This included the Boeing 727-100QC, or "Quick Change" model, that could make the transformation in just 30 minutes. Other variants include the Boeing C-22A and Boeing C-22B, which were operated by ...

DALLAS — Today, in 1964, the three-engined Boeing 727 entered service with launch customer Eastern Air Lines (EA), one of the "Big Four" domestic airlines created by the Spoils Conferences of 1930.