general aviation safety leaflet about icing

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This document helps GA pilots to prevent icing in-flight. It also contains some theoretical and practical background.

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  • 1

  • Introd

    ThisleaintendeProtect

    Infligh

    Icewilltemperedgesalessvisi

    WaterdIfthereinliquidconvectAlthougproportsuperco

    Thesevsupercocompossupercocrystalsbubblin

    uction

    aflethasbeeedtoprovidionsystems

    hticingaf

    formonanraturebelowandisgenerible,andaff

    dropletsincarenopartdformdowtivecloudwghcumulustionofsupeooledliquid

    verityoficinooledliquidsedmainlyoooledliquids,whichappngtopofa

    enproducedeguidanceswhomay

    fterlandin

    naircraftiflwfreezing.rallyeasytofectsmore

    cloudwithaticlesonwhnto40C.withtempercloudswithercooleddrodwateratth

    ngconditiondwaterandoficeparticdwater.Thupearwispy)growingto

    dbytheEutopilotsofencounter

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    ng

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    rdforairfraintakesand

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    3

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  • StallW

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    erature

    ectofadiabisnegligibleexternaltrature(TAT

    AirTempera

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    Theeff

    onthewingnginicingc

    POH/AFMmotintheLimeeds,add15light,includoccur,butbbuffetorviboeuvringini

    baticcompreatairspeetemperatur),whichisa

    ature(SAT).

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    fectofairfra

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    reicingcon

    laneicep

    naeroplaneCS23.1419Thisairplanhcertificatiitytoflyinnts(suchasteredfreezons,suchcestocopew

    outforvisurethemainpmaywellsthepropell

    montheirpulationsof

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    ditions,the

    protection

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    anbedifficuncentrationbyanorderbelowfreezcasioninap

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    ceaccretionsmallprotuttracesoficorthewindrframe,becillimeterof

    ulttopredicn.Conditiorofmagnituzingmaynopparentlysim

    invisiblemo

    oncanbeco

    tion

    mscanbece.TheFlighthtinicingcotheFAAinconditionsfoEagleFlightnatureiscaentitlesacrconditions

    n.Soitwillfuberanceslicing.Firstshieldframcauseperforiceissuffic

    ctandcanvnsthatlookudeormoreotaccumulamilarcondit

    oisture

    omecritica

    ertifiedinacManualwilonditionsas1973andevorsignifican4184nearCapableofgerewtorelylikelytobe

    forexamplekeatypicalsignsofice

    me.Pilotsshormancecanienttoaffe

    varysubstankthesamee.Thisvariateanysignitionsapilot

    lwithinafe

    ccordancewllcontainasdefinedinvidencesthntperiods.Chicagoin1eneratingevontheantieencounter

    etendtofolGAtempeaccretionmouldlearnwnbedegradctsomemo

    ntially,becacanbringicabilitymeaificantamotmayencou

    ewminutes

    withregulatstatementpart25,ApheaircraftsWhilesom1994,anATvenmoreeicingordered.

    6

    ormonraturemaywhereedwithodern

    auseofcensthatuntofuntera

    .

    tionstotheppendix

    meTRthatxtremeicing

  • Bycontine.g.crew.Itcantakthisgui

    Preflig

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    trast,aircraflighticingctisvitalforetheaircradanceisaim

    ghtplanni

    enimpractiountered,inhatleavesnetobecerthaveaplantendedroucraftssysteyencounter

    thismeansetoclimbaulatedicehabepossiblecingisenco

    keyprefligableIFRaltiTCmaybeaearoundb

    redtoevenuchmoreaersomeguiformclouds

    ftwithouticonditionsrcrewsofsuaftoutoficimedatpilot

    ng

    caltoplannthesamenopossibilittainexactlynwhichallote,sotheyms,ifany,cred.

    saplantodabovetheicasasignificetoclimbabunterediss

    htplanningtudes.Aswassumed,busyTMAs.

    nadecadeaccurately.idanceonthscananddo

    ceprotectioormoderauchaircraftngconditiotsofthesea

    aflightinawaythatittyforanenwheresuchwsthemtomusthavecancopew

    descendintocinglayer.cantlypooreboveanicinsimplytore

    gcheckistowithothersutterrains

    ago,aviationNotetherehepresenceoriseintola

    on,andthoateicingcotocreateaonsificingisaircraft.

    waythatleisimpractic

    ncounterwithacloudwooavoidflyinaplantoavith,andtoe

    owarmeraHowever,aerperformanglayer.Aeversecours

    ocomparetsortsofhazaafelowerle

    nforecastselativehumeofcloud.ayersofthe

    osecertifiedonditionsoacontingencsencounter

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    ir,butinsoanaircraftwancethanaAnunderusesebacktoc

    hefreezingardousweaevelsmayn

    canpredictidityatplanHowever,ieatmosphe

    toearlystaffernosuchcyplanthatredduringf

    ossibilityforaflightonanimbus,becBut,justasunderstormonditionsmmanysuch

    omecircumswhichhasalcleanairfraedbuteffecconditionst

    levelwithmather,someotalwaysb

    ttemperatunnedcruisinnanunstabrewithlow

    andardsforhguaranteetguaranteeflight.Ther

    ricingcondiaconvectivecauseitisnesacrewmuthatappea

    moresevereicingthatis

    stancesitmlreadyame,soitmctivemanoethatwereic

    minimumecooperatibeavailable

    uresandwingaltitudesbleairmass,werhumidity

    7

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