Page 129 - PPL BEG-engelsk

Human Performance

2.4.1.4 Conscious and unconscious processing ............................................... 149
2.4.2 The autonomic nervous system ............................................................... 150

2.4.2.1 Sympathetic and parasympathetic nervous system ............................ 150

2.4.3 Diseases in the nervous system .............................................................. 150

2.5 The senses ......................................................................................... 151

2.5.1 Vision ...................................................................................................... 152

2.5.1.1 The blind spot .................................................................................... 152
2.5.1.2 Central and peripheral vision.............................................................. 153

2.5.1.3 Rods and cones .................................................................................. 154
2.5.1.4 Visual perception ............................................................................... 155

2.5.1.5 Eye diseases ....................................................................................... 156

2.5.2 Approach illusions................................................................................... 156

2.5.2.1 Approach to uphill sloping runway .................................................... 157
2.5.2.2 Approach to downhill sloping runway................................................ 157

2.5.3 Other traffic ............................................................................................ 158

2.5.3.1 Collision risk ...................................................................................... 158
2.5.4 Hearing ................................................................................................... 159

2.5.4.1 Structure of the ear ........................................................................... 160

2.5.4.2 Pressure in the ear ............................................................................ 160
2.5.4.3 The semicircular canals ..................................................................... 161

2.5.4.4 Otoliths (ear stones) .......................................................................... 162

2.5.5 The sense of balance .............................................................................. 162
2.5.5.1 Spatial disorientation ........................................................................ 164

2.5.5.2 Graveyard spin and cross-coupling .................................................... 165

2.5.5.3 Leans................................................................................................. 165
2.5.5.4 Illusion of high speed......................................................................... 166

2.5.6 Non-verbal communication .................................................................... 166

2.5.7 Perception .............................................................................................. 167

2.5.7.1 Stimuli and response .......................................................................... 168
2.5.7.2 Complacency ..................................................................................... 170

2.6 Flying and health ................................................................................ 170

2.6.1 Pilot condition and preparation .............................................................. 171

2.6.2 Illness and medication ............................................................................ 172

Flight Theory PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© marts 2026 129