cross-posted from: https://lemmy.ca/post/64612634
Error in the text: 1000mW laser with 532nm wavelength which is green light.
1000nm light is infrared.
It's not that it messes with their guidance, but the materials the cockpit windows are made of scintillate when hit with a laser, make it impossible for the pilot to see out. It's a problem at altitude, and could easily cause a crash at low altitude when approaching landing.