One day a blonde gets free helicopter lesson. So she drives to the place and asks the instructor if she can have the lessons.
The instructor teaches her the controls and tells her: "Call me on this radio every 2000 feet".
So she goes in the helicopter and takes off. At 2000 she called him. At 4000 feet she calls him. At 6000 feet she calls him. But, at 8000 feet she does not call him.
He was wander what was going on when he heard a CRASH from behind him. The instructor ran over to the crashed helicopter and asked the blonde what happened.
She replied: "It got really cold, so i turned off the big fan".
Submitted by: SamuelM