"Crewed flight" refers to a type of space mission where a human being or a group of people on board a spacecraft are responsible for operating and controlling it. Full definition
With the timeline for the first operational human flights for the Commercial Crew Program gradually slipping to the right and into 2019, Boeing last year proposed adding a third crew member to the first Crew Flight Test of the company's CST - 100 Starliner spacecraft to the International Space Station, NASA recently announced. (spaceflightinsider.com)