenotauthorizedtoflyci
rclingapproaches,orifso,arerequiredtomakespecializedtraining.Circle-to-landminimumsareincludedonmostapproachplatesasapa
rtoftheprocedureminimumsinformationband.Circle-to-landminimumsareexpressedwithanMDA,eventhoughaglideslopemaybeusedtode
scendtothatcirclingMDA.Thecircle-to-landMDAisusuallyhigherthanthestraight-inlandingMDAs.§6.8.2RestrictionsofCircle-t
o-LandRestrictedbyDirectionRestrictedbyAvailableEquipmentorNavaidsRestrictedbyTimeorWeatherRestrictedbyAircr
aftCategoriesLimitedProtectedArea§6.9MissedApproachProceduresThemissedapproachproceduremustbeflownwheneveryoureachthemissedapproachpoint(MAP
)andcannotestablishtherequiredvisualreferences,orwhenyouarenotinapositiontolandsafely.Amissedapproachprocedurealsomayberequiredduringacirclingapp
roachwhenvisualcontactwiththerunwayenvironmentislost.Everyinstrumentapproachhasamissedapproachsegmentwithap
propriateheading,course,andaltitudeinformationprovided.Thepurposeofthissegmentistoallowyoutosafelynav
igatefromthemissedapproachpointtoapointwhereyoucanattemptanotherapproach,orcontinuetoanotherairport.Themissedapproachsegmentbeginsatt
heMAPandendsatadesignatedpoint,suchasaninitialapproachorenroutefix.TheactuallocationoftheMAPdependsuponthetypeofapproachyouareflying.Example§6.1
0RNAVApproachRNAVequipmentcancomputetheairplaneposition,actualtrack,andgroundspeed,andthenprovidemeaningfulinformationrelativetotheselectedrout
eofflight.RNAVproceduresinclude:•VORDMERNAV•GPSOverlay•GPSorGNSS(ICAO)•RNAV•RNAV(GPS)§6.10.1VOR/DMERNAVCharts§6.10.2GPSOverla
ysProperlyinstalledandcertifiedGPSequipmentcanbeusedtoflymanynonprecisionapproachesbasedonconventionalnavaids,ifsospecifiedintheapproachprocedureide
ntification.TherearetwotypesofGPSoverlays:•Thefirstrequirestheunderlyinggroundnavaidsandassociatedaircraftnavigationequipmenttobeoperational,but
notmonitoredbythecrewduringtheapproachaslongastheGPSmeetsRAIMaccuracyrequirements.Theseproceduresareindicatedbyasm
all,italic(GPS)infrontoftheprocedureidentifier.•Thesecondeliminatestherequirementforconventionalnavigationequipmenttobeoperatingduringtheapp
roach,althoughthatequipmentmayberequiredforotherportionsoftheIFRflight.Theseapproachchartscanbeidentifiedbythewords“orGPS”intheprocedureidentifi
er.Example§6.10.3RNAV(GPS)ChartsRNAV(GPS)chartscombineunaugmentedGPSandaugmentedGPS,alongwithFMS-basedRNAV,approachesontoasing
lechart.WithinU.S,augmentedGPS,approacheswillbebasedonWAASandLAAS.AGPSstandaloneapproachprocedureisdesignedsolelyforusewithGPSandoffersm
oreefficientroutingthanispossiblewithsomeconventionalapproaches.Youmusthaveconventionalnavigationequipmentaboardyouraircraftasabackup
.Example