In 1972, Jean Boulet set the current world record for the highest altitude reached by a helicopter at 40,820 ft. On his descent, the engine flamed out and he was forced to land without power, earning him two additional world records. – WTF Fun Facts
WTF Fun Fact – Jean Boulet

Goes to show how little you know. If a helicopter’s engine(s) fail, the rotor will continue autorotating from momentum. Not for long, but usually long enough that the helicopter can be landed without crashing.
Here’s the wikipedia article, which incidentally mentions Jean Boulet.
https://en.wikipedia.org/wiki/Autorotation
i call bull shit, a helicopter without power falls there is zero control.