Scientists found 222 nanometer far-UVC light was just as effective as broad spectrum UV light at killing and deactivating the aerosolized influenza virus. (and is safer)
There was a UV light robotic company that had offered free use of their UV machines, to disinfect our airplanes, several weeks ago.
Not sure if any of the airlines took the company up on it’s offer. Not that I’ve read/heard.
https://healthcare-in-europe.com/en/news/coronavirus-faq-to-dispel-fake-harmful-advice.html
WHO says not to use UV light. WHO says no to every thing but accepting packages from China.