The ones I've seen are a-z, not qwerty: https://www.simpits.org/articles/Boeing_simtour/simtour30.jpg https://www.simpits.org/articles/Boeing_simtour/simtour30

The ones I've seen are a-z, not qwerty: https://www.simpits.org/articles/Boeing_simtour/simtour30.jpg https://www.simpits.org/articles/Boeing_simtour/simtour30.jp... And English because anything you'd need to enter, like waypoints or airport IDs use roman/latin letters or numbers.