Other models include the 737-400 and -500. Early Boeing 737s did not have distinct winglets. However, the 737-200Adv, shown ...

In addition to raked wingtips, Boeing also employs split-scimitar winglets, which can be found on the 737 MAX. The company was also the first to use folding wingtips on a commercial aircraft ...

Aviation Partners, a Seattle, Washington company, has a new design it calls a "blended" winglet. The Boeing Business Jet (opposite, top), a derivative of the Boeing 737, has a set of the firm's ...