The new GE engine of the Boeing 747-8 Intercontinental, the company's newest and largest passenger plane, is seen during an unveiling ceremony February 13, 2011 at the company's factory in Everett, Washington. (Photo by Stephen Brashear/Getty Images)
Attendees gather to view a Boeing 747-8 Intercontinental, the company's newest and largest passenger plane, during an unveiling ceremony February 13, 2011 at the company's factory in Everett, Washington. (Photo by Stephen Brashear/Getty Images)
Boeing Vice President and General Manager Airplane Programs, Boeing Commercial Airplanes Pat Shanahan speaks during an unveiling ceremony of the 747-8 Intercontinental, the company's newest and largest passenger plane, on February 13, 2011 at the company's factory in Everett, Washington. The new plane features quieter, more fuel efficient engines, more seating and a redesigned interior. The first plane also featured a red paint job, a departure from the traditional Boeing blue. (Photo by Stephen Brashear/Getty Images)
The 747-8 Intercontinental's cabin, featuring larger windows and new lighting is displayed in a mock up February 12, 2011 at the Boeing Customer Experience Center in Renton, Washington. (Photo by Stephen Brashear/Getty Images)
The 747-8 Intercontinental's cabin, featuring larger windows and new lighting, are displayed in a mock up of a berth on the plane's upper deck February 12, 2011 at the Boeing Customer Experience Center in Renton, Washington. (Photo by Stephen Brashear/Getty Images)
The 747-8 Intercontinental's cabin, featuring larger windows and new lighting, is displayed in a mock up February 12, 2011 at the Boeing Customer Experience Center in Renton, Washington. (Photo by Stephen Brashear/Getty Images)
The 747-8 Intercontinental's cabin, featuring larger windows, new lighting and smoother lines, is displayed in a mock up February 12, 2011 at the Boeing Customer Experience Center in Renton, Washington. (Photo by Stephen Brashear/Getty Images)
Boeing employee Colleen Rainbolt speaks about the newly redesigned overhead bins during an interview in a mock up of the 747-8 Intercontinental, Boeing's newest passenger plane, which leverages technology from the 787 February 12, 2011 at the Boeing Customer Experience Center in Renton, Washington. (Photo by Stephen Brashear/Getty Images)
The 747-8 Intercontinental's cabin, featuring larger windows and new lighting, is displayed in a mock up of seats and a table February 12, 2011 at the Boeing Customer Experience Center in Renton, Washington. (Photo by Stephen Brashear/Getty Images)
Boeing employee Colleen Rainbolt answers questions about the newly redesigned interior of the 747-8 Intercontinental, Boeing's newest passenger plane, which leverages technology from the 787 February 12, 2011 at the Boeing Customer Experience Center in Renton, Washington. (Photo by Stephen Brashear/Getty Images)