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IFRFlightConsiderationsIFRFlightPlanningFlightOverview•AIM:5-1-1to5-1-13•Beforeplanningtheflightdetails…takeabroadlookatyourobjective.Compare:–Dis
tancewithfuel–Weatherwithroute–Terrainwithaircraftperformance–Goalandyourproficiency–Isthistripreallynecessary?•§91.103Preflightaction.–Eachpilotinco
mmandshall,beforebeginningaflight,becomefamiliarwithallavailableinformationconcerningthatflight.Thisi
nformationmustinclude–•(a)ForaflightunderIFRoraflightnotinthevicinityofanairport,weatherreportsandforecasts,fuelrequirements,alternatives
availableiftheplannedflightcannotbecompleted,andanyknowntrafficdelaysofwhichthepilotincommandhasbeenadvisedbyATC;•
(b)Foranyflight,runwaylengthsatairportsofintendeduse,andthefollowingtakeoffandlandingdistanceinformation
:•“NWKRAFT”14CFR91.103•PreflightAction:NWKRAFT•(a)ForaflightunderIFR,pilotshouldknow:•N-Notams(allavailableinfoconcerningfligh
t)•W-weatherreportsandforecasts•K-knowntrafficdelays•R–runwaylengths•A-alternativesavailable•F-fuelrequirements•T–TakeOff/LandingDistanceinfo,Section
(b).•§91.167FuelrequirementsforflightinIFRconditions•(a)NopersonmayoperateacivilaircraftinIFRconditionsunl
essitcarriesenoughfuel(consideringweatherreportsandforecastsandweatherconditions)to––(1)Completethefli
ghttothefirstairportofintendedlanding;–(2)Exceptasprovidedinparagraph(b)ofthissection,flyfromthatairporttothealternateairport;and–(3)Flya
fterthatfor45minutesatnormalcruisingspeed.•(b)Paragraph(a)(2)ofthissectiondoesnotapplyif:–(1)Part97ofthischapterprescribesastandardinstrum
entapproachprocedureto,oraspecialinstrumentapproachprocedurehasbeenissuedbytheadministratortotheoperatorfor,thefirstairportofintended
landing;and–(2)Appropriateweatherreportsorweatherforecasts,oracombinationofthem,indicatethefollowing:•(i)Foratleast1hourbefore
andfor1houraftertheestimatedtimeofarrival,theceilingwillbeatleast2,000feetabovetheairportelevationandthevisibility
willbeatleast3statutemiles.14CFR91.167•FuelRequirementsforFlightinIFRConditions:–tofirstairportofintendedlanding–toalternat
eairport(ifrequired)–45minutesatnormalcruisingspeed•AlternateisNOTneededwhen:–firstairporthasIAPAND–1-2-3rul
eforecastwx–+/-1hourETA–Atleast2,000’ceiling–Atleast3SMvisibility.•§91.169IFRflightplan:Informationrequired.–(a)Informationrequired.Un
lessotherwiseauthorizedbyATC,eachpersonfilinganIFRflightplanmustincludeinitthefollowinginformation:•(1)Informationrequiredunder§91.153(a)
ofthispart;•(2)Exceptasprovidedinparagraph(b)ofthissection,analternateairport.–(b)Paragraph(a)(2)ofth
issectiondoesnotapplyif:•(1)Part97ofthischapterprescribesastandardinstrumentapproachprocedureto,oraspecialinstrumentappro
achprocedurehasbeenissuedbytheAdministratortotheoperatorfor,thefirstairportofintendedlanding;and•(2)Appropriateweatherreportsorweatherforecasts,oraco
mbinationofthem,indicatethefollowing:–(i)Foraircraftotherthanhelicopters.Foratleast1hourbeforeandfor1houraftertheestimatedtimeofarrival,
theceilingwillbeatleast2,000feetabovetheairportelevationandthevisibilitywillbeatleast3statutemiles.14CFR91.169•IFRFlightPlan:InformationRequir
ed•Section(c)IFRalternateairportstandardminimums–600’ceiling/2smforprecision–800’ceiling/2smfornonprec
ision–atETAatalternate•forecastWXmustallowdescentfromMEAtoairportunderbasicVFR–(checkVFRminimumsforallairspaceyouw
illtransit!)WITHIAPNOIAP:–(c)IFRalternateairportweatherminima.–UnlessotherwiseauthorizedbytheAdministrator,nopersonmayinclud
eanalternateairportinanIFRflightplanunlessappropriateweatherreportsorweatherforecasts,oracombinationofthem,indicatethat,attheestimatedtimeo
farrivalatthealternateairport,theceilingandvisibilityatthatairportwillbeatorabovethefollowingweatherminima:•(1)Ifaninstrumentapp
roachprocedurehasbeenpublishedinpart97ofthischapter,oraspecialinstrumentapproachprocedurehasbeenissuedbytheAdministratortotheoperator,fortha
tairport,thefollowingminima:–(i)Foraircraftotherthanhelicopters:Thealternateairportminimaspecifiedinthatprocedure,orifnonearespecif
iedthefollowingstandardapproachminima:»(A)Foraprecisionapproachprocedure.Ceiling600feetandvisibility2statu
temiles.»(B)Foranonprecisionapproachprocedure.Ceiling800feetandvisibility2statutemiles.•(2)Ifnoinstrumentapproachprocedu
rehasbeenpublishedinpart97ofthischapterandnospecialinstrumentapproachprocedurehasbeenissuedbytheAdministratortotheoperator,forthealter
nateairport,theceilingandvisibilityminimaarethoseallowingdescentfromtheMEA,approach,andlandingunderbasicVFR.
.•§91.173ATCclearanceandflightplanrequired.–NopersonmayoperateanaircraftincontrolledairspaceunderIFRunlessthatpersonhas–•(a)File
danIFRflightplan;and•(b)ReceivedanappropriateATCclearance.Route•RouteSelection:–AircraftPerformance–FuelEconomy–AvailabilityofRouteAlte
rnatives–Terrain–AircraftEquipment(IFR-certifiedGPS)–PreferredIFRroutes•Airport\FacilityDirectory•EnroutesectionofJeppesenAir
wayManual–Ifstartingwithafix,thenexpectroutingbywayofODP/SID,orradarvectors.•§91.181Coursetobeflown.–UnlessotherwiseauthorizedbyATC,nopersonmayo
perateanaircraftwithincontrolledairspaceunderIFRexceptasfollows:•(a)Onafederalairway,alongthecenterlineofthatairway.•(b)Onanyotherroute,alongthedir
ectcoursebetweenthenavigationaidsorfixesdefiningtheroute.AlongtheRoute•CheckMEAs•GenerallyalongairwaysunlessGPSisIFRcertified•CheckforODPs/SI
DsandSTARs•Alternateairports?–Farenoughawaytoavoiddestination’sadverseweather…closeenoughtomakeit.–Recommendedinst
rumentapproachFlightInformationPublications•FlightPublications–PublishedDeparturesandApproaches•Suitabilityandfamiliarity–Alternatesuitability•NOTA
Ms–ChartNOTAMssectionofJepps–NoticestoAirmen•Airplane’sFlightManualSupplement–IFRequipmentcertificationrequirementsNOTAM(D)•Informationisdisseminate
dforallnavigationalfacilitiesthatarepartoftheNAS,allpublicuseairports,seaplanebases,andheliportslistedintheA/FD.Thecompletelistofall(D)inf
ormationismaintainedinacomputerdatabase.MaybeobtainedfromFSSforthedurationofthe(D)unlessitispublished.NOTAM(L)•Taxiwayclosures,personnelande
quipmentnearorcrossingrunways,andairportlightingaidsthatdonotaffectinstrumentapproachcriteria,suchasVASI.•Distributedlocallyonlyan
disnotattachedtothehourlyweatherreports.Aseparatefileof(L)ismaintainedateachFSSforfacilitiesintheirareaonly.FDCN
OTAMs•AmendmentstopublishedIAPsandothercurrentaeronauticalcharts.Theyarealsousedtoadvertisetemporaryflightrestrictionscausedbysuchthi
ngsasnaturaldisastersorlarge-scalepubliceventsthatmaygenerateacongestionofairtrafficoverasite.•FSSwillgivethepilotthoseFDCNOTAMs
,thatarewithin400milesoftheirfacilityandareunpublished.Thoseoutside400milesaregivenifspecificallyrequestedbythepilot.NOTAMS•Anintegralp
artoftheNOTAMsystemistheNoticestoAirmenPublicationpublishedeveryfourweeks.–Oncepublished,theseNOTAMsarenotgiven
topilotsinweatherbriefingsunlessspecificallyrequestedbythepilot.–---“RemembertoaskforpublishedNOTAMS”---FlightInformationPublications•AIM–For
reviewofcurrentproceduresandchanges•NavigationLog–Haveaflow•Aircraftlogbooks–Fortransponder,pitot/static,altimeter,andVORcheckcurrency•Us
eLatestIssueofAeronauticalCharts–IFREnrouteCharts:56days–IFRApproachCharts:56daycycleWeatherConsiderationsBythetimeyouarereadytoreceiveastandardbri
efingfromFlightService,youshouldalreadyhavesomeideaabouttheweatherhazardsalongyourrouteofflightandcond
itionsatyourdestination.Pre-FlightBriefing•Pre-flightBriefingObjective:“…communicatea“picture”ofmeteorologicalandaeronau
ticalinformationnecessaryfortheconductofasafeandefficientflight.”•PreflightBriefingrequestshouldinclude…–Typeofflightplan
ned(IFRorVFR)–Nameoraircraftnumber–Aircrafttype–DepartureAirport–ArrivalAirportWeatherCharts•GoodstartisWeatherDepiction–B
ird’seyeviewofcategoricaloutlooks•SurfaceAnalysis–Frontalmovements•RadarandSatelliteimages•AreaForecasts•IcingLevelAltitude
Selection•Basedon:–MEA–ATCassignedlowestavailableIFRaltitude–Highestaltitudewithoutoxygen–Winds,turbul
ence,andice.•§91.177MinimumaltitudesforIFRoperations–(a)Operationofaircraftatminimumaltitudes.Exceptwhennecessaryfortakeof
forlanding,nopersonmayoperateanaircraftunderIFRbelow–•(1)Theapplicableminimumaltitudesprescribedinparts95and97ofthi
schapter;or•(2)Ifnoapplicableminimumaltitudeisprescribedinthoseparts––(i)Inthecaseofoperationsoveranareadesignatedasamo
untainousareainpart95,analtitudeof2,000feetabovethehighestobstaclewithinahorizontaldistanceof4nauticalmilesfromthe
coursetobeflown;or–(ii)Inanyothercase,analtitudeof1,000feetabovethehighestobstaclewithinahorizontaldistanc
eof4nauticalmilesfromthecoursetobeflown.14CFR91.177•MinimumAltitudesforIFROperations•Applicableminimums–Mountainous(2000’AGL/4nm)–Other(1000’A
GL/4nm)–MEA/MOCA/22nm•Climbtohigherminimumimmediately,orMCAdesignated–(we’llcoverthisinmoredetailinEn
routeoperations).•§91.179IFRcruisingaltitudeorflightlevel–(a)Incontrolledairspace.EachpersonoperatinganaircraftunderIFRinlevelcruisin
gflightincontrolledairspaceshallmaintainthealtitudeorflightlevelassignedthataircraftbyATC.However,iftheATCclearanceassigns“VFRconditionsontop”thatp
ersonshallmaintainanaltitudeorflightlevelasprescribedby§91.159.–(b)Inuncontrolledairspace.Exceptwhileinaholdingpatternof2minutesorless
orwhileturning,eachpersonoperatinganaircraftunderIFRinlevelcruisingflightinuncontrolledairspaceshallmaintainanappropriatealtitudea
sfollows:•(1)Whenoperatingbelow18,000feetMSL––(i)onamagneticcourseofzerodegreesthrough179degrees,anyoddthousandfootMSLaltitu
de–(ii)onamagneticcourseof180degreesthrough359degrees,anyeventhousandfootMSLaltitude.CompletingtheNavLog•Helpstoorganizeyourflight•Concisetextu
aldescription•Monitoryourprogressforsubsequentchange–ETE/ATE:ETA/ATA•Seeexamplesinchapter10CofyourJeppese
nTestGuide–ComparewhatisontheFAAflightplanformtotheFlightLogexamplesgiven.•Getsomeone-on-oneinstructionfromyourflightinstru
ctorwhenyoustartyourIFRcross-countryflying.FlightPlanExample(Note:thereshouldnotbe“K”infrontofVORidentifiersinrou
tesection.That’samisprint!)FlightPlanningFilingtheFlightPlan•Pilotsshouldfileflightplanatleast30minutespriortoestimated
timeofdeparturetoprecludepossibledelayinreceivingATCclearance.Block3:•Aircraftequipmentsuffixcode:–CheckAIMp
aragraph5-1-7,Table5-1-2forappropriatecode.•NoteEquipmentHeadingsonlegend.FilingAltitude:•Fileyourinitialcruisingaltitu
de.•Withmultiplecruisingaltitudes,listAltitudeforfirstlegonly.Filingyourroute:•Itisimportantthattherout
eofflightbeaccuratelyandcompletelydescribedintheflightplan.•Ifflightistobeconductedviadesignatedairways,describetheroutebyi
ndicatingthetypeandnumberdesignatorsoftheairwayrequested.Ifmorethanoneairwayistobeused,clearlyindicatepointsoftransition.Ifthetr
ansitionistobemadeatanunnamedintersection,showthenextsucceedingNAVAIDornamedintersectionontheintended
routeandthecompleteroutefromthatpoint.•TransferfromflightlogtoflightplanFilingtheFlightPlan•RouteofFlight–UseAirwaysorJetroutes–usingtypean
dnumberdesignators•“V433”forVictorAirway433•“J14”forJetRoute14–Clearlyindicaterouterequestedwith:•Airways/Routedesignatorsand•Naviga
tionalAids(VOR,VORTAC,NDB,etc.)•ListNavAidsonlyatroutechangepoints.•FAADataBaseWaypoints(GPS,etc.)FlightPlanning•Filingyourroute–Example:DraketoWinsl
owviaFERERwouldbefiled:DRKV562FERERV567INW•Estimatedtimeenroute–Theestimatedflyingtimefromdeparturepointtodestination(l
ift-offtotouchdown)•FuelOnBoard–Totalfuelonboardinhours&minutesFlightPlan–IFRFlightsRouteofFlight(con
tinued)–Filea“PreferredRoute”wheneverappropriate.(SeeA/FD)–DPs,SIDsandSTARs•MaybeissuedbyATCaspartofyourclearanceunless:•Youwrite“NODP
”,“NOSID”or“NOSTAR”inRemarkssection,asappropriate.FilingDP’sandSTAR’s•HowtofileaDPorSTAR–Departurename:R
OCKIONEDEPARTURE–Departurecode:(ROCKI1.ROCKI)•Forfilingatransition:–Transitionname:MILIS–Transitioncode:(ROC
KI1.MILIS)–Arrivalname:MOORPARKFOURARRIVAL–Arrivalcode:(FIM.MOOR4)•Forfilingatransition:–Transitionname:FRESNO–Transitioncode:
(FAT.MOOR4)FlightPlan–IFRFlights•DirectFlights–Mustbeinradarenvironment.–Thepilotisresponsibleforobstructionclearancerequirements.
CheckOROCAs.–Definedbyradiofixes:•Allfixes/waypointsbecome“compulsoryreportingpoints”•MusthaveminimumofonewaypointineachARTCC.–S
houldbeguidedby…•StandardServiceVolume:AIM,par.1-1-8•BelowFL180:Navaidsshouldnotbeover80NMapart(L).•14,500’MSLtoFL180:Na
vaidsnotover200NMapart(H).•FL180to450:Navaidsnotover260NMapart(H).StandardServiceVolumesAircraftperformance•
Climbperformance–Usethemaximumrate-of-climbchartinPOHtodetermineiftheC172performancewillbeadequateforanygivenDP.FlightPlan–Changes•Cha
ngeinFlightPlan–Changeofaltitudeorflightlevel–Changeofdestination–Changeofroute–AVERAGETASATCRUISE…•AdviseATCifchanges5%OR10kts,wh
icheverisgreater.•ChangeInETD(“proposeddeparturetime”)–1hourafterETD–yourFPmaydropoutofsystem.–Thus,ifdelayedover1hour:•AdviseFSS/ARTCC
AirborneFiling•PriortoenteringcontrolledairspacewhenweatherisbelowVFR…–Submit(file)acompleteIFRflightplan•usuallytoFSS–ReceiveanATCclea
rancefromARTCC•AirFilingtoenterB,C,D,andEairspace•“Pop-up”IFR•Trafficpermitting,otherwise:•Mayrequirea30mindelayCompositeFlightPlans–VFRforonepo
rtion/IFRforanotherportionofflight–IfVFRisfirst:•ReportdeparturetimetoFSS•RequestATCclearanceatappropriatepoint•RequestclosureofV
FRflightplan(toFSS,center,ortower)CompositeFlightPlans•IfIFRisfirst:–ATCwillnoteactualdeparturetime•andsos
houldthepilot!–Noteclearancelimit!–Clearancelimit–reachedwithoutATCclearance!(Nowwhat?)•MUSTremaininVFRcondition“untilopera
tinginaccordancewiththeIFRclearance”ClosingtheIFRFlightPlan•Requiredby14CFRPart91.169•Iflandingoncontroltowerairfield,cancelledautomatically…
however!•Othermethods:–FSSonground–ATCwhileairborneinVMCbelow18,000’MSL.–State:“CancelmyIFRFlightPlan”SimulatedInstrumentFlight–C
autions–Consult91.109before“underthehood”flightisattempted–flyatorabovepublishedMEAsatnight•SafetyPilot–possessesatleastaPrivatePi
lotCertificatewithcategoryandclassratingsappropriatetotheA/C,andacurrentmedical.•SafetyPilot–adequatevisionfor
wardandsideofA/C•Aircraft–hasfullyfunctioningdualcontrols(exceptionfor“throwovercontrolwheel)14CFR91.109
•FlightInstruction;SimulatedInstrumentFlightandCertainFlightTests•Section(b)Nopersonmayoperateanaircraftinsimulated
instrumentflightunless–Safetypilot=privatepilotratedinaircraft(Category/Class)–Safetypilothasadequatevisionforwardandside–
Fullyfunctioningdualcontrols.•UseIFRProceduresinVFRConditions–Obtaincompletebriefing–Fileflightplan–
Usecurrentcharts–Usenavigationaids–practicekeepingneedlecentered–Maintainaconstantaltitude(appropriatefordirectionofflight
)–Estimateenroutepositiontimes–MakeaccuratepositionreportstoFSS•Itisagreathabittogetinto…