GENERAL AERONAUTICAL Aviation Parts list page 1

Aeronautics comes from the Greek word aero that means air or sky and nautis that means sailor. It is the study, design, and manufacture of flight. One branch of Aeronautics is aerodynamics, which study the movement of air and its interaction with moving air like an aircraft or airplane

The difference of aviation with aeronautics is that aeronautics deals with lighter aircraft like airships but aviation doesn’t deal with it.