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                                  9.4.3.2   Information på ICAO-kortet ..............................................................819

                                  9.4.3.3   Målestoksforhold og skalaangivelse .................................................821

                                  9.4.3.4   Højdeangivelse på kortet ..................................................................822
                   9.5    Retningsbeskrivelse…… ............................................................................. 825

                          9.5.1      Referenceretning .................................................................................. 825

                                  9.5.1.1   Referencelinjen .................................................................................826

                          9.5.2      Geografisk nord/sand nord og magnetisk nord .................................... 826

                                  9.5.2.1   Geografisk nord / sand nord (TN) .....................................................826
                                  9.5.2.2   Magnetisk nord .................................................................................827

                          9.5.3      Jordens magnetfelt ............................................................................... 828

                                  9.5.3.1   Inklination .........................................................................................828
                          9.5.4      Variation / misvisning / deklination ...................................................... 829

                                  9.5.4.1   Isogoner ............................................................................................831

                                  9.5.4.2   Variation på ICAO-kort ......................................................................831
                                  9.5.4.3   Agonic-line ........................................................................................832

                   9.6    Magnetismens indflydelse på flyet ........................................................... 832

                          9.6.1      Deviation og kompasnord ..................................................................... 832

                                  9.6.1.1   Kompasnord (CN) ..............................................................................833

                                  9.6.1.2   Deviation ...........................................................................................832
                                  9.6.1.3   Deviationstabel .................................................................................833

                                  9.6.1.4   Fejlvisning på magnetkompasset ......................................................834

                                  9.6.1.5   Brug af magnetkompas og kursgyro i praksis ...................................834
                          9.6.2      Overblik – det hele samlet .................................................................... 835

                          9.6.3      Måling af ruter på kortet ...................................................................... 835

                                  9.6.3.1   True Track (TT) ..................................................................................835

                                  9.6.3.2   Distance ............................................................................................836
                                  9.6.3.3   Samlet overblik - tabel ......................................................................838

                                  9.6.3.4   ”Kan Døde Mus Virke Triste” ............................................................838
                                  9.6.3.5   Heading og track ...............................................................................840

                                  9.6.3.6   Hastighed Knob (kt) ..........................................................................841

                   9.7    Flyvning i vind…………... .............................................................................. 841

                          9.7.1      Vindtrekanten ....................................................................................... 841

                                  9.7.1.1   Heading .............................................................................................843


             Flyveteori PPL(A)(UL)/LAPL             Henning Andersen, Midtjysk Flyveskole© 2025               792
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