Boeing 777-300ER

Boeing 777-300ER 

General Description

The Boeing 777-300ER (Extended Range) is a long-range, high-capacity, twin-engine wide-body aircraft and the most successful variant of the 777 family. 

It was designed to replace older four-engine jets (like the 747-400) with better fuel efficiency and lower operating costs, while offering similar range and passenger capacity.

  • First Flight : February 24, 2003

  • Entry into Service : May 2004 (with Air France)

  • ER = Extended Range — longer range than the standard 777-300



Key Specifications

Feature Boeing 777-300ER
Typical Seating ~368 passengers (3-class) or up to ~396
Maximum Seating Up to 550 passengers (all-economy)
Range ~13,650 km (7,370 nautical miles)
Length 73.9 meters (242 feet 4 inches)
Wingspan 64.8 meters (212.7 feet, with raked tips)
Max Takeoff Weight (MTOW) ~351,535 kg (775,000 lbs)
Engines 2 × GE90-115B (by General Electric)


Design Features

GE90-115B Engines

  • The GE90-115B engine is the most powerful commercial jet engine in the world, producing up to 115,300 pounds of thrust.

Raked Wingtips

  • Extended wings with raked tips improve aerodynamic efficiency and reduce fuel consumption.

Strengthened Landing Gear & Structure

  • Designed to handle higher weights and longer missions.

Fly-by-Wire Control System

  • Digital flight control enhances stability, reduces pilot workload, and improves safety.



Passenger Experience

  • Wide-body, twin-aisle cabin allows for spacious seating configurations (typical: 3-4-3 in economy).

  • Quiet and smooth ride, thanks to efficient aerodynamics and advanced engine technology.

  • Offers large overhead bins, mood lighting, and modern in-flight entertainment systems depending on the airline.



Market Role

  • Designed to replace Boeing 747-400 and other large aircraft on long-haul, high-density routes.

  • Can operate ultra-long-range flights and still carry a full payload — passengers + cargo.

  • Ideal for hub-to-hub operations on global networks.



Major Operators

The 777-300ER is a workhorse for many of the world’s top airlines, including :

  • Emirates (world's largest operator)

  • Qatar Airways

  • Singapore Airlines

  • Cathay Pacific

  • ANA (All Nippon Airways)

  • Lufthansa

  • Air France

  • Korean Air

  • Turkish Airlines



Summary

Category Details
Role Long-range, high-capacity twin-jet
Entry Into Service 2004
Range ~13,650 km
Engines 2 × GE90-115B
Typical Seats ~368 passengers
Notable Feature Replaced 747 on many routes



Comparison with Other Variants

Variant
777-200ER
 777-200LR 777-300ER
Range ~13,080 km ~15,843 km ~13,650 km
Length 63.7 m 63.7 m 73.9 m
Capacity ~314–336 ~317 ~368–396
Engines GE/PW/RR GE90-110B/115B GE90-115B
Popularity Moderate Niche Extremely High



Why It Was So Successful

  • Replaced older, less efficient 4-engine aircraft

  • Lower fuel burn per seat

  • Huge cargo capacity in belly hold

  • Capable of flying nearly anywhere nonstop

  • Proven reliability and high dispatch rate



What’s Next?

  • Production of the 777-300ER has ended, replaced by the Boeing 777X family (especially the 777-9), which brings even more range and efficiency.

  • However, many 777-300ERs remain in service and will likely fly well into the 2030s.

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