Not sure if crash or hard landing or what, but employees definitely wear planes. I fixed my landing gear section each of the two 24 H periods my employee had my cub. They were new each time they had it, and came back needing maintenance at great expense.
I doubt very much that’s a bug because how would an employee be able to dmg without it being added in by the devs to begin with? I also get the insurance popup when going to maintenance so I assume they did wreck as opposed to just being hard on the plane.
Sorry all, this is the game they made. Everything points to them selling credits later on. There is really no other reason for these brutal punishments to be in the game.