How the 777-300ER fits into the 777 story
777-300ER is an in-service member of the Boeing 777 family, known for the high-capacity long-range branch that anchored the family’s global dominance.
The 777-300ER earned a distinct place in the Boeing 777 family story through its engines, seating, range, service entry, and the missions operators chose it to fly.
Service entry
2004
Seating
365 to 396
Range
7,370 nm
Variant history
Why it branches from the family
The 777-300ER stands out within the Boeing 777 family because it captures the high-capacity long-range branch that anchored the family’s global dominance.
It entered service in 2004 with GE90-115B engines, typical seating for 365 to 396, and published range of about 7,370 nautical miles.
Fact rows
Reference snapshot
- ICAO designator
- B77W
- Designator references
- Engines
- GE90-115B
- Type data
- Service entry
- 2004
- Operator records
- Typical seating
- 365 to 396
- Operator layouts
- Range
- 7,370 nm
- Planning data
Return to the family page
Return to the family history for the wider program story, then compare this version with the other models that carried the design into different markets and missions.