Brady watched the helo lift off then turned to the abandoned city.
front castors are fitted to chair and lift off the ground when seat lift operates to prevent chair moving.
Over 100 cameras were used to observe the lift-off to check for any falling debris that could damage the orbiter.
Then the first two disciplines were commenced involving controlled handbrake turns and controlled ' lift off oversteer ' .
And it makes a lovely throaty rasp under acceleration and a staccato backfire when you lift off the throttle.