Joke: Flying Blondes

A blonde went to a flight school insisting she wanted to learn to fly.
As all the planes were currently1 in use, the owner agreed to
instruct her by radio on how to pilot the solo2 helicopter.
He took her out, showed her how to start it and gave her the
basics, and sent her on her way. After she climbed 1000 feet,
she radioed in. I'm doing great! I love it! The view is so
beautiful, and I'm starting to get the hang of this.
After 2000 feet, she radioed again, saying how easy it was
to fly. The instructor3 watched her climb over 3000 feet, and
was beginning to worry that she hadn't radioed in.
A few minutes later, he watched in horror as she crashed about
half a mile away. He ran over and pulled her from the wreckage4.
When he asked what happened, she said, I don't know!
Everything was going fine, but as I got higher, I was starting
to get cold. I can barely5 remember anything after I turned