Boeing 777-300ER

The long-range twin that redefined high-capacity international travel

Overview

Boeing United States ICAO: B77W 2004–Present Active $375.5 million (2019)

The Boeing 777-300ER is an extended-range widebody developed to serve high-demand long-haul routes. It became one of the most commercially successful large twin-engine airliners ever built. The aircraft combined capacity, efficiency, and range in a single platform.

Live Fleet Activity (B77W)

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Specifications

Units
Engine
2 × General Electric GE90-115B
Engine type
Turbofan
Thrust
2 × 115,300 lbf · 513 kN
Avionics
Honeywell Avionics
Wing tips
Raked wingtips
Seats
550 economy · 451 business · 365 first
Crew
—
Cabin width
19 ft 3 in  ·  5.86 m
Cabin height
7 ft 3 in  ·  2.20 m
Cabin length
194 ft 4 in  ·  59.24 m
Exterior length
242 ft 4 in  ·  73.86 m
Tail height
61 ft 10 in  ·  18.85 m
Fuselage diameter
20 ft 4 in  ·  6.19 m
Wing span
212 ft 7 in  ·  64.80 m
Baggage volume
7,550 ft³  ·  213.8 m³
Gross weight
—
Empty weight
—
Max takeoff weight
775,000 lb  ·  351,500 kg
Max landing weight
575,000 lb  ·  261,000 kg
Max payload
154,000 lb  ·  70,000 kg
Fuel capacity
47,900 gal · 181,300 L · 145,000 kg (Jet A)
Max cruise speed
510 kt  ·  587 mph  ·  945 km/h
Maximum speed
—
Cruise speed
—
Approach speed
149 kt  ·  171 mph  ·  276 km/h
Range
7,730 nm  ·  8,900 mi  ·  14,320 km
Fuel burn
0.16 nm/gal  ·  0.08 km/L
Ceiling
43,100 ft  ·  13,100 m
Rate of climb
3,000 ft/min  ·  15 m/s
Takeoff distance
9,850 ft  ·  3,000 m
Landing distance
5,900 ft  ·  1,800 m
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UNITED – Boeing 777-300ER

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Operational Context

Boeing 777-300ER — ultra-long-range widebody airliner

The Boeing 777 program began in the early 1990s to bridge the gap between the 767 and 747 families. The -300ER variant first flew in 2003 and entered service in 2004 as a higher gross weight development of the 777-300. Designed for extended-range operations, it allowed airlines to replace older four-engine aircraft on intercontinental routes.

Powered by two General Electric GE90-115B engines producing up to 115,000 pounds of thrust (512 kN) each, the 777-300ER is among the most powerful twin-engine aircraft in service. It typically seats between 350 and 400 passengers depending on configuration. The aircraft has a range of approximately 7,300 nautical miles (13,650 km) and cruises at around Mach 0.84.

The 777-300ER became a flagship aircraft for many international carriers due to its reliability and operating economics. It played a major role in the shift toward long-haul twin-engine operations under extended-range twin-engine operational performance standards. Its success laid the groundwork for the later 777X program and reshaped the global widebody market.