1970s: “The Flying Pulpit” The Williams X-Jet, created by Williams International, was a small, one-man, light-weight, Vertical Take Off and Landing (VTOL) aircraft powered by a modified Williams F107 turbofan aircraft engine designated WR-19-7 after some minor modifications. The vehicle was nicknamed "The Flying Pulpit", seemingly due to its shape. It was designed to be operated by / carry one person and dirigible by leaning in the direction of desired travel together with the modulation of its input power. It could move in any direction, accelerate rapidly, hover and rotate on its axis, stay aloft for up to 45 minutes...