SEATTLE, Nov. 8, 2013 /PRNewswire/ -- Boeing (NYSE: BA) has delivered a 777-300ER (Extended Range) jet to GE Capital Aviation Services (GECAS) for lease to Ethiopian Airlines. The 777-300ER is now the largest airplane in the Ethiopian flag-carrier's fleet and will provide it with increased capacity and improved operating economics on key routes from its base in the Ethiopian capital, Addis Ababa. "The introduction of the B777-300 ER into our fleet is a major milestone, as it will be our biggest aircraft with a 400 seat capacity. Ethiopian B777-300 ER will give our passengers the best possible travel experience with its spacious cabin interior, high ceiling, advanced in-flight entertainment system, increased stowage capability and additional cargo uplift flexibility," said Mesfin Tassew, Chief Operation Officer of Ethiopian Airlines. "The aircraft will be deployed on our long haul non-stop routes to the US and China and will give us exceptional range capability and fuel efficiency." Ethiopian's first 777-300ER will seat nearly 400 passengers in a two-class configuration and perfectly complements its existing fleet of six 777-200LR (Longer Range) airplanes by providing additional capacity and flexibility on popular routes, such as Guangzhou, Washington, D.C. and Dubai. In future months, an additional three 777-300ERs with join Ethiopian's continuously expanding fleet, providing the Addis Ababa-based carrier with more options on new and existing routes across Africa and beyond. "For more than half a century, Ethiopian has been at the forefront of providing its passengers with the most innovative products. The 777-300ER continues this tradition and represents another significant milestone in the long history between both our companies," said Van Rex Gallard, vice president of Sales for Africa, Latin America and the Caribbean, Boeing Commercial Airplanes. "The 777-300ER will be a key player in the continued success of Ethiopian, offering more capacity, increased flexibility and exceptional comfort on its operations worldwide." The 777-300ER can fly up to 7,825 nautical miles (14,490 kilometers) and is equipped with GE90-115B engines, the world's most powerful commercial jet engine. Ethiopian's 777-300ER also features the Boeing Signature Interior that offers wider seats, wider aisles, more headroom and more seating flexibility.