Why do pilots say “rotate” when taking off, also some say it when lowering the nose during landing?

Question

Why do pilots say “rotate” when taking off, also some say it when lowering the nose during landing?

In: 113

Answer 1

A quick note:

The terminology used is consistent, and it is chosen specifically so that it will not cause any possible confusion with any other term used at the time. If you want to see why this is important, look up why the disaster at Ternerife happened.