Wing and folding tips
The composite wing combines a greater in-flight span with tips that fold on the ground. The aim is to balance aerodynamic efficiency with taxiway and gate compatibility.
Boeing — 777X By Design architecture ↗BOEING / TECHNICAL EXPLORATION
777X
Technical reference: 777-9The new generation of the 777 family, with composite wings, folding wingtips and flight deck technologies derived from the 787. Fleet’s project focuses on future development.
Fleet project portfolio · Future development
Photo: Boeing; photographer not specified · Original source · © Boeing — all rights reserved, Enlarge image ↗
ARCHITECTURE / SYSTEMS
Technology behind the flight deck.
Interface and digital architecture
Boeing incorporates 787 technologies into displays, flight deck functionality and computing and network architecture. The manufacturer’s presentation includes touchscreen interaction in the 777X flight deck.
Boeing — 777X By Design architecture ↗GE9X powerplant
The family uses GE Aerospace’s GE9X. The powerplant and new wing are part of the technology package distinguishing the 777X from earlier members of the 777 family.
Boeing — specifications 777X ↗Development configuration
777X is the family name; this page uses the 777-9 as its reference. Published specifications for the 777-8 differ, particularly in length, weight and range.
Boeing — specifications 777X ↗MANUFACTURER DATA
Reference specifications.
| Parameter | Published reference |
|---|---|
| Reference variant | 777-9, 777X family |
| Length | 76.7 m |
| Wingspan — tips extended | 71.8 m |
| Wingspan — tips folded | 64.8 m |
| Height | 19.5 m |
| Maximum published MTOW | 351,530 kg |
| Published range | Up to 8,000 NM |
| Two-class seating — published | 375–450 |
| Powerplant | GE Aerospace GE9X |
Boeing — specifications 777X ↗
Published 777-9 program data, subject to technical evolution. This page does not announce simulator availability, Fleet’s entry into operation or equipment qualification.
Published values depend on variant, options and calculation conditions; maximum values do not necessarily apply simultaneously. This technical overview does not replace the AFM, FCOM or approved operational documentation.
Sources and references
Photos illustrate aircraft or interfaces identified in the captions. They do not represent facilities or equipment already acquired by Fleet. EASA, FAA and ANAC certifications remain future project objectives.