The 747-8 Intercontinental will have the lowest seat-mile cost of any large commercialjetliner, with 12 percent lower costs than its predecessor, the 747-400.
Boeing's newest and most advanced commercialjetliner was grounded in January by regulators worldwide after two battery-related fires damaged 787s in Boston and in Japan.
Several hundred are under order, making its success crucial for Boeing, which had not designed a new commercialjetliner in years before unveiling the Dreamliner.
Boeing President and CEO Ray Conner apologized to passengers, the airlines and the Japanese people for the problems plaguing the company's newest and most advanced commercialjetliner.