GLASGOW, Mont. -- At a remote airfield in northeastern Montana, where the quiet is usually broken only by the singing of Western meadowlarks, a Boeing 777-300ER jetliner made some symbolic noise of its own Wednesday. But it was the lack of noise from the big plane that will help advance aviation. The Boeing Co. and some of its partners, including NASA, are testing new methods and technology that can make commercial jetliners quieter when landing and taking off -- a growing concern at airports from Sea-Tac to Singapore and Paris. Passengers also will benefit from the ongoing efforts as cabin...
