処しょ女じょ飛ひ行こう

noun

maiden flight

Refers to the first flight of an aircraft, spacecraft, or pilot. Often used in aviation and space contexts.

• 新しん型がた旅りょ客かく機きが処しょ女じょ飛ひ行こうに成せい功こうした。

  The new airliner successfully completed its maiden flight.