An aeronautical psychophysical examination is an evaluation that is routinely performed on people who need to have a psychophysical certificate (also called a psychotechnic), which guarantees that they are people capable both mentally and physically of carrying out activities that require concentration, motor coordination, visual acuity and else; as is the case of aeronautics. Psychophysics is a discipline of psychology that is responsible for analyzing the link between the magnitude of physical stimuli and the intensity of the person's perception.