Boeing 767-400ER

The Boeing 767‑400ER, introduced in 2000, is the longest variant of the 767 family and represents the culmination of Boeing’s wide‑body, twin‑engine design philosophy. Development began in the late 1990s as airlines demanded greater range and capacity without the cost of larger four‑engine jets. The first flight occurred on October 16, 2000 and the aircraft entered service with Delta Air Lines later that year. The 767‑400ER offers a maximum take‑off weight of 465,000 lb, a typical seating capacity of 245‑300 passengers in a two‑class configuration, and a range of approximately 6,200 nautical miles, enabling nonstop trans‑Atlantic and Pacific routes. Key features include a modern glass cockpit with four large LCD displays, common type rating with other 767 models, advanced wing design with winglets for fuel efficiency, and Pratt & Whitney PW4000 or General Electric CF6‑80 engines. Its operational flexibility allowed airlines to replace older aircraft on long‑haul flights while maintaining lower operating costs. The 767‑400ER thus played a pivotal role in the transition toward more efficient twin‑engine wide‑bodies, influencing the design of later aircraft such as the Boeing 777 and 787 Dreamliner.

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