Although we have a field of vision of more than 180° it is important during flight to use the scanning technique, because:
Domanda 103, Human Performance and Limitations - ATPL - Airline Transport Pilot license
| It is tiring to look continually in the same direction |
| Only in the peripheral area of the retina resolution is good enough to see an object clearly |
| Only in the foveal area resolution is good enough to see an object clearly |
| The reduction in the field of vision with decreasing altitude is due to a lack of vitamin A |
