Originally Posted by sailingfun;[url=tel:3612005
3612005]It doesn’t actually work that way and there are requirements to see day colors. He could downgrade to a sport license but the aircraft he flew would not be legal. He can apply for a SODA but that should cover his commercial flying if approved.
It actually does work that way. You leave the doctors office with a medical, it has a restriction put on it that says
not valid for night flying or by color signal control.
United will not allow you to fly with that restriction.
Here is a good article. At the end of it it says:”If you fail the color vision testing during your medical exam you will have the restriction of not valid for night flying or by color signal control”
https://www.color-blindness.com/2009/07/30/color-blind-testing-guide-for-pilot-applicants/