fall under the third definition . Engineering has more than one meaning just like architect. AAE is not designing parts for aircraft which is strickly regulated by the FAA. He is not designing fuel system or braking system which which have inherit risks and liability for death or injury. He is designing an exhaust manifold. What is the worse that can happened if he gets that wrong?
"Yes, I know more then JWT. Someone has to be the top dog, and it just so happens it's me." Nixit