The Vostok spacecraft weighed , was long and in diameter. The cosmonaut flew inside a spherical module. He sat on a seat which was also an ejection seat which allowed the cosmonaut to escape from the spacecraft. The flight was simple, the cosmonaut was simply a passenger. There were controls for use in an emergency. The spacecraft had a food locker, radio, an experiment cabinet, and a round window. Gagarin ejected from the spacecraft after re-entry and landed by parachute.