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 ...

Southwest relies exclusively on the Boeing 737s for its operations ... It had a larger 737-700 fleet of 500 aircraft fitted in a 143-seat layout, compared to a little over 200 of the 175-seat ...