PAFA - Pilot Astronaut Flight Academy

Free

Chapter 0 - Introduction to PAFA

Free

Chapter 1 - Pilot Astronaut

Free

Chapter 3 - Spaceflight Physiology

Free

Chapter 4 - Aircraft and Spacecraft Systems

Free

Chapter 5 - Atmospheric Flight

Free

Chapter 7 - Preflight Preparations

Chapter 8 - Preflight Procedures will cover the basics of preparing your spacecraft for flight operations