Boeing 777-200LR

Boeing 777-200LR General Description The Boeing 777-200LR ("Longer Range") is the ultra-long-range version of the 777-200 family.  It holds the record for the longest nonstop flight by a commercial airliner and was designed to connect virtually any two cities on Earth with no stopovers. Nickname: "Worldliner" First Flight: March 8, 2005 Entry into Service: March 2006 (with Pakistan International Airlines) Key Specifications Feature Boeing 777-200LR Typical Seating ~317 passengers (3-class configuration) Maximum Seating Up to 440 passengers (all-economy) Range ~15,843 km (8,555 nautical miles) Length 63.7 meters (209 feet) Wingspan 64.8 meters (212.7 feet, with raked wingtips) Maximum Takeoff Weight ~347,450 kg (766,000 lbs) ...

Boeing 777

Boeing 777


The Boeing 777, often called the “Triple Seven,” is a long-range, wide-body, twin-engine airliner developed and manufactured by Boeing Commercial Airplanes

It is one of the most successful and iconic twinjets, known for its high passenger capacity, long range, and powerful engines.

The 777 was launched in October 1990, made its maiden flight on 12 June 1994, and entered commercial service with United Airlines in June 1995

Since then, it has become a backbone of many major airlines’ long-haul fleets.


Key Features and Innovations

1. Twin-Engine Long-Haul Design

  • The 777 was the first twin-engine aircraft capable of long transoceanic flights, thanks to its ETOPS (Extended-range Twin-engine Operational Performance Standards) certification.

  • It features some of the largest and most powerful turbofan engines ever built, such as the GE90, Pratt & Whitney PW4000, and Rolls-Royce Trent 800.

2. Wide-Body Cabin

  • The 777 typically has a 3-3-3 (or 3-4-3) economy seating configuration.

  • It can carry 314 to 396 passengers in a typical 3-class layout (depending on the variant).

  • Known for its spacious cabin, large overhead bins, and wide seats compared to older long-haul aircraft.

3. Range and Efficiency

  • The Boeing 777 series is designed for long-haul intercontinental flights, with ranges of up to 15,840 km (8,555 nmi) for the 777-200LR.

  • With only two engines (compared to four-engine aircraft like the Boeing 747), it offers lower fuel consumption and operating costs.

4. Variants

  • 777-200: The original version, with a range of 9,700 km (5,240 nmi) and around 314 seats.

  • 777-200ER: Extended range version.

  • 777-200LR: “Worldliner” version, capable of ultra-long-haul flights (e.g., Dubai to Los Angeles non-stop).

  • 777-300: Stretched version with 368 seats in a 3-class layout.

  • 777-300ER: Extended range, the most popular model.

  • 777F: A dedicated freighter variant.

  • 777X (777-8 & 777-9): The next generation, featuring folding wingtips, new GE9X engines, and improved fuel efficiency (scheduled to enter service in the mid-2020s).



Performance and Specifications (777-300ER)

  • Engines : General Electric GE90-115B (the world’s most powerful commercial jet engine, producing up to 115,000 pounds of thrust).

  • Passenger Capacity : 314–396 (3-class layout).

  • Range : 13,650 km (7,370 nmi).

  • Cruising Speed : Mach 0.84 (905 km/h).

  • MTOW (Maximum Takeoff Weight) : 351,500 kg (775,000 lb).



Technological Innovations

  1. Advanced Aerodynamics : The 777 was one of the first commercial aircraft designed using 100% computer-aided design (CAD).

  2. Glass Cockpit: Featuring six large LCD displays and fly-by-wire technology similar to Airbus aircraft.

  3. ETOPS Certification : It can fly long distances with just two engines, making it cheaper and more efficient compared to older four-engine jets.



Operational History

  • The Boeing 777 quickly became a favorite for airlines such as Emirates, Singapore Airlines, Qatar Airways, British Airways, American Airlines, and Air France.

  • Emirates is currently the largest operator, with over 140 Boeing 777s in its fleet.

  • The aircraft is widely used for both passenger and cargo operations due to its reliability and payload capacity.



Boeing 777X – The Future of the Triple Seven

  • The 777X family (777-8 and 777-9) is the next-generation upgrade, featuring composite wings with folding wingtips, new GE9X engines, and improved fuel burn by 10%.

  • 777-9: Largest twin-engine aircraft in the world, seating 384–426 passengers with a range of 13,500 km (7,285 nmi).

  • Expected to compete with the Airbus A350-1000.



Comparison : Boeing 777 vs. Boeing 787 Dreamliner

  • Size & Capacity : The 777 is larger and carries more passengers (up to 396 in 3-class), whereas the 787 is smaller (up to ~300 passengers).

  • Range : 787 is optimized for fuel efficiency and point-to-point routes, while 777 is better for high-capacity, hub-to-hub flights.

  • Technology : 787 uses more carbon composites (50% of its structure), while the 777 is mainly aluminum (except for the upcoming 777X, which adds composites).



Summary Table (777-300ER)

Specification Detail
Length 73.9 m (242 ft 4 in)
Wingspan 64.8 m (212 ft 7 in)
Height 18.5 m (60 ft 9 in)
Cruising Speed Mach 0.84 (~905 km/h)
Range 13,650 km (7,370 nmi)
Passenger Capacity 314–396 (3-class)
Engines GE90-115B
MTOW 351,500 kg (775,000 lb)

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