Boeing 501 Heavy Experimental, the ATC call sign of the first flight of the 747-8F lifted off runway 34L of Paine Field in Everett, Washington, USA, at 12:39pm PST (20:39 GMT). Smooth and silent.
Congratulations Team Boeing.
N747EX lifts off from runway 34L. Click on the image for a high resolution view. Observe the initials of Jack Waddell, the pilot commanding the first flight of the very first Boeing 747 on February 9, 1969, on the nose gear flaps.