The General Electric GE90 is a family of high-bypass turbofan aircraft engines built by GE Aviation for the Boeing 777, with thrust ratings from 81,000 to 115,000 pounds-force (360 to 510 kilonewtons).
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General Electric GE90 engine powers the Boeing 777 aircraft family, including five passenger models (-200, -200ER, -200LR, -300, -300ER) and a freighter version (777F). The mightier GE9X powers Boeing's brand-new 777 line, the 777X (yet to begin commercial service).
The United States (US) National Transportation Safety Board (NTSB) concluded that inadequate inspections, as well as insufficient frequency of inspection intervals, contributed to an uncontained engine failure, or a fan blade out (FBO) event, on a United Airlines flight in 2021.
Many companies have large portfolios of engines for different uses. As per the Annual Strategy Dossier – 2021, the top four global commercial aircraft turbofan engine manufacturers are Pratt & Whitney, Rolls-Royce, GE Aviation and Safran. GE and Safran of France have a joint venture called CFM International.
The trijet 777 was later dropped, following marketing studies that favored the 757 and 767 variants. Boeing was left with a size and range gap in its product line between the 767-300ER and the 747-400.
The Boeing 777 is the best-selling long-haul carrier in the history of aviation. It has an exceptional life-span of 30 years, but what's the secret behind this record-breaking longevity? In this film, a 777 is taken apart, inspected, and entirely refurbished.
It is estimated that there are currently about 220 Boeing 777s powered by Rolls-Royce Trent 800 engines in operation with 11 airlines around the world.
The 747 is a four-engined jet aircraft, initially powered by Pratt & Whitney JT9D turbofan engines, then General Electric CF6 and Rolls-Royce RB211 engines for the original variants. With a ten-abreast economy seating, it typically accommodates 366 passengers in three travel classes.