Summary Boeing 777X set for early 2025 entry-to-service if program remains on schedule. GE9X engine offers fuel efficiency, quiet operation, and low nitrous oxide emissions. New design includes composite wings with foldable wingtips and improved cabin comforts.
Boeing's 777X program has faced its challenges since launching over a decade ago, but is gradually inching towards its debut in 2025. The program was hit with another setback this week after cracks were found on engine mounts on multiple test aircraft , grounding FAA certification flights for the time being. However, presuming Boeing can remain on schedule, the new widebody has been slated for an early 2025 entry-to-service.
The planemaker has promised some huge improvement on previous generation 777s, even claimimg the 777X can significantly outperform its Airbus counterpart, the A350. Let’s review what new technology the 777X makes it the next best aircraft. The flagship aircraft must provide increased efficiency over existing widebodies and serve as an effective replacement for the Boeing 747.
General Electric GE9X 10% improvement in fuel efficiency 134-inch (3.4 meters) fan diameter Advanced carbon fibre materials High bypass ratio of 10:1 Perhaps the most interesting new feature of Boeing’s next long-range widebody aircraft is its engine - the GE9X, made exclusively for the 777X, is the world's largest commercial turbofan engine, boasting a diameter larger than a Boeing 737 fuselage. Specification Boeing 777-9.