Read directions first before you start....
You must hold the left mouse button down to go up...release to go down...MOST DIFFICULT
Some people have worn their finger out on this. If you are working for a living, do not forward to your co-workers.. The rest of the day will be useless to the company..
Think you can fly a helicopter? Click on the link below and give it a whirl!http://www.hurtwood.demon.co.uk/Fun/copter.swf