A hovering helicopter can generate winds up to 120 mph ("Rotor Wash"). The wind chill factor may also be significant. https://www.nwmedstar.org/Helicopter-Safety/#hazzards
A hovering helicopter can generate winds up to 120 mph ("Rotor Wash"). The wind chill factor may also be significant. https://www.nwmedstar.org/Helicopter-Safety/#hazzards