Specifications
- Manufacturer
- Boeing
- ICAO / IATA code
- B77W / 77W
- First flight
- 24 February 2003
- Entered service
- 10 May 2004, with Air France
- Status
- Out of production
- Engines
- 2 × GE Aerospace GE90-115B
- Thrust per engine
- 513 kN
- Range
- 13,890 km (7,500 nmi)
- Cruise speed
- Mach 0.84
- Length
- 73.9 m
- Wingspan
- 64.8 m
- Height
- 18.5 m
- Cabin width
- 5.82 m
- Max take-off weight
- 351.5 t
Seats and cabin layout
Boeing quotes 350–425 seats in a typical 2-class layout. The type certificate allows at most 550 passengers — the exit limit, which no airline with a premium cabin comes near.
Boeing’s reference layout
Drawn by Orbit from the figures in Boeing 777-200LR/-300ER/-Freighter Airplane Characteristics for Airport Planning (D6-58329-2 Rev G, Dec 2024), §2.1.1, §2.4.4 Typical Three-Class Configurations, §2.5 Cabin Cross-Sections. Typical, not any airline’s seat map — your flight may differ. Nose on the left.
- First
- Business
- Economy
Which airlines fly the 777-300ER
The largest fleets of this variant. Counts move as aircraft are delivered and retired, so each carries the date it describes.
Safety record
Every fatal accident and hull loss involving the 777-300ER, with the investigators' report where one is published. The complete record, minor incidents included, is kept by the Aviation Safety Network.
· Over southern Myanmar (diverted to Bangkok Suvarnabhumi)
Singapore Airlines flight SQ321
While cruising at 37,000 ft from London to Singapore, the aircraft (9V-SWM) went through severe turbulence over an area of developing convective weather; one passenger died, many occupants were injured, and the flight diverted to Bangkok.
1 killed · TSIB report ↗
Asked and answered
How many seats does the 777-300ER have?
Boeing quotes 350 to 425 seats in a typical two-class layout, and the type is certified for up to 550 passengers. Boeing's airport-planning reference cabin has 370 seats across first, business and ten-abreast economy.
Which airlines fly the 777-300ER?
Emirates has by far the largest fleet, followed by Qatar Airways, Air France, Turkish Airlines and Saudia. Air France was the launch customer and put it into service in 2004.
Is the 777-300ER safe?
No 777-300ER has been written off in an accident. Its one fatal accident was Singapore Airlines flight SQ321 in May 2024, when severe turbulence over Myanmar led to the death of one passenger.
How far can the 777-300ER fly?
Boeing gives a range of up to 13,890 km (7,500 nautical miles), enough for most long-haul routes between continents.
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