波音：预计今年上半年交付改进型787梦想飞机

Core Viewpoint - Boeing expects to begin deliveries of the improved 787-9 and 787-10 Dreamliners in the first half of this year [1] Group 1: Aircraft Improvements - The improvements to the wide-body aircraft will increase the maximum takeoff weight, allowing airlines to extend flight distances by 400 miles or increase cargo capacity by 5 to 6 tons [1] Group 2: Future Developments - Boeing anticipates that the larger 777X will receive certification in the second half of this year, but it may not enter service until next year [1]