As we know, at higher altitudes the dose of UV rays increases, and planes usually spend a larger time there, then why aren't windows of airplanes made UV proof. A simple coating on the inside might solve the problem.

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    $\begingroup$ are you asking if they are, or do you already know the answer and are asking why is it so? $\endgroup$
    – Federico
    Jan 20, 2016 at 13:26
  • $\begingroup$ I would like to know are they UV proof.. Older aircrafts may not be, but maybe some new aircraft might have some coating.. And if they are not, then why don't they address the issue. $\endgroup$
    – Firee
    Jan 20, 2016 at 13:28
  • $\begingroup$ @Firee The top answer to the other question explains it quite clearly: Yes, they are enough UV-proof. I fail to see what you want to achieve. $\endgroup$
    – yo'
    Jan 20, 2016 at 13:32
  • $\begingroup$ @yo: Read the edit on the answer you are referring to. It says it needs some kind of coating. So, do aircraft manufacturers apply any kind of coating? $\endgroup$
    – Firee
    Jan 20, 2016 at 13:35
  • 1
    $\begingroup$ Then please consider revising the wording, in your title you ask if, but when you say then why aren't you are assuming they aren't. $\endgroup$
    – Federico
    Jan 20, 2016 at 15:34


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