The Boeing 747-400 is a wide-body airliner developed by Boeing Commercial Airplanes. It is an improved version of the original 747, featuring a glass cockpit, more efficient engines, and a longer range. With a typical seating capacity of 416 passengers in a three-class configuration, it was one of the most iconic and widely used jumbo jets in aviation history. The 747-400 played a crucial role in shaping long-haul air travel, connecting continents and making global travel more accessible. 波音747-400是由波音商用飞机公司开发的宽体客机。它是原始747的改进型号，拥有玻璃驾驶舱、更高效的发动机和更远的航程。在三级客舱布局下，标准载客量为416人，是航空史上最具标志性和广泛使用的大型喷气式客机之一。747-400在塑造长途航空旅行方面发挥了关键作用，连接各大洲，使全球旅行更加便捷。