Boeing's largest passenger plane takes test flight

The 747-8 Intercontinental airliner will compete with rival Airbus's A380, the world's biggest passenger plane
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The Boeing 747-8 Intercontinental airliner, the company's newest and largest passenger plane, taxis down a runway before it takes off for its first test flight at Paine Field Airport March 20, 2011 in Everett, Washington (Getty Images)
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The new plane features quieter, more fuel efficient engines, more seating and a redesigned interior (Getty Images)
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(Getty Images)
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(Getty Images)
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US aerospace giant Boeing's newest and biggest jumbo jet, the 747-8 Intercontinental, made its first flight on Sunday near its headquarters in Seattle (Getty Images)
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The new version of Boeing's classic double-decker 747 took off at 9:58 am (16:58 GMT) from the Paine Field air in Everett, Washington state, in a ceremony attended by thousands of workers and guests (Getty Images)
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Boeing's largest passenger plane, the 747-8 can carry 467 passengers in a three-class configuration and is designed for long-haul routes (Getty Images)
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The Boeing 747-8 Intercontinental airliner, the company's newest and largest passenger plane, taxis down a runway through the flight line before it takes off for its first test flight at Paine Field Airport March 20, 2011 in Everett, Washington (Getty Images)
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The plane is a longer and more fuel-efficient update of Boeing's double-decker 747 jumbo jet, and will compete with European rival Airbus's A380, the world's biggest passenger plane.
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Pilot Paul Stemer (L) and Chief Pilot Mark Feuerstein (R) pose in front of the 747-8 Intercontinental, Boeing's largest-ever passenger airplane, after landing from it's inaugural flight, at Boeing Field, Washington state on March 20, 2011 (Getty Images)
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The 747-8 Intercontinental, Boeing's largest-ever passenger airplane, returns to it's hanger from it's first flight, at Boeing Field, Washington state on March 20, 2011 (Getty Images)
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Pilot Paul Stemer and Chief Pilot Mark Feuerstein join Boeing officials as they pose in front of the 747-8 Intercontinental, Boeing's largest-ever passenger airplane, after landing from it's inaugural flight, at Boeing Field, Washington state on March 20, 2011 (Getty Images)
Tue 22 Mar 2011 11:57 AM GST