Page 141 - Luftfartsret 2021
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Effekt af vindgradient og vindbyger på start og landing ............................ 183
Angivelse af skymængde ......................................................................... 183
3.6.2 Tåge, tågedis og tør-dis ................................................................ 184
3.6.3 Advektions- og fronttåge ............................................................. 186
3.6.4 Sigtbarhed ved tågedis, sne, røg, støv og sandfygning.................. 187
3.7 Luftmasser ......................................................................... 190
3.7.1 Ændring af en luftmasse .............................................................. 191
3.8 Fronter .............................................................................. 197
3.8.1 Vandrende lavtryk ....................................................................... 198
3.8.2 Frontskyer ................................................................................... 199
Varmfronten ........................................................................................... 201
Koldfronten ............................................................................................. 202
Okklusion ................................................................................................ 202
3.9 Farligt flyvevejr .................................................................. 204
3.9.1 Vejrfænomener og SIGMETS ........................................................ 205
3.9.2 Isdannelse ................................................................................... 207
3.9.3 Banetilstand ................................................................................ 211
Symboler på vejrkort .............................................................................. 213
3.9.4 Torden ......................................................................................... 213
3.9.5 Flyvning i bjergområder ............................................................... 219
3.10. Klimatologi ....................................................................... 220
3.11. Meteorologisk information ............................................... 222
3.11.1 Vejrinformation til forberedelse af flyvning ................................ 223
3.11.2 Forkortelser – vejrfænomener .................................................... 226
3.11.3 Forkortelser og symboler på Significant Weather Chart .............. 227
3.11.4 General Aviation Forecast .......................................................... 229
3.11.5 Observationer – aktuelt vejr ....................................................... 230
3.11.6 Koder METAR, TREND, TAF ......................................................... 231
Metar .................................................................................................... 232
Trend .................................................................................................... 235
TAF........................................................................................................ 236
VMC ...................................................................................................... 237
Vejroplysninger under flyvningen .......................................................... 238
Flyveteori PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© 2023
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