The Boeing 777 is a family of long range widebody
twin engine airliners built by Boeing Commercial Airplanes.

1. 777x Engine
2. Boeing 777 Engine Types

It carries between 305 and 550 passengers and has a range spanning from 5,600 to 8,870 nautical miles (10,400 to 16,400 km). Its first flight was in 1994.

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2. The Boeing 777 is a family of long range widebody twin engine airliners built by Boeing Commercial Airplanes. It carries between 305 and 550 passengers and has a range spanning from 5,600 to 8,870 nautical miles (10,400 to 16,400 km). Its first flight was in 1994.

Distinguishing features of the 777 include the set of six wheels on each main landing gear, its perfectly circular fuselage cross section, and the blade like rear tailcone.

In the 1970s Boeing unveiled its new models to replace and expand its then current line up. They were the twin engined 757 , to replace the venerable 727; the twin engined 767 to challenge the Airbus A300 and the 777 trijet to compete with the DC-10 and the Lockheed TriStar L-1011.

It was a trijet airplane based on a re-winged 767 design, with two main variants: a transcontinental airplane transporting 175 on trips up to 5,000 km (2,700 nautical miles) and an intercontinental version capable of flying over 8,000 km (4,320 nautical miles) with the same passenger load.

The twinjets were launched and the 777 trijet was cancelled. Boeing's choice to not proceed with the 777 was influenced by the design complexities of trijet aircraft, the absence of an engine with thrust in the range of 40,000 lb f (178 kN), and the success of the 757 and 767, particularly with the benefit of ETOPS regulations of the 1980s.

777x Engine

Boeing had a big gap in its product line between the 767-300ER and the 747-400 in terms of size and range, and realized the potential of such an airplane. The DC-10 and Lockheed Tristar, being of 1960s design, were also ripe for replacement. In the meantime, Airbus developed the A330 and A340 to fulfill that requirement.

The initial proposal from Boeing was simply to enlarge the 767, resulting in the 767-X concept. It was similar to a 767 but with a longer fuselage and larger wings seating about 340 passengers and with a maximum range of 7,300 nautical miles (13,500 km).

The airlines were unimpressed with the 767-X. They wanted short to intercontinental range capability, cabin cross section similar to the 747, a fully flexible cabin configuration and an operating cost lower than any 767 stretch. The result was a new design, the 777 twinjet.

The design phase of the 777 differed from all previous Boeing jetliners. For the first time, the airlines and their passengers had a role in the development of the plane. The 'Working Together' philosophy, as Boeing called it, meant that the 777 was their most customer oriented aircraft yet.

The 777 was also the first commercial aircraft to be designed 100% by computer. No paper drawings were ever produced; everything was created on a 3D CAD software system known as CATIA. This allowed a virtual 777 to be assembled in cyberspace, allowing engineers to examine for interferences, and to test if the many thousands of parts would fit together properly before costly physical prototypes were manufactured.

Market demand sized, shaped and launched the newest member of the Boeing twin-aisle family -- the 777. The airplane design offers features, innovations and approaches to airplane development that set the standard for delivering value to airlines.

The Boeing 777 is the first jetliner to be 100 percent digitally designed using three-dimensional computer graphics. Throughout the design process, the airplane was 'pre-assembled' on the computer, eliminating the need for a costly, full-scale mock-up.

The airplane is larger than all other twinjet or trijet airplanes and smaller than the 747. It brings the twin-engine economic advantage to medium- and long-range markets.

Responding to strong demand from cargo operators around the world for an efficient, long-range, and high-capacity freighter, Boeing announced authority to offer the Boeing 777 Freighter in November 2004. Bringing unsurpassed efficiency to long-haul markets.

The 777 currently is available in six models: 777-200, 777-200ER (extended range), 777-200LR (longer-range), 777-300 and the 777-300ER, and the 777 Freighter.

Boeing 777 Engine Types

The 777 program was launched in October 1990 with an order from United Airlines. In June 1995, United flew its first 777 in revenue service.

The Boeing board of directors authorized production of the 777-300 on June 26, 1995. The first 777-300 was delivered to Cathay Pacific Airways in June 1998.

Launched in February 2000, the new longer-range 777-200 and 777-300 airplanes bring the comfort and economic advantages of the Boeing 777 to non-stop routes that have never before been possible. The first 777-300ER rolled out of the Everett, Wash., factory on Nov. 14, 2002.

The first 777-200LR (Longer Range) -- the world's longest range commercial airplane -- was unveiled February 15, 2005 and first flew on March 8 and has begun a six-month flight-test program.

Boeing is offering its 777 customers new innovations that take advantage of the space in the overhead area of the airplane -- the area located between the top of the stow bins and the crown of the airplane. These innovations will allow operators to use the overhead space for crew rest stations and storage.

Thanks to a new wing, more efficient engine, and a lighter structure, the 777 makes efficient use of fuel. And this, in turn, means lower emissions per passenger seat. For every pound of fuel conserved, three fewer pounds of carbon dioxide are generated. The bottom line: Fuel efficiency isn't just good for economics, it's good for the environment.

Did you know -- The 777 is the first airplane to have a rose named after it?

On Feb. 15, 1996, the 777 was named winner of the prestigious Robert J. Collier Trophy by the U.S. National Aeronautic Association. The award honored the 777 as the top aeronautical achievement of 1995.

Boeing 777

Each engine on the 777 has a diameter approximately the size of a 737’s fuselage

All of the engines on the Titanic delivered around 46,000 horsepower combined. Just one of the GE units on the 777 puts out over 111,000 horsepower

During certification testing in 2002, the GE90-115B engine (777-300) set a world-record 127,900 lbs. of thrust. The GE90-115B ran for approximately 60 hours at triple red-line conditions (max fan speed, core speed and exhaust gas temperature) to evaluate the engine at its operational limits and demonstrate its capability beyond the most extreme operating conditions

There are 3 million parts in a Boeing 777 provided by more than 900 suppliers

The 777 was named winner of the prestigious Robert J. Collier Trophy by the U.S. National Aeronautic Association, which honored the Boeing 777 as the top aeronautical achievement of 1995

The 777 can cruise at altitudes up to 43,100 feet

Boeing engineers designed and electronically pre-assembled the 777 using computers. New laboratory facilities enabled the various airplane systems to be tested together as a single integrated entity in simulated flight conditions, before the first jetliner took to the air

The 777’s landing gear is the largest ever in a commercial jetliner. With six wheels on each main landing gear, and two wheels on the nose gear, it has an unmistakable footprint

The Fédération Aéronautique Internationale recognized the Boeing 777 in April 1997 for achieving a speed and distance record for airplanes in its size and class. The 777 set the “Great Circle Distance Without Landing” record, traveling 10,823 nautical miles (20,044 kilometers or 12,455 miles), and it set the record for “Speed Around the World, Eastbound,” traveling at an average speed of 553 mph (889 kilometers per hour)

On May 30, 1995, the 777 became the first airplane in aviation history to earn U.S. Federal Aviation Administration (FAA) approval to fly extended-range twin-engine operations (ETOPS) at entry into service. On that date, the FAA awarded the Pratt & Whitney-powered Boeing 777, 180-minute ETOPS

The 777 underwent the most extensive flight-test program ever conducted on a commercial jetliner. The flight-test program included nine airplanes, which flew more than 7,000 hours and 4,900 flights

The data shared and transferred on the network during the design phase of the 777 program totaled 1,847,930,000,000 bytes of production data. If you collected the equivalent of all this data on 3.5-inch diskettes the stack of these diskettes would be 13,368 feet (4,074.5 meters), which is taller than Mt. Fuji in Japan, which stands 12,338 feet (3760.6 meters)

Today’s Boeing 777 operators enjoy a 99 percent dispatch reliability rate

The flight control system for the 777 airplane is different from those on other Boeing airplane designs. Rather than have the airplane rely on cables to move the ailerons, elevator, and rudder, Boeing designed the 777 with fly-by-wire technology. As a result, the 777 uses wires to carry electrical signals from the pilot control wheel, column, and pedals to a primary flight computer

There is approximately 50,000 cubic feet of volume in a 777-300, and 40,000 in a 777-200

A lightly loaded Boeing 777 can accelerate from zero to 60 mph in less than six seconds

For engine testing, birds weighing up to 8 lbs. were launched into the engines & a rainstorm with 80 inches of rain per hour was created

As of December 2016, 60 customers had placed orders for 1,902 aircraft of all variants, with 1,460 delivered. The most common and successful variant is the 777-300ER with 702 delivered and 809 orders; Emirates operates the largest 777 fleet, with 157 passenger and freighter aircraft as of July 2016

The Boeing 777 is manufactured in Everett, Washington – the plant is so large that it requires its own fire department, security force, fully equipped medical clinic, electrical substations and water-treatment plant. The site’s main assembly building, which the Guinness Book of World Records acknowledges as the largest building in the world by volume, its footprint covers 98.3 acres

The 777 was aimed to replace DC-10s and L-1011s

United was the launch customer for the 777 project

Cathay Pacific was the launch customer for the 777-300 project

During takeoff, the 777’s engines push 2 million cubic feet of air per minute. That’s enough air to keep a human breathing for 44 days

Hull Losses :

17 Jan 2008 British Airways 38 Engine problems while landing at LHR

29 July 2011 EgyptAir Fire on the grounds of Cairo International Airport

July 2013 Asiana Airlines 214 Crash landed while landing at SFO

8 March 2014 Malaysia Airlines 370 Disappeared from Kuala Lumpur to Beijing

17 July 2014 Malaysia Airlines 17 Shot down from AMS to Kuala Lumpur

3 August 2016Emirates 521 Crash landed while landing from India to Dubai
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