"I learned to fly during the prehistory of aviation (1967) when ground control was performed by hand waving red and green wood panels. Of course I could not tell the colors, but the hand waving was explicit enough to be unequivocal as to the controller's purpose. In fact, when he mistakenly swapped the panels I was the only one to understand his intentions! [...] A few years ago, strolling through the Palo Alto airport I was training to recognise airplanes wingtip nav lights and suddenly realized that one of them had inverted its red and green lights! Not only it took a color blind fellow to notice the error, but in flight at night only a color blind pilot would have properly identified the collision risk, since we use other clues!" |
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Dr. Michel C. Caplain, Grenoble (Frankreich)
Farbwahrnehmungsdefekter Wissenschaftler und Privatpilot |
"It is, therefore, quite impossible to say from a text alone how people will respond to it." |
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Norman N. Holland (1975)
5 Readers Reading. London. |
"[...] to make it more pleasing to the eye, a benefit that applies to all grades of defective colour vision as well as to the colour normal [individual; NK]." |
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Dr. Arthur Pape (Australien)
Farbwahrnehmungsdefekter Mediziner und Berufspilot |
