> Airlines ensuring their flight crews are complying with federal laws I think you're mistaking the country, KLM is a Dutch airline, and the Netherlands is not

> Airlines ensuring their flight crews are complying with federal laws I think you're mistaking the country, KLM is a Dutch airline, and the Netherlands is not a federation. They're under EASA and ICAO regulations, on top of Dutch and (every country they operate in) regulations. > Airlines setting their own medical standards differently is what I (and the pilots’ union) think is improper. It's up to them to set those medical standards if they think they're needed. They probably have mental health standards too, considering the worst air disaster in terms of death toll was caused by a pilot of theirs forgetting he's not in a simulator with bad visibility and crashing his 747 into another 747. As has already been said, many countries require Covid vaccination for entry, including in the EU. Why would an airline not require their air staff to be vaccinated?