Alaska has retired its last Boeing 737 jet without winglets, a rather rare breed. The Seattle-based airline is in the process of phasing out its remaining 737-900s. N303AS was one of four 737-900s ...

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 ...

He entered the pitch-dark hangar and stared into its inky emptiness. Suddenly, two brilliant shafts of blue light cut downward through the murk, focused on a pair of vertical blades taller than a ...

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 ...