In the long-haul commercial aviation sector, aircraft capacity and operational efficiency are key factors influencing airline strategies. Boeing's 777-300ER, introduced in 2004, has become a significant player in this space by offering a combination of high passenger capacity and extended range.
The Boeing 777-300ER was developed as an upgrade to the standard 777-300. It features General Electric GE90-115B engines, which produce up to 115,000 pounds of thrust each—the most powerful turbofan engines built for commercial use. These engines enable the aircraft to carry heavier payloads over longer distances while maintaining reliability. Structural enhancements such as reinforced landing gear, increased maximum takeoff weight, and raked wingtips contribute to improved aerodynamic efficiency and fuel performance.
With a cabin width exceeding 5.8 meters (19 feet), airlines can configure economy cabins with up to ten seats per row. Standard three-class configurations typically accommodate between 350 and 400 passengers, while denser two-class layouts can exceed 450 seats. Emirates operates some of its 777-300ERs with 354 seats across three classes; KLM and Air France have versions seating between 380 and 408 passengers. The design allows flexibility for airlines to adjust interiors based on market demand or business models.