(IMC)areequippedwithinstrumentsthatprovideattitudeanddirectionreference,(14CFR)part91,anizedintothreegroups:Pitot-passsystems,,suchas:ElectronicFlightInformationSystems(EFIS),GroundProximityWarningSystem(GPWS),TerrainAwarenessandWarningSystem(TAWS),TrafficAlertandCollisionAvoidanceSystem(TCAS),HeadUpDisplay(HUD),-StaticSystemsPitotPressure:Pitotpressure,orimpactairpressure,issensedthroughanopen--StaticSystemsPitot-StaticSystemsStaticPressure:heheightandspeedofmovementoftheaircraftthroughtheair,,calledstaticpressure,-StaticSystemsThreebasicpressure-:TheSensitiveAltimeter,TheAirspeedIndicator(ASI),andTheVerticalSpeedIndicator(VSI).Allthreereceivepressuressensedbytheaircraftpitot-,altimeter,-StaticSystemsPitotTubeBlockageConsiderations:,,theASIremainsattheexistingairspeedanddoesn’
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