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Boeing 777 Triple Seven

Boeing 777 Triple Seven

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Antonov Aircraft

The Boeing 777, commonly referred to as the Triple Seven, is an American wide-body airliner.

Boeing 777 Triple Seven

The Boeing 777, commonly referred to as the Triple Seven, is an American wide-body airliner developed and manufactured by Boeing Commercial Airplanes. It is the world’s largest twinjet.[4][5] The 777 was designed to bridge the gap between Boeing’s 767 and 747, and to replace older DC-10s and L-1011s. Developed in consultation with eight major airlines, with a first meeting in January 1990, the program was launched on October 14, 1990 with an order from United Airlines. The prototype was rolled out on April 9, 1994, and first flew on June 12, 1994. The 777 entered service with the launch customer, United Airlines, on June 7, 1995. Longer range variants were launched on February 29, 2000 and were first delivered on April 29, 2004

Design

In the early 1970s, the Boeing 747, McDonnell Douglas DC-10, and the Lockheed L-1011 TriStar became the first generation of wide-body passenger airliners to enter service.[14] In 1978, Boeing unveiled three new models: the twin-engine Boeing 757 to replace its 727, the twin-engine 767 to challenge the Airbus A300, and a trijet 777 concept to compete with the DC-10 and L-1011.[15][16][17] The mid-size 757 and 767 launched to market success, due in part to 1980s’ extended-range twin-engine operational performance standards (ETOPS) regulations governing transoceanic twinjet operations.[18] These regulations allowed twin-engine airliners to make ocean crossings at up to three hours’ distance from emergency diversionary airports.[19] Under ETOPS rules, airlines began operating the 767 on long-distance overseas routes that did not require the capacity of larger airliners.

RoleWide-body jet airliner
National originUnited States
ManufacturerBoeing Commercial Airplanes
First flightJune 12, 1994
IntroductionJune 7, 1995 with United Airlines
StatusIn service
Primary usersEmirates
United Airlines
Air France
Cathay Pacific
Produced1993–present
Number built1,657 as of February 2021 based on deliveries
Developed intoBoeing 777X

Development

Boeing delivered the first 777 to United Airlines on May 15, 1995. The FAA awarded 180-minute ETOPS clearance (“ETOPS-180“) for the Pratt & Whitney PW4084-engined aircraft on May 30, 1995, making it the first airliner to carry an ETOPS-180 rating at its entry into service. The first commercial flight took place on June 7, 1995, from London Heathrow Airport to Dulles International Airport near Washington, D.C. Longer ETOPS clearance of 207 minutes was approved in October 1996

General characteristics

Capacity
Flightcrew of two. Passenger seating for 305 in three classes or up to 440. Underfloor capacity for up to 32 LD3 containers.
Production
Total 777-200 orders received as of early 2003 452, with 379 delivered.
Related Links
Boeing 777-200

Specifications (777-200)

Performance

Wing span60.9 m
Length63.7 m
Height18.7 m
Powerplant777-200: 2 x PW 4077 (342.5 kN) or 2 x GE90-77B (342.5 kN) or 2 x RR Trent 877 (338.1 kN)

777-200ER: 2 x PW 4090 (400.3 kN) or 2 x GE90-94B (417 kN) or 2 x RR Trent 895 (415 kN)

Engine modelGeneral Electric GE90, Pratt & Whitney PW4000, Rolls-Royce Trent 800

Avionics

 
Typical cruising speed 905km/h (490kt). 777-200 – Range 229 tonne MTOW 7000km (3780nm), 233 tonne MTOW 7778km (4200nm), 247 tonne MTOW range 9537km (5150nm). 777-200ER – 263 tonne MTOW range 11,037km (5960nm), 286 tonne MTOW range 14,316km (7730nm). 777-200LR – Max range 16,417km (8865nm)

Aircrafttoaal encyclopedia

Antonov State Company is a Soviet, and later is a Ukrainian aircraft manufacturing and services company. Antonov's particular expertise is in the fields of very large aeroplanes and aeroplanes using unprepared runways.