Define the aircraft requirements and mission
Form a team of aerospace, mechanical, electrical, and manufacturing engineers
Develop initial concepts and select a configuration
Perform aerodynamic, structural, propulsion, and systems design
Create detailed CAD models and engineering drawings
Run simulations and analyses for performance, loads, and safety
Select materials and manufacturing processes
Build prototypes and test components
Manufacture the airframe, wings, control surfaces, and fuselage
Install propulsion, avionics, electrical, hydraulic, and fuel systems
Assemble the aircraft
Conduct ground tests and inspections
Perform flight testing and certification
Refine the design based on test results
Begin production and quality control
Maintain, inspect, and service the aircraft throughout its life cycle