Testing
Hi tomasjames,
I 100% see where you're coming from. I work in an oil field fluids laboratory in Aberdeen. We repeats tests 4, 5 sometimes even 6 times. One test is simply not representative. Like you say, conditions change all of the time.
The way the CAA test people for colour vision deficiency is completely wrong and in my opinion is very backwards.
It also has absolutely no significance to flying an aircraft safely in the dark. All the tests do are confirm that the individual is colour deficient, which we already know!! What we need is a test that shows we can properly execute flying operations in darkness!!
It's frustrating and very sad that today in the 21st century, ICAO haven't changed their standards and methods of testing CVD pilots.