Keyway Air Transport used a jet airliner with versions that have a apacity from 140 to 219 what?
Keyway Air Transport: Keyway Air Transport was a United States airline that operated from Frankfurt International Airport (which at the time was also home to a United States Air Force facility; Rhein-Main Air Base) using a Boeing T-43 Bobcat (a military variant of the Boeing 737-200) and a Boeing 707-355C. Boeing 707: The Boeing 707 is a mid-sized, long-range, narrow-body, four-engine jet airliner built by Boeing Commercial Airplanes from 1958 to 1979.
i don't know