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class="vector-toc-numb">2</span> <span>Användning</span> </div> </a> <ul id="toc-Användning-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Flightnummer" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Flightnummer"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Flightnummer</span> </div> </a> <ul id="toc-Flightnummer-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referenser" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referenser"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Referenser</span> </div> </a> <ul id="toc-Referenser-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Innehåll" 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class="firstHeading mw-first-heading"><span class="mw-page-title-main">Callsign</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Gå till en artikel på ett annat språk. Tillgänglig på 5 språk" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-5" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">5 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Aviation_call_signs" title="Aviation call signs – engelska" lang="en" hreflang="en" data-title="Aviation call signs" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Flugkompania_voksigno" title="Flugkompania voksigno – esperanto" lang="eo" hreflang="eo" data-title="Flugkompania voksigno" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Aviacijos_%C5%A1aukiniai" title="Aviacijos šaukiniai – litauiska" lang="lt" hreflang="lt" data-title="Aviacijos šaukiniai" data-language-autonym="Lietuvių" data-language-local-name="litauiska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Callsign_(avia%C8%9Bie)" title="Callsign (aviație) – rumänska" lang="ro" hreflang="ro" data-title="Callsign (aviație)" data-language-autonym="Română" data-language-local-name="rumänska" class="interlanguage-link-target"><span>Română</span></a></li><li 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<div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Verktyg</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">dölj</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Fler 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</div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:L%C3%A4nkar_hit/Callsign" title="Lista över alla wikisidor som länkar hit [j]" accesskey="j"><span>Sidor som länkar hit</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Senaste_relaterade_%C3%A4ndringar/Callsign" rel="nofollow" title="Visa senaste ändringarna av sidor som den här sidan länkar till [k]" accesskey="k"><span>Relaterade ändringar</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Callsign&oldid=56975217" title="Permanent länk till den här versionen av sidan"><span>Permanent länk</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Callsign&action=info" title="Mer information om denna sida"><span>Sidinformation</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citera&page=Callsign&id=56975217&wpFormIdentifier=titleform" title="Information om hur den här artikeln kan användas som referens"><span>Använd som referens</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FCallsign%23Flightnummer"><span>Hämta förkortad url</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FCallsign%23Flightnummer"><span>Ladda ner QR-kod</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Skriv ut/exportera </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Bok&bookcmd=book_creator&referer=Callsign"><span>Skapa en bok</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Callsign&action=show-download-screen"><span>Ladda ned som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Callsign&printable=yes" title="Utskriftsvänlig version av den här sidan [p]" accesskey="p"><span>Utskriftsvänlig version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> På andra projekt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q23579126" title="Länk till anslutet databasobjekt [g]" accesskey="g"><span>Wikidata-objekt</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Utseende"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Utseende</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">dölj</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Från Wikipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Omdirigerad från <a href="/w/index.php?title=Flightnummer&redirect=no" class="mw-redirect" title="Flightnummer">Flightnummer</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="sv" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:BOAC_Boeing_707-400_Manteufel.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/BOAC_Boeing_707-400_Manteufel.jpg/250px-BOAC_Boeing_707-400_Manteufel.jpg" decoding="async" width="250" height="167" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/BOAC_Boeing_707-400_Manteufel.jpg/375px-BOAC_Boeing_707-400_Manteufel.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/41/BOAC_Boeing_707-400_Manteufel.jpg/500px-BOAC_Boeing_707-400_Manteufel.jpg 2x" data-file-width="1024" data-file-height="683" /></a><figcaption>Fågeln från <a href="/wiki/Stabilisator_(flygplan)" class="mw-redirect" title="Stabilisator (flygplan)">stjärtfenan</a> av en <a href="/wiki/Boeing_707" title="Boeing 707">Boeing 707</a> från <a href="/wiki/BOAC" class="mw-redirect" title="BOAC">BOAC</a> som utvecklades till dagens callsign <i>Speedbird</i> för <a href="/wiki/British_Airways" title="British Airways">British Airways</a>.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Norwegian_Air_Shuttle_B737-800_(LN-NGV)_@_ARN,_June_2016.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Norwegian_Air_Shuttle_B737-800_%28LN-NGV%29_%40_ARN%2C_June_2016.jpg/250px-Norwegian_Air_Shuttle_B737-800_%28LN-NGV%29_%40_ARN%2C_June_2016.jpg" decoding="async" width="250" height="167" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Norwegian_Air_Shuttle_B737-800_%28LN-NGV%29_%40_ARN%2C_June_2016.jpg/375px-Norwegian_Air_Shuttle_B737-800_%28LN-NGV%29_%40_ARN%2C_June_2016.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Norwegian_Air_Shuttle_B737-800_%28LN-NGV%29_%40_ARN%2C_June_2016.jpg/500px-Norwegian_Air_Shuttle_B737-800_%28LN-NGV%29_%40_ARN%2C_June_2016.jpg 2x" data-file-width="3430" data-file-height="2287" /></a><figcaption>Norwegian Air Shuttle fick sitt säregna callsign <i>Rednose</i> efter dess målning med främre delen av planet målat röd, som <a href="/wiki/Rudolf_med_r%C3%B6da_mulen" title="Rudolf med röda mulen">Rudolf med röda mulen</a>.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:N866RW_Embraer_170_Republic_Airways_(7543351726).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e8/N866RW_Embraer_170_Republic_Airways_%287543351726%29.jpg/250px-N866RW_Embraer_170_Republic_Airways_%287543351726%29.jpg" decoding="async" width="250" height="167" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e8/N866RW_Embraer_170_Republic_Airways_%287543351726%29.jpg/375px-N866RW_Embraer_170_Republic_Airways_%287543351726%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e8/N866RW_Embraer_170_Republic_Airways_%287543351726%29.jpg/500px-N866RW_Embraer_170_Republic_Airways_%287543351726%29.jpg 2x" data-file-width="2304" data-file-height="1536" /></a><figcaption><i>Brickyard</i> <a href="/wiki/Embraer_170" class="mw-redirect" title="Embraer 170">Embraer 170</a> från Republic Airways i dess ursprungliga målning innan övertagandet av <a href="/wiki/United_Airlines" title="United Airlines">United Airlines</a>.</figcaption></figure> <p><b>Callsign</b> eller <b>anropssignal</b> är inom <a href="/wiki/Flygtrafik" class="mw-redirect" title="Flygtrafik">flygtrafik</a> det namn eller kod som <a href="/wiki/Flygledning" title="Flygledning">flygledaren</a> använder i kommunikation med de flygplan de kontrollerar. <a href="/wiki/Flygbolag" title="Flygbolag">Flygbolags</a> callsigns är unika identifierare som används i radiokommunikation mellan flygplan och flygledare. De skiljer sig ofta från flygbolagets kommersiella namn och följer vissa internationella regler.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> Det finns åtskilliga regler för vad som får användas som callsign och hur de skall användas. Huvudpremisserna står skrivna i <a href="/wiki/Internationella_civila_luftfartsorganisationen" title="Internationella civila luftfartsorganisationen">Internationella civila luftfartsorganisationens</a> <i>Annex 10: Aeronautical Communications, Volume II - Communication Procedures, Chapter 5.</i><sup id="cite_ref-:0_2-0" class="reference"><a href="#cite_note-:0-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Användningen skiljer sig även mellan <a href="/wiki/Internationella_civila_luftfartsorganisationen" title="Internationella civila luftfartsorganisationen">Internationella civila luftfartsorganisationen</a> (ICAO) och <a href="/wiki/International_Air_Transport_Association" title="International Air Transport Association">International Air Transport Association</a> (IATA).<sup id="cite_ref-:1_3-0" class="reference"><a href="#cite_note-:1-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historia">Historia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Callsign&veaction=edit&section=1" title="Redigera avsnitt: Historia" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Callsign&action=edit&section=1" title="Redigera avsnitts källkod: Historia"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Historiskt sett användes tvåbokstavskoder för att identifiera flygbolag, men med tiden och den ökande mängden flygbolag övergick ICAO till ett system med trebokstavskoder för att rymma det växande antalet operatörer. Denna förändring genomfördes för att säkerställa tydlig och entydig identifiering av flygbolag i internationella flygoperationer.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Användning"><span id="Anv.C3.A4ndning"></span>Användning</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Callsign&veaction=edit&section=2" title="Redigera avsnitt: Användning" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Callsign&action=edit&section=2" title="Redigera avsnitts källkod: Användning"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>ICAO-designatorer består av en unik treställig bokstavskod och ett numeriskt eller alfanumeriskt flightnummer. Till exempel representeras Scandinavian Airlines av "SAS", så en flygning kan identifieras som "SAS945". British Airways använder "BAW" som sin ICAO-designator, vilket kan leda till ett callsign som "BAW100". IATA-koder däremot är tvåbokstavskoder som ofta används i biljettbokningar och passagerarinformation. Till exempel använder British Airways "BA" som sin IATA-kod, så en flygning kan refereras till som "BA100".<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-reference-link-bracket">[</span>5<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Vissa flygbolag använder sitt företagsnamn direkt som sitt callsign, såsom "Scandinavian" för <a href="/wiki/Scandinavian_Airlines" title="Scandinavian Airlines">Scandinavian Airlines</a>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-reference-link-bracket">[</span>6<span class="cite-reference-link-bracket">]</span></a></sup> Andra använder unika namn för att undvika förväxling och öka tydligheten i kommunikationen. Vad som avgör ett flygbolags callsign skiljer sig, men de överensstämmer alltså inte alltid med flygbolagets namn. Bland annat kan de bero på att dotterbolag använder ett annat <a href="/wiki/Luftcertifikat" title="Luftcertifikat">certifikat</a> (AOC) och att man då vill skilja på de olika operatörerna. Till exempel använder British Airways "Speedbird" som sitt callsign, vilket härstammar från deras historiska logotyp och ärvdes från <a href="/wiki/British_Overseas_Airways_Corporation" title="British Overseas Airways Corporation">British Overseas Airways Corporation</a> (BOAC).<sup id="cite_ref-jh_7-0" class="reference"><a href="#cite_note-jh-7"><span class="cite-reference-link-bracket">[</span>7<span class="cite-reference-link-bracket">]</span></a></sup> <a href="/wiki/Norwegian_Air_Shuttle" title="Norwegian Air Shuttle">Norwegian Air Shuttle</a> använder "Rednose".<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-reference-link-bracket">[</span>8<span class="cite-reference-link-bracket">]</span></a></sup> <a href="/wiki/PSA_Airlines" title="PSA Airlines">PSA Airlines</a> använder "Blue Streak".<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-reference-link-bracket">[</span>9<span class="cite-reference-link-bracket">]</span></a></sup> <a href="/wiki/US_Airways" title="US Airways">US Airways</a> använde tidigare callsign CACTUS, förevigat genom kapten <a href="/wiki/Chesley_Sullenberger" title="Chesley Sullenberger">Chesley Sullenbergers</a> nödrop till flygledningen efter <a href="/wiki/US_Airways_Flight_1549" title="US Airways Flight 1549">fågelkollisionen</a> över <a href="/wiki/New_York" title="New York">New York</a>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-reference-link-bracket">[</span>10<span class="cite-reference-link-bracket">]</span></a></sup> <a href="/w/index.php?title=Republic_Airlines&action=edit&redlink=1" class="new" title="Republic Airlines [inte skriven än]">Republic Airlines</a> använder "Brickyard". Flygbolaget har tagit sitt callsign från <a href="/wiki/Indianapolis_Motor_Speedway" title="Indianapolis Motor Speedway">Indianapolis Motor Speedway</a>, hem för <a href="/wiki/Indianapolis_500" title="Indianapolis 500">Indianapolis 500-loppet</a>. År <a href="/wiki/1909" title="1909">1909</a>, när banan belades med tre miljoner tegelstenar, gav lokalbefolkningen den smeknamnet ”The Brickyard”. Med över 130 flygplan i drift kan Republic Airlines callsign ”Brickyard” höras från kust till kust, varifrån inspirationen kommer.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-reference-link-bracket">[</span>11<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-jh_7-1" class="reference"><a href="#cite_note-jh-7"><span class="cite-reference-link-bracket">[</span>7<span class="cite-reference-link-bracket">]</span></a></sup> Callsign följs alltid av <a href="/wiki/Flightnummer" class="mw-redirect" title="Flightnummer">flightnumret</a> inom reguljärtrafik. Privatägda flygplan brukar dock använda sin registrering som callsign.<sup id="cite_ref-:0_2-1" class="reference"><a href="#cite_note-:0-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup> </p><p><a href="/wiki/Milit%C3%A4rflyg" title="Militärflyg">Militära flygningar</a> har ofta egna format, ofta med en kombination av flygplansnummer och enhetsbeteckning. Privatflyg och charterbolag kan använda anpassade callsigns, ibland baserade på flygplansregistreringen eller företagsnamnet.<sup id="cite_ref-:1_3-1" class="reference"><a href="#cite_note-:1-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-:2_12-0" class="reference"><a href="#cite_note-:2-12"><span class="cite-reference-link-bracket">[</span>12<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Enligt <a href="/wiki/Internationella_civila_luftfartsorganisationen" title="Internationella civila luftfartsorganisationen">Internationella civila luftfartsorganisationens</a> standarder ska callsigns vara unika globalt och lätta att uttala på engelska. De måste registreras hos lokala luftfartsmyndigheter och godkännas av ICAO. De skall vara utformade för säkerhet och tydlighet, vilket är den mest avgörande faktorn i valet av callsign. Callsigns är utformade för att minimera risken för missförstånd i radiokommunikation.<sup id="cite_ref-:3_13-0" class="reference"><a href="#cite_note-:3-13"><span class="cite-reference-link-bracket">[</span>13<span class="cite-reference-link-bracket">]</span></a></sup> Särskilt viktigt är det vid låghöjdsflygning och högriskfaser som start och landning, där ett missat radiosamtal kan ställa till det ordentligt. Därför undviks liknande callsigns mellan olika flygbolag kan leda till förvirring, särskilt i hektiska luftrum, och kan därför ändras vid behov.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-reference-link-bracket">[</span>14<span class="cite-reference-link-bracket">]</span></a></sup> Vid specialoperationer, såsom humanitära flygningar, kan flygbolag tilldelas tillfälliga callsigns för att ytterligare öka tydligheten.<sup id="cite_ref-:2_12-1" class="reference"><a href="#cite_note-:2-12"><span class="cite-reference-link-bracket">[</span>12<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-reference-link-bracket">[</span>15<span class="cite-reference-link-bracket">]</span></a></sup> Detta gäller såklart inte bara flygtrafiken utan även andra instanser där kommunikation är livsviktig och tidskritisk.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-reference-link-bracket">[</span>16<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Olika regioner kan ha ytterligare krav på callsigns. Till exempel har <a href="/wiki/Federal_Aviation_Administration" title="Federal Aviation Administration">Federal Aviation Administration</a> (FAA) i <a href="/wiki/USA" title="USA">USA</a> och <a href="/wiki/Europeiska_unionens_byr%C3%A5_f%C3%B6r_luftfartss%C3%A4kerhet" title="Europeiska unionens byrå för luftfartssäkerhet">Europeiska unionens byrå för luftfartssäkerhet</a> (EASA) specifika riktlinjer för att undvika sammanblandning av callsigns. Vissa länder kräver att callsigns följer ett visst mönster, särskilt för militära och statliga flygningar.<sup id="cite_ref-:2_12-2" class="reference"><a href="#cite_note-:2-12"><span class="cite-reference-link-bracket">[</span>12<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Flightnummer">Flightnummer</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Callsign&veaction=edit&section=3" title="Redigera avsnitt: Flightnummer" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Callsign&action=edit&section=3" title="Redigera avsnitts källkod: Flightnummer"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Flygnummer eller flightnummer är unika identifierare som flygbolag tilldelar sina flygningar för både operativa och informativa ändamål. Vanligtvis består ett flygnummer av flygbolagets tvåbokstavskod följt av en siffersekvens, till exempel "BA283" för British Airways flygning 283.<sup id="cite_ref-:4_17-0" class="reference"><a href="#cite_note-:4-17"><span class="cite-reference-link-bracket">[</span>17<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>I grund och botten är flygnumret en unik identifieringskod som tilldelas varje flygning, likt en registreringsskylt på en bil. Detta nummer fyller flera viktiga funktioner, såsom att hjälpa passagerare att snabbt hitta sin gates placering på flygplatsens informationsskärmar. Detta är särskilt användbart när flera flygningar går till samma destination samtidigt, vilket är vanligt under högsäsong för resor.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-reference-link-bracket">[</span>18<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Flygningar som går österut tilldelas ofta jämna nummer, medan de som går västerut får udda nummer. En flygning från <a href="/wiki/London" title="London">London</a> till <a href="/wiki/New_York" title="New York">New York</a> blir då tilldelad till exempel flygnummer 1, medan returflygningen blir Flight 2.<sup id="cite_ref-:4_17-1" class="reference"><a href="#cite_note-:4-17"><span class="cite-reference-link-bracket">[</span>17<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-reference-link-bracket">[</span>19<span class="cite-reference-link-bracket">]</span></a></sup> Användningen av udda och jämna flygnummer för att indikera flygriktning är en praxis som varierar mellan flygbolag och regioner. Vissa flygbolag tilldelar jämna nummer till östgående flygningar och udda nummer till västgående flygningar för att underlätta intern organisation och planering. Det är dock viktigt att notera att detta inte är en universell standard, och metoderna kan skilja sig åt beroende på flygbolagets interna policyer och operativa behov.<sup id="cite_ref-:3_13-1" class="reference"><a href="#cite_note-:3-13"><span class="cite-reference-link-bracket">[</span>13<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Denna praxis är inte nödvändigtvis kopplad till de flygnivåer som används under flygningen. Enligt internationella flygregler flyger flygplan på udda flygnivåer när de färdas österut (exempelvis 37 000 <a href="/wiki/Fot_(enhet)" title="Fot (enhet)">fot</a>) och på jämna flygnivåer när de färdas västerut (till exempel 38 000 fot).<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-reference-link-bracket">[</span>20<span class="cite-reference-link-bracket">]</span></a></sup> Detta system är utformat för att säkerställa säkra separationsstandarder mellan flygplan som flyger i motsatta riktningar.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-reference-link-bracket">[</span>21<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Sammanfattningsvis används udda och jämna flygnummer främst för flygbolagens interna syften och kan variera beroende på deras specifika rutiner och behov.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-reference-link-bracket">[</span>22<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Flygnummers betydelse och prioritet skiljer sig också. Lägre flygnummer tenderar att tilldelas flygrutter som anses vara viktigare eller mer trafikerade, medan högre, fyrsiffriga nummer, vanligtvis tilldelas <a href="/wiki/Fraktflygplan" title="Fraktflygplan">fraktflygplan</a>, <a href="/wiki/Ambulansflyg" title="Ambulansflyg">ambulansflyg</a>- eller <a href="/wiki/Flygcharter" title="Flygcharter">charteravgångar</a> samt rutter med låg passagerarfrekvens.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-reference-link-bracket">[</span>23<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-:5_24-0" class="reference"><a href="#cite_note-:5-24"><span class="cite-reference-link-bracket">[</span>24<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Dessa konventioner kan variera mellan olika flygbolag och regioner, och det finns ingen universell standard för tilldelning av flygnummer. Varje flygbolag utvecklar sitt eget system baserat på operativa behov, marknadsstrategier och historiska faktorer.<sup id="cite_ref-:5_24-1" class="reference"><a href="#cite_note-:5-24"><span class="cite-reference-link-bracket">[</span>24<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Referenser">Referenser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Callsign&veaction=edit&section=4" title="Redigera avsnitt: Referenser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Callsign&action=edit&section=4" title="Redigera avsnitts källkod: Referenser"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.transportstyrelsen.se/sv/luftfart/flygplatser-flygtrafiktjanst-och-luftrum/Anropssignaler-och-ICAO-koder/">”Anropssignaler: koder och radiotelefonibenämningar - Transportstyrelsen”</a>. <i><span>www.transportstyrelsen.se</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.transportstyrelsen.se/sv/luftfart/flygplatser-flygtrafiktjanst-och-luftrum/Anropssignaler-och-ICAO-koder/">https://www.transportstyrelsen.se/sv/luftfart/flygplatser-flygtrafiktjanst-och-luftrum/Anropssignaler-och-ICAO-koder/</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Anropssignaler%3A+koder+och+radiotelefoniben%C3%A4mningar+-+Transportstyrelsen&rft.atitle=www.transportstyrelsen.se&rft_id=https%3A%2F%2Fwww.transportstyrelsen.se%2Fsv%2Fluftfart%2Fflygplatser-flygtrafiktjanst-och-luftrum%2FAnropssignaler-och-ICAO-koder%2F&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:0-2">^ [<a href="#cite_ref-:0_2-0"><small>a</small></a> <a href="#cite_ref-:0_2-1"><small>b</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://skybrary.aero/articles/aircraft-call-sign">”Aircraft Call Sign | SKYbrary Aviation Safety”</a>. <i><span>skybrary.aero</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://skybrary.aero/articles/aircraft-call-sign">https://skybrary.aero/articles/aircraft-call-sign</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Aircraft+Call+Sign+%7C+SKYbrary+Aviation+Safety&rft.atitle=skybrary.aero&rft_id=https%3A%2F%2Fskybrary.aero%2Farticles%2Faircraft-call-sign&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:1-3">^ [<a href="#cite_ref-:1_3-0"><small>a</small></a> <a href="#cite_ref-:1_3-1"><small>b</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://store.icao.int/en/designators-for-aircraft-operating-agencies-aeronautical-authorities-and-services-doc-8585-210">”Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services (Doc 8585/210)”</a> (på engelska). <i><span>ICAO</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://store.icao.int/en/designators-for-aircraft-operating-agencies-aeronautical-authorities-and-services-doc-8585-210">https://store.icao.int/en/designators-for-aircraft-operating-agencies-aeronautical-authorities-and-services-doc-8585-210</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Designators+for+Aircraft+Operating+Agencies%2C+Aeronautical+Authorities+and+Services+%28Doc+8585%2F210%29&rft.atitle=ICAO&rft_id=https%3A%2F%2Fstore.icao.int%2Fen%2Fdesignators-for-aircraft-operating-agencies-aeronautical-authorities-and-services-doc-8585-210&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-4"><a href="#cite_ref-4">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.avcodes.co.uk/callsignlistres.asp">”The Aviation Code Web Site - ICAO Callsigns beginning with”</a>. <i><span>www.avcodes.co.uk</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.avcodes.co.uk/callsignlistres.asp">https://www.avcodes.co.uk/callsignlistres.asp</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=The+Aviation+Code+Web+Site+-+ICAO+Callsigns+beginning+with&rft.atitle=www.avcodes.co.uk&rft_id=https%3A%2F%2Fwww.avcodes.co.uk%2Fcallsignlistres.asp&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-5"><a href="#cite_ref-5">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.faa.gov/air_traffic/publications/atpubs/cnt_html/chap3_section_1.html">”Section 1. Aircraft Company/Telephony/Three−Letter Designator Encode”</a> (på engelska). <a href="/wiki/Federal_Aviation_Administration" title="Federal Aviation Administration">Federal Aviation Administration</a>. 28 februari 2019<span class="printonly">. <a rel="nofollow" class="external free" href="https://www.faa.gov/air_traffic/publications/atpubs/cnt_html/chap3_section_1.html">https://www.faa.gov/air_traffic/publications/atpubs/cnt_html/chap3_section_1.html</a></span><span class="reference-accessdate">. Läst 31 januari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Section+1.+Aircraft+Company%2FTelephony%2FThree%E2%88%92Letter+Designator+Encode&rft.atitle=&rft.date=28+februari+2019&rft.pub=%5B%5BFederal+Aviation+Administration%5D%5D&rft_id=https%3A%2F%2Fwww.faa.gov%2Fair_traffic%2Fpublications%2Fatpubs%2Fcnt_html%2Fchap3_section_1.html&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-6"><a href="#cite_ref-6">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.planespotters.net/airline/SAS">”SAS Scandinavian Airlines Fleet Details and History”</a> (på engelska). <i><span>Planespotters.net</span></i>. 31 januari 2025<span class="printonly">. <a rel="nofollow" class="external free" href="https://www.planespotters.net/airline/SAS">https://www.planespotters.net/airline/SAS</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=SAS+Scandinavian+Airlines+Fleet+Details+and+History&rft.atitle=Planespotters.net&rft.date=31+januari+2025&rft_id=https%3A%2F%2Fwww.planespotters.net%2Fairline%2FSAS&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-jh-7">^ [<a href="#cite_ref-jh_7-0"><small>a</small></a> <a href="#cite_ref-jh_7-1"><small>b</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFJake_Hardiman2025">Jake Hardiman (29 augusti 2022). <a rel="nofollow" class="external text" href="https://simpleflying.com/aviation-iconic-callsigns-guide/">”Radio Stars: How Aviation's Most Iconic Callsigns Came To Be”</a> (på engelska). <i><span>Simple Flying</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://simpleflying.com/aviation-iconic-callsigns-guide/">https://simpleflying.com/aviation-iconic-callsigns-guide/</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Radio+Stars%3A+How+Aviation%27s+Most+Iconic+Callsigns+Came+To+Be&rft.atitle=Simple+Flying&rft.aulast=Jake+Hardiman&rft.au=Jake+Hardiman&rft.date=29+augusti+2022&rft_id=https%3A%2F%2Fsimpleflying.com%2Faviation-iconic-callsigns-guide%2F&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-8"><a href="#cite_ref-8">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://123atc.com/call-sign/NSZ">”NSZ Call Sign REDNOSE”</a>. <i><span>123atc.com</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://123atc.com/call-sign/NSZ">https://123atc.com/call-sign/NSZ</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=NSZ+Call+Sign+REDNOSE&rft.atitle=123atc.com&rft_id=https%3A%2F%2F123atc.com%2Fcall-sign%2FNSZ&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-9"><a href="#cite_ref-9">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://123atc.com/call-sign/JIA">”JIA Call Sign BLUE STREAK”</a>. <i><span>123atc.com</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://123atc.com/call-sign/JIA">https://123atc.com/call-sign/JIA</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=JIA+Call+Sign+BLUE+STREAK&rft.atitle=123atc.com&rft_id=https%3A%2F%2F123atc.com%2Fcall-sign%2FJIA&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-10"><a href="#cite_ref-10">^</a> <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFMark_Finlay2024">Mark Finlay (22 april 2024). <a rel="nofollow" class="external text" href="https://simpleflying.com/us-airways-cactus-callsign-explanation/">”Here's Why US Airways Was Called Cactus”</a> (på engelska). <i><span>Simple Flying</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://simpleflying.com/us-airways-cactus-callsign-explanation/">https://simpleflying.com/us-airways-cactus-callsign-explanation/</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Here%27s+Why+US+Airways+Was+Called+Cactus&rft.atitle=Simple+Flying&rft.aulast=Mark+Finlay&rft.au=Mark+Finlay&rft.date=22+april+2024&rft_id=https%3A%2F%2Fsimpleflying.com%2Fus-airways-cactus-callsign-explanation%2F&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-11"><a href="#cite_ref-11">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.premierflightct.com/newsletters/TrainingArticles/AirlineCallsigns.html">”Airline Call Signs”</a>. <i><span>www.premierflightct.com</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.premierflightct.com/newsletters/TrainingArticles/AirlineCallsigns.html">https://www.premierflightct.com/newsletters/TrainingArticles/AirlineCallsigns.html</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Airline+Call+Signs&rft.atitle=www.premierflightct.com&rft_id=https%3A%2F%2Fwww.premierflightct.com%2Fnewsletters%2FTrainingArticles%2FAirlineCallsigns.html&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:2-12">^ [<a href="#cite_ref-:2_12-0"><small>a</small></a> <a href="#cite_ref-:2_12-1"><small>b</small></a> <a href="#cite_ref-:2_12-2"><small>c</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20250122154119/https://www.faa.gov/air_traffic/publications/atpubs/cnt_html/">”FAA Order JO 7340.2N”</a> (på engelska). <i><span>www.faa.gov</span></i>. Arkiverad från <a rel="nofollow" class="external text" href="https://www.faa.gov/air_traffic/publications/atpubs/cnt_html/">originalet</a> den 22 januari 2025<span class="printonly">. <a rel="nofollow" class="external free" href="https://web.archive.org/web/20250122154119/https://www.faa.gov/air_traffic/publications/atpubs/cnt_html/">https://web.archive.org/web/20250122154119/https://www.faa.gov/air_traffic/publications/atpubs/cnt_html/</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=FAA+Order+JO+7340.2N&rft.atitle=www.faa.gov&rft_id=https%3A%2F%2Fweb.archive.org%2Fweb%2F20250122154119%2Fhttps%3A%2F%2Fwww.faa.gov%2Fair_traffic%2Fpublications%2Fatpubs%2Fcnt_html%2F&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:3-13">^ [<a href="#cite_ref-:3_13-0"><small>a</small></a> <a href="#cite_ref-:3_13-1"><small>b</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://skybrary.aero/articles/flight-level-or-altitude-confusion">”Flight Level or Altitude Confusion | SKYbrary Aviation Safety”</a>. <i><span>skybrary.aero</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://skybrary.aero/articles/flight-level-or-altitude-confusion">https://skybrary.aero/articles/flight-level-or-altitude-confusion</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Flight+Level+or+Altitude+Confusion+%7C+SKYbrary+Aviation+Safety&rft.atitle=skybrary.aero&rft_id=https%3A%2F%2Fskybrary.aero%2Farticles%2Fflight-level-or-altitude-confusion&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-14"><a href="#cite_ref-14">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20250118184532/https://www.faa.gov/air_traffic/publications/atpubs/atc_html/chap4_section_5.html">”Altitude Assignment and Verification”</a> (på engelska). <i><span>www.faa.gov</span></i>. Arkiverad från <a rel="nofollow" class="external text" href="https://www.faa.gov/air_traffic/publications/atpubs/atc_html/chap4_section_5.html">originalet</a> den 18 januari 2025<span class="printonly">. <a rel="nofollow" class="external free" href="https://web.archive.org/web/20250118184532/https://www.faa.gov/air_traffic/publications/atpubs/atc_html/chap4_section_5.html">https://web.archive.org/web/20250118184532/https://www.faa.gov/air_traffic/publications/atpubs/atc_html/chap4_section_5.html</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Altitude+Assignment+and+Verification&rft.atitle=www.faa.gov&rft_id=https%3A%2F%2Fweb.archive.org%2Fweb%2F20250118184532%2Fhttps%3A%2F%2Fwww.faa.gov%2Fair_traffic%2Fpublications%2Fatpubs%2Fatc_html%2Fchap4_section_5.html&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-15"><a href="#cite_ref-15">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.safety.af.mil/News/Article-Display/Article/945563/clarity-in-communication/">”Clarity in communication”</a> (på amerikansk engelska). <i><span>Air Force Safety Center</span></i>. 15 september 2016<span class="printonly">. <a rel="nofollow" class="external free" href="https://www.safety.af.mil/News/Article-Display/Article/945563/clarity-in-communication/">https://www.safety.af.mil/News/Article-Display/Article/945563/clarity-in-communication/</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Clarity+in+communication&rft.atitle=Air+Force+Safety+Center&rft.date=15+september+2016&rft_id=https%3A%2F%2Fwww.safety.af.mil%2FNews%2FArticle-Display%2FArticle%2F945563%2Fclarity-in-communication%2F&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-16"><a href="#cite_ref-16">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://unitedtaskforce.net/training/sop/communication/basics-callsigns">”Basics: Callsigns - Communication - United Task Force (UNITAF) Arma 3”</a>. <i><span>unitedtaskforce.net</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://unitedtaskforce.net/training/sop/communication/basics-callsigns">https://unitedtaskforce.net/training/sop/communication/basics-callsigns</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Basics%3A+Callsigns+-+Communication+-+United+Task+Force+%28UNITAF%29+Arma+3&rft.atitle=unitedtaskforce.net&rft_id=https%3A%2F%2Funitedtaskforce.net%2Ftraining%2Fsop%2Fcommunication%2Fbasics-callsigns&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:4-17">^ [<a href="#cite_ref-:4_17-0"><small>a</small></a> <a href="#cite_ref-:4_17-1"><small>b</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://airclaim.com/sv/vad-ar-ett-flightnummer-och-varfor-ar-det-viktigt/?utm_source=chatgpt.com">”Vad är ett flightnummer och varför är det viktigt? - Air Claim”</a>. <i><span>airclaim.com</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://airclaim.com/sv/vad-ar-ett-flightnummer-och-varfor-ar-det-viktigt/?utm_source=chatgpt.com">https://airclaim.com/sv/vad-ar-ett-flightnummer-och-varfor-ar-det-viktigt/?utm_source=chatgpt.com</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Vad+%C3%A4r+ett+flightnummer+och+varf%C3%B6r+%C3%A4r+det+viktigt%3F+-+Air+Claim&rft.atitle=airclaim.com&rft_id=https%3A%2F%2Fairclaim.com%2Fsv%2Fvad-ar-ett-flightnummer-och-varfor-ar-det-viktigt%2F%3Futm_source%3Dchatgpt.com&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-18"><a href="#cite_ref-18">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://airadvisor.com/sv/blogg/hitta-ditt-flygnummer?">”Guide: Hitta ditt flygnummer utan att onödig stress och å...”</a>. <i><span>AirAdvisor</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://airadvisor.com/sv/blogg/hitta-ditt-flygnummer">https://airadvisor.com/sv/blogg/hitta-ditt-flygnummer</a>?</span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Guide%3A+Hitta+ditt+flygnummer+utan+att+on%C3%B6dig+stress+och+%C3%A5...&rft.atitle=AirAdvisor&rft_id=https%3A%2F%2Fairadvisor.com%2Fsv%2Fblogg%2Fhitta-ditt-flygnummer%3F&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-19"><a href="#cite_ref-19">^</a> <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFCecilia_Öhrn2025">Cecilia Öhrn (4 mars 2023). <a rel="nofollow" class="external text" href="https://alltomresor.expressen.se/flyg-1/hemligheterna-bakom-flygens-flight-nummer/?utm_source=chatgpt.com">”Här är hemligheterna bakom flygens flight-nummer”</a>. <i><span>Allt om Resor</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://alltomresor.expressen.se/flyg-1/hemligheterna-bakom-flygens-flight-nummer/?utm_source=chatgpt.com">https://alltomresor.expressen.se/flyg-1/hemligheterna-bakom-flygens-flight-nummer/?utm_source=chatgpt.com</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=H%C3%A4r+%C3%A4r+hemligheterna+bakom+flygens+flight-nummer&rft.atitle=Allt+om+Resor&rft.aulast=Cecilia+%C3%96hrn&rft.au=Cecilia+%C3%96hrn&rft.date=4+mars+2023&rft_id=https%3A%2F%2Falltomresor.expressen.se%2Fflyg-1%2Fhemligheterna-bakom-flygens-flight-nummer%2F%3Futm_source%3Dchatgpt.com&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-20"><a href="#cite_ref-20">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.meteoswiss.admin.ch/weather/weather-and-climate-from-a-to-z/flight-levels.html#:~:text=Safe%20vertical%20separation%20is%20ensured,to%20avoid%20mid-air%20collisions.">”Flight levels - MeteoSwiss”</a> (på engelska). <i><span>www.meteoswiss.admin.ch</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.meteoswiss.admin.ch/weather/weather-and-climate-from-a-to-z/flight-levels.html#:~:text=Safe%20vertical%20separation%20is%20ensured,to%20avoid%20mid-air%20collisions">https://www.meteoswiss.admin.ch/weather/weather-and-climate-from-a-to-z/flight-levels.html#:~:text=Safe%20vertical%20separation%20is%20ensured,to%20avoid%20mid-air%20collisions</a>.</span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Flight+levels+-+MeteoSwiss&rft.atitle=www.meteoswiss.admin.ch&rft_id=https%3A%2F%2Fwww.meteoswiss.admin.ch%2Fweather%2Fweather-and-climate-from-a-to-z%2Fflight-levels.html%23%3A%7E%3Atext%3DSafe%2520vertical%2520separation%2520is%2520ensured%2Cto%2520avoid%2520mid-air%2520collisions.&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-21"><a href="#cite_ref-21">^</a> <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFTom_Turner">Tom Turner (22 oktober 2017). <a rel="nofollow" class="external text" href="https://www.aviationsafetymagazine.com/features/into-the-flight-levels/">”Into The Flight Levels”</a> (på amerikansk engelska). <i><span>Aviation Safety</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.aviationsafetymagazine.com/features/into-the-flight-levels/">https://www.aviationsafetymagazine.com/features/into-the-flight-levels/</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Into+The+Flight+Levels&rft.atitle=Aviation+Safety&rft.aulast=Tom+Turner&rft.au=Tom+Turner&rft.date=22+oktober+2017&rft_id=https%3A%2F%2Fwww.aviationsafetymagazine.com%2Ffeatures%2Finto-the-flight-levels%2F&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-22"><a href="#cite_ref-22">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.eurocontrol.int/publication/flight-level-orientation-scheme-eurocontrol-nm-area-may-2021">”Flight level orientation scheme - EUROCONTROL NM area - May 2021 | EUROCONTROL”</a> (på engelska). <i><span>www.eurocontrol.int</span></i>. 7 maj 2021<span class="printonly">. <a rel="nofollow" class="external free" href="https://www.eurocontrol.int/publication/flight-level-orientation-scheme-eurocontrol-nm-area-may-2021">https://www.eurocontrol.int/publication/flight-level-orientation-scheme-eurocontrol-nm-area-may-2021</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Flight+level+orientation+scheme+-+EUROCONTROL+NM+area+-+May+2021+%7C+EUROCONTROL&rft.atitle=www.eurocontrol.int&rft.date=7+maj+2021&rft_id=https%3A%2F%2Fwww.eurocontrol.int%2Fpublication%2Fflight-level-orientation-scheme-eurocontrol-nm-area-may-2021&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-23"><a href="#cite_ref-23">^</a> <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFEUclaim2025">EUclaim (7 mars 2017). <a rel="nofollow" class="external text" href="https://www.euclaim.com/blog/flight-numbers-explained-where-do-flight-numbers-come-from">”Flight numbers explained: Where do flight numbers come from?”</a>. <i><span>EUclaim</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.euclaim.com/blog/flight-numbers-explained-where-do-flight-numbers-come-from">https://www.euclaim.com/blog/flight-numbers-explained-where-do-flight-numbers-come-from</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Flight+numbers+explained%3A+Where+do+flight+numbers+come+from%3F&rft.atitle=EUclaim&rft.aulast=EUclaim&rft.au=EUclaim&rft.date=7+mars+2017&rft_id=https%3A%2F%2Fwww.euclaim.com%2Fblog%2Fflight-numbers-explained-where-do-flight-numbers-come-from&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:5-24">^ [<a href="#cite_ref-:5_24-0"><small>a</small></a> <a href="#cite_ref-:5_24-1"><small>b</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFMark_Finlay2025">Mark Finlay (13 augusti 2023). <a rel="nofollow" class="external text" href="https://simpleflying.com/flight-numbers-determining-factors-guide/">”Which Factors Determine How Flight Numbers Are Structured?”</a> (på engelska). <i><span>Simple Flying</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://simpleflying.com/flight-numbers-determining-factors-guide/">https://simpleflying.com/flight-numbers-determining-factors-guide/</a></span><span class="reference-accessdate">. Läst 1 februari 2025</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Which+Factors+Determine+How+Flight+Numbers+Are+Structured%3F&rft.atitle=Simple+Flying&rft.aulast=Mark+Finlay&rft.au=Mark+Finlay&rft.date=13+augusti+2023&rft_id=https%3A%2F%2Fsimpleflying.com%2Fflight-numbers-determining-factors-guide%2F&rfr_id=info:sid/en.wikipedia.org:Callsign"><span style="display: none;"> </span></span></span> </li> </ol></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Hämtad från ”<a dir="ltr" href="https://sv.wikipedia.org/w/index.php?title=Callsign&oldid=56975217#Flightnummer">https://sv.wikipedia.org/w/index.php?title=Callsign&oldid=56975217#Flightnummer</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Wikipedia:Kategorier" title="Wikipedia:Kategorier">Kategorier</a>: <ul><li><a href="/wiki/Kategori:Flygteknik" title="Kategori:Flygteknik">Flygteknik</a></li><li><a href="/wiki/Kategori:Flygs%C3%A4kerhet" title="Kategori:Flygsäkerhet">Flygsäkerhet</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Sidan redigerades senast den 28 februari 2025 kl. 06.38.</li> <li id="footer-info-copyright">Wikipedias text är tillgänglig under licensen <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.sv">Creative Commons Erkännande-dela-lika 4.0 Unported</a>. 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