Winglets help to reduce drag and increase efficiency and are a common sight on most modern jetliners. Boeing 737 models have gone through 4 types of winglets: Mini, Blended, Split Scimitar ...

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.