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9.7.1.2 Afdrift ................................................................................................413

9.7.1.3 Vindkorrektionsvinkel (WCA) ............................................................413

9.7.2 Betegnelser for hastighed GS, TAS, IAS og CAS .................................... 414
9.7.2.1 Ground Speed (GS) ...........................................................................414

9.7.2.2 True Air Speed (TAS) .........................................................................414

9.7.2.3 Indicated Air Speed (IAS) ..................................................................414
9.7.2.4 Calibrated Air Speed (CAS) ................................................................414

9.7.3 Retning og vind ..................................................................................... 415

9.7.3.1 Track og True Track (TT) ...................................................................415
9.7.3.2 Drift ...................................................................................................415

9.7.3.3 Vindkorrektionsvinklen (WCA) .........................................................415

9.7.3.4 Vindkomponenten (WC) ...................................................................416
9.7.3.5 Vindens retning (W) og styrke (V).....................................................416

9.7.4 Nordreferencer, retningsangivelser og vindvinkler .............................. 417

9.7.5 Brug i praksis ......................................................................................... 418

9.7.5.1 Angivelse af vinden ...........................................................................419
9.7.5.2 TAS og GS ..........................................................................................419

9.7.5.3 TH og WCA ........................................................................................419

9.7.5.4 MH, CH, deviation og variation .........................................................419
9.8 Navigationscomputeren CRP1W og CRP ................................................... 421

9.8.1 Skalasiden ............................................................................................. 421

9.8.1.1 Omregning fart, tid, distance ............................................................422

9.8.1.2 Omregning mål .................................................................................422
9.8.1.3 Beregning af brændstofforbrug ........................................................422

9.8.1.4 Bestemmelse af sand højde, tæthed, tryk ........................................423

9.8.2 Vindsiden .............................................................................................. 423

9.8.2.1 Skyderen ...........................................................................................424
9.8.2.2 Vindarmen ........................................................................................424

9.8.2.3 Grommet /center dot .......................................................................424
9.8.3 Brug af computer – en kort gennemgang ............................................. 425

9.8.3.1 Vindsiden ..........................................................................................425

9.8.3.2 Skalasidens inderste del....................................................................427

9.8.3.3 Fra IAS til CAS ....................................................................................427

Flyveteori PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© 2025 363