A professional who designs, develops, and tests aircraft, space vehicles, surface effect vehicles, missiles, and related component systems, applying engineering principles and techniques. A aeronautical engineer’s responsibility may include the following:

• Designs and develops commercial, military, executive, general aviation, or special purpose aircraft, space vehicles, satellites, missiles, or related hardware or systems
• Tests models, prototypes, subassemblies, or production vehicles to study and evaluate operational characteristics and effects of stress imposed during actual or simulated flight conditions.
• Specializes in design and development of structural components, such as wings, fuselage, rib assemblies, landing gear, or operational control systems.
• Specializes in analytical programs concerned with ground or flight testing, or development of acoustic, thermodynamic, or propulsion systems.
• Assists in planning technical phases of air transportation systems or other aspects of flight operations, maintenance, or logistics.