noun
Refers to a person who flies or operates an aircraft. In everyday speech パイロット is also very common; 飛行士 has a slightly more written or occupational feel.
彼女は子どものころから飛行士になるのが夢だった。
Since childhood, she had dreamed of becoming a pilot.
経験豊かな飛行士が小型機を操
An experienced pilot flew the small aircraft.
Emphasizes the role of operating or controlling a vehicle or aircraft; more technical or occupational in tone.
Means astronaut; it is a compound containing 飛行士 but refers specifically to spaceflight.
A Sino-Japanese compound: 飛行 means 'flight' or 'flying,' and 士 denotes a person with a profession or specialized role.