Does the canopy/Windshield of a aircraft filter UV rays?

The windscreen is designed to protect against both UV-A and UV-B. The FAA did some testing on the performance of different types, and published results here. read more

Polycarbonate and similar plastics are pretty good at providing protection from both UV-A and UV-B; pure glass usually needs an added film (kind of like tinting a car’s windows) to provide effective UV-A protection. read more

1% for UV-B (280-320 nm) radiation. In the UV-A portion (320-380 nm) of the spectrum, transmittance differences increased from 0.41% to 53.5%, with plastic attenuating more UV radiation than glass. read more