Amateur astronaut

An amateur astronaut is an untrained person participating in a spaceflight. The term is widely used by SpaceX and others, and by widespread media, especially after the launch of Inspiration4, crewed by 4 untrained humans, on a 3-day flight around the Earth.

List of Amateur astronauts

 * Christopher Sembroski (Inspiration4, 16 September 2021 – 18 September 2021)
 * Sian Proctor (Inspiration4, 16 September 2021 – 18 September 2021)
 * Jared Isaacman (Inspiration4, 16 September 2021 – 18 September 2021)
 * Hayley Arceneaux (Inspiration4, 16 September 2021 – 18 September 2021)