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Navigation




                                  9.7.1.2   Drift .............................................................................................. 848

                                  9.7.1.3   Wind correction angle (WCA) ........................................................ 848
                          9.7.2      Speed designations GS, TAS, IAS and CAS ........................................... 849

                                  9.7.2.1   Ground Speed (GS) ........................................................................ 849

                                  9.7.2.2   True Air Speed (TAS)...................................................................... 849
                                  9.7.2.3   Indicated Air Speed (IAS) ............................................................... 849

                                  9.7.2.4   Calibrated Air Speed (CAS) ............................................................ 849

                          9.7.3      Heading and wind .............................................................................. 850
                                  9.7.3.1   Track and True Track (TT) .............................................................. 850

                                  9.7.3.2   Drift .............................................................................................. 850

                                  9.7.3.3   Wind correction angle (WCA) ........................................................ 850
                                  9.7.3.4   Wind component (WC) .................................................................. 851

                                  9.7.3.5   Wind direction (W) and velocity (V) ............................................... 851

                          9.7.4      North references, headings and wind angles ...................................... 851

                          9.7.5      Practical use ....................................................................................... 853
                                  9.7.5.1   Specifying the wind ....................................................................... 854

                                  9.7.5.2   TAS and GS .................................................................................... 854

                                  9.7.5.3   TH and WCA .................................................................................. 854
                                  9.7.5.4   MH, CH, deviation and variation .................................................... 854

                   9.8    The navigation computer CRP1W and CRP ........................................ 856

                          9.8.1      The scale side ..................................................................................... 856

                                  9.8.1.1   Converting speed, time, distance .................................................. 857

                                  9.8.1.2   Conversion of measurements ........................................................ 857
                                  9.8.1.3   Calculating fuel consumption ........................................................ 857

                                  9.8.1.4   Determining true altitude, density, pressure ................................. 858
                          9.8.2      The wind side ..................................................................................... 858

                                  9.8.2.1   The slider ...................................................................................... 859

                                  9.8.2.2   The wind arm ................................................................................ 859

                                  9.8.2.3   Grommet /center dot .................................................................... 859
                          9.8.3      Using the computer – a brief overview ............................................... 860

                                  9.8.3.1   The wind side ................................................................................ 860

                                  9.8.3.2   The inner part of the scale side ..................................................... 862



              Flyveteori PPL(A)(UL)/LAPL             Henning Andersen, Midtjysk Flyveskole© marts 2026
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