Boeing's 787 Dreamliner has been a mainstay of airshows in recent years. The plane, which made its first flight in December 2009, was revolutionary in its extensive use of light-weight composite materials, improving passenger comfort and fuel efficiency.
The plane was grounded by the U.S. aviation regulator, the FAA, after overheating batteries raised alarms. But Boeing says it's now confident in the fix and the planes are back in the air.
Speaking at the airshow, Boeing CEO McNerney told CNBC that the Dreamliner had actually exceeded its targets for fuel efficiency. The Dreamliner is the fastest-selling plane in history with 677 orders by its roll-out in 2007.
(Read More: Boeing Fights Back With New 787 Orders)