So this happened in New Zealand, when the volcano blew up, the pilots were ordered to stand down, but went anyway. Now they are being charged with crimes against "elfnsafety laws.
"A Rotorua-based helicopter company that rescued survivors off Whakaari/White Island when emergency services were instructed not to respond has confirmed it is one of the parties that has been charged by WorkSafe."
https://www.kiwiblog.co.nz/2020/11/charged_for_rescuing_people_from_white_island_without_permission.html
https://www.theguardian.com/world/2020/dec/15/white-island-whakaari-volcano-ardern-urged-to-help-rescue-pilots-facing-charges