IATA 778ICAO B778

Boeing 777-8

Boeing

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Boeing's next-generation ultra-long-range wide-body twin.

Category

Wide-body jet

Seating

~395 (two-class)

Range

16,170 km

Engines

Two GE Aviation GE9X-105B1A high-bypass turbofans

Status

In development

The Boeing 777-8 is the smaller of two new variants in the 777X family, designed to replace aging long-haul aircraft such as the 777-200LR and 747-400. It features a composite folding wingtip, a new-generation GE9X turbofan engine, and a redesigned cabin with larger windows and higher cabin pressure for improved passenger comfort. The 777-8 is optimized for ultra-long-range routes, offering a range of approximately 16,170 kilometers while carrying around 395 passengers in a typical two-class configuration. Its composite wing, shared with the larger 777-9, represents one of the longest composite wings ever built for a commercial aircraft. As of mid-2025, the 777-8 has not yet entered service and remains in development. Program delays tied to certification challenges, structural testing issues, and FAA scrutiny have pushed entry into service beyond original projections. Emirates is among the largest customers with a significant order for the type.

Notable operators

No airline has yet taken delivery of the 777-8; Emirates and Qatar Airways are among the largest customers on order.

Notable facts

›The 777-8 features folding wingtip technology to fit within standard airport gate dimensions despite its large wingspan.
›Its composite wing is one of the longest ever fitted to a commercial airliner.
›The aircraft is intended as a direct replacement for the Boeing 777-200LR and 747-400 on ultra-long-haul routes.
›GE9X engines on the 777X family are among the most fuel-efficient large turbofans ever developed.
›Program certification has faced significant delays due to structural testing issues and heightened FAA oversight.

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This profile is provided for general information only. Specifications may be inaccurate or vary by variant/operator — verify with the manufacturer before relying on them.

Encyclopaedia

The Boeing 777X is an American long-range, wide-body, twin-engine airliner built by Boeing Commercial Airplanes, undergoing flight testing as of 2026. A substantial development from the original Boeing 777, changes for the 777X include General Electric GE9X engines, composite wings with folding wingtips, greater cabin width and seating capacity, and technologies from the Boeing 787 Dreamliner. The 777X program was launched in November 2013 to develop two variants: the 777-8 and the 777-9. The 777-8 provides seating for 350 to 425 passengers and has a range of 9,500 nautical miles [nmi], while the 777-9 has seating for 375 to 450 passengers and a range of 8,000 nmi.

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