Define the aircraft requirements and mission
Perform aerodynamic, structural, propulsion, and systems design
Create detailed engineering drawings and 3D models
Select materials and components
Build prototypes and test articles
Manufacture the airframe parts
Assemble the fuselage, wings, tail, and control surfaces
Install the engine, fuel system, electrical system, avionics, and landing gear
Integrate flight controls, hydraulics, and cabin systems
Conduct ground tests and inspections
Perform flight testing and certification
Finalize production processes and quality control
Produce and deliver the aircraft