Boeing 777 - wikipedia Boeing 777 `` B777 '' redirects here. For the road in Scotland, see B777 road. Boeing 777 Boeing 777 - 200ER of United Airlines, the launch customer of the Boeing 777 Role Wide - body jet airliner National origin United States Manufacturer Boeing Commercial Airplanes First flight June 12, 1994 Introduction June 7, 1995, with United Airlines Status In service Primary users Emirates United Airlines Cathay Pacific Air France Produced 1993 -- present Number built 1,518 through September 2017 Unit cost 777 - 200ER : US $261.5 million 777 - 200LR : US $296.0 million 777 - 300ER : US $320.2 million 777F : US $300.5 million Developed into Boeing 777X The Boeing 777 is a family of long - range wide - body twin - engine jet airliners developed and manufactured by Boeing Commercial Airplanes. It is the world 's largest twinjet and has a typical seating capacity of 314 to 396 passengers, with a range of 5,240 to 8,555 nautical miles ( 9,704 to 15,844 km ). Commonly referred to as the `` Triple Seven '', its distinguishing features include the largest - diameter turbofan engines of any aircraft, six wheels on each main landing gear, fully circular fuselage cross-section, and a blade - shaped tail cone. Developed in consultation with eight major airlines, the 777 was designed to replace older wide - body airliners and bridge the capacity difference between Boeing 's 767 and 747. As Boeing 's first fly - by - wire airliner, it has computer - mediated controls. It was also the first commercial aircraft to be designed entirely with computer - aided design. The 777 is produced in two fuselage lengths as of 2017. The original 777 - 200 variant entered commercial service in 1995, followed by the extended - range 777 - 200ER in 1997. The stretched 777 - 300, which is 33.25 ft ( 10.1 m ) longer, followed in 1998. The initial 777 - 200, - 200ER and - 300 versions are equipped with General Electric GE90, Pratt & Whitney PW4000, or Rolls - Royce Trent 800 engines. The extended - range 777 - 300ER and ultra long - range 777 - 200LR variants entered service in 2004 and 2006 respectively, while the 777F, a freighter version, debuted in February 2009 ; these variants all feature high - output GE90 engines and extended raked wingtips. The 777 - 200LR is one of the world 's longest - range airliners, able to fly more than halfway around the globe and holds the record for the longest distance flown non-stop by a commercial aircraft. The 777 first entered commercial service with United Airlines on June 7, 1995. It has received more orders than any other wide - body airliner ; as of September 2017, 60 customers had placed orders for 1,945 aircraft of all variants, with 1,518 delivered. The most common and successful variant is the 777 - 300ER with 758 delivered and 829 orders ; Emirates operates the largest 777 fleet, with 161 passenger and freighter aircraft as of July 2017. The 777 has been involved in six hull losses as of October 2016 ; the Asiana Airlines Flight 214 accident in July 2013 was its first fatal crash in 18 years of service. The 777 ranks as one of Boeing 's best - selling models. Airlines have acquired the type as a comparatively fuel - efficient alternative to other wide - body jets and have increasingly deployed the aircraft on long - haul transoceanic routes. Direct market competitors include the Airbus A330 - 300, the Airbus A350 XWB, and the out - of - production A340 and McDonnell Douglas MD - 11. The 787 Dreamliner, which entered service in 2011, shares design features and a common type rating for pilots with the 777. In November 2013, Boeing announced the development of upgraded 777 - 8 and 777 - 9 variants, collectively named 777X, featuring composite wings and GE9X engines and further technologies developed for the 787. The new 777X series is planned to enter service by 2020. Contents 1 Development 1.1 Background 1.2 Design effort 1.3 Production and testing 1.4 Entry into service 1.5 Initial derivatives 1.6 Longer - range models 1.7 Updates and improvements 1.8 Production 1.9 777X program 2 Design 2.1 Fly - by - wire 2.2 Airframe and systems 2.3 Interior 3 Variants 3.1 777 - 200 3.2 777 - 200ER 3.3 777 - 200LR 3.4 777 - 300 3.5 777 - 300ER 3.6 777 Freighter 3.7 777 - 8 and - 9 3.8 Government and corporate 4 Operators 4.1 Orders and deliveries 5 Accidents and incidents 6 Specifications 7 See also 8 References 8.1 Footnotes 8.2 Citations 8.3 Bibliography 9 External links Development Background 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. 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. 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. These regulations allowed twin - engine airliners to make ocean crossings at up to three hours ' distance from emergency diversionary airports. Under ETOPS rules, airlines began operating the 767 on long - distance overseas routes that did not require the capacity of larger airliners. The trijet 777 was later dropped, following marketing studies that favored the 757 and 767 variants. Boeing was left with a size and range gap in its product line between the 767 - 300ER and the 747 - 400. By the late 1980s, DC - 10 and L - 1011 models were approaching retirement age, prompting manufacturers to develop replacement designs. McDonnell Douglas was working on the MD - 11, a stretched and upgraded successor of the DC - 10, while Airbus was developing its A330 and A340. In 1986, Boeing unveiled proposals for an enlarged 767, tentatively named 767 - X, to target the replacement market for first - generation wide - bodies such as the DC - 10, and to complement existing 767 and 747 models in the company lineup. The initial proposal featured a longer fuselage and larger wings than the existing 767, along with winglets. Later plans expanded the fuselage cross-section but retained the existing 767 flight deck, nose, and other elements. Airline customers were unimpressed with the 767 - X proposals, and instead wanted an even wider fuselage cross-section, fully flexible interior configurations, short - to intercontinental - range capability, and an operating cost lower than any 767 stretch. Airline planners ' requirements for larger aircraft had become increasingly specific, adding to the heightened competition among aircraft manufacturers. By 1988, Boeing realized that the only answer was a new design, which became the 777 twinjet. The company opted for the twin - engine configuration given past design successes, projected engine developments, and reduced - cost benefits. On December 8, 1989, Boeing began issuing offers to airlines for the 777. Design effort Glass cockpit of a Transaero Airlines 777 - 200ER The design phase for the new twinjet was different from Boeing 's previous commercial jetliners. For the first time, eight major airlines -- All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta Air Lines, Japan Airlines, Qantas, and United Airlines -- had a role in the development. This was a departure from industry practice, where manufacturers typically designed aircraft with minimal customer input. The eight airlines that contributed to the design process became known within Boeing as the `` Working Together '' group. At the first group meeting in January 1990, a 23 - page questionnaire was distributed to the airlines, asking what each wanted in the design. By March 1990, Boeing and the airlines had decided upon a basic design configuration : a cabin cross-section close to the 747 's, capacity up to 325 passengers, flexible interiors, a glass cockpit, fly - by - wire controls, and 10 percent better seat - mile costs than the A330 and MD - 11. Boeing selected its Everett factory in Washington, home of 747 production, as the 777 's final assembly site. On October 14, 1990, United Airlines became the 777 's launch customer when it placed an order for 34 Pratt & Whitney - powered aircraft valued at US $11 billion with options on an additional 34. The development phase coincided with United 's replacement program for its aging DC - 10s. United required that the new aircraft be capable of flying three different routes : Chicago to Hawaii, Chicago to Europe, and non-stop from Denver, a hot and high airport, to Hawaii. ETOPS certification was also a priority for United, given the overwater portion of United 's Hawaii routes. In January 1993, a team of United developers joined other airline teams and Boeing designers at the Everett factory. The 240 design teams, with up to 40 members each, addressed almost 1,500 design issues with individual aircraft components. The fuselage diameter was increased to suit Cathay Pacific, the baseline model grew longer for All Nippon Airways, and British Airways ' input led to added built - in testing and interior flexibility, along with higher operating weight options. The 777 was the first commercial aircraft designed entirely by computer. Each design drawing was created on a three - dimensional CAD software system known as CATIA, sourced from Dassault Systemes and IBM. This lets engineers assemble a virtual aircraft, in simulation, to check for interference and verify that the thousands of parts fit properly -- thus reducing costly rework. Boeing developed its own high - performance visualization system, FlyThru, later called IVT ( Integrated Visualization Tool ) to support large - scale collaborative engineering design reviews, production illustrations, and other uses of the CAD data outside of engineering. Boeing was initially not convinced of CATIA 's abilities and built a physical mock - up of the nose section to verify its results. The test was so successful that additional mock - ups were canceled. Production and testing Boeing 777 N777UA, which served in the 777 flight test program and became the first 777 - 200 in commercial service with United Airlines, taking off from Amsterdam Airport Schiphol in 2005. The production process included substantial international content, an unprecedented level of global subcontracting for a Boeing jetliner, later exceeded by the 787. International contributors included Mitsubishi Heavy Industries and Kawasaki Heavy Industries ( fuselage panels ), Fuji Heavy Industries, Ltd. ( center wing section ), Hawker de Havilland ( elevators ), and Aerospace Technologies of Australia ( rudder ). An agreement between Boeing and the Japan Aircraft Development Corporation, representing Japanese aerospace contractors, made the latter risk - sharing partners for 20 percent of the entire development program. The initial 777 - 200 model was launched with propulsion options from three manufacturers, General Electric, Pratt & Whitney, and Rolls - Royce, giving the airlines their choice of engines from competing firms. Each manufacturer agreed to develop an engine in the 77,000 lbf ( 340 kN ) and higher thrust class ( a measure of jet engine output ) for the world 's largest twinjet. To accommodate production of its new airliner, Boeing doubled the size of the Everett factory at the cost of nearly US $1.5 billion to provide space for two new assembly lines. New production methodologies were developed, including a turn machine that could rotate fuselage subassemblies 180 degrees, giving workers access to upper body sections. Major assembly of the first aircraft began on January 4, 1993. By the start of production, the program had amassed 118 firm orders, with options for 95 more from 10 airlines. Total investment in the program was estimated at over US $4 billion from Boeing, with an additional US $2 billion from suppliers. On April 9, 1994, the first 777, line number WA001, was rolled out in a series of 15 ceremonies held during the day to accommodate the 100,000 invited guests. The first flight took place on June 12, 1994, under the command of chief test pilot John E. Cashman. This marked the start of an 11 - month flight test program that was more extensive than testing for any previous Boeing model. Nine aircraft fitted with General Electric, Pratt & Whitney, and Rolls - Royce engines were flight tested at locations ranging from the desert airfield at Edwards Air Force Base in California to frigid conditions in Alaska, mainly Fairbanks International Airport. To satisfy ETOPS requirements, eight 180 - minute single - engine test flights were performed. The first aircraft built was used by Boeing 's nondestructive testing campaign from 1994 to 1996, and provided data for the - 200ER and - 300 programs. At the successful conclusion of flight testing, the 777 was awarded simultaneous airworthiness certification by the U.S. Federal Aviation Administration ( FAA ) and European Joint Aviation Authorities ( JAA ) on April 19, 1995. Entry into service 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. On November 12, 1995, Boeing delivered the first model with General Electric GE90 - 77B engines to British Airways, which entered service five days later. Initial service was affected by gearbox bearing wear issues, which caused British Airways to temporarily withdraw its 777 fleet from transatlantic service in 1997, returning to full service later that year. General Electric subsequently announced engine upgrades. Pratt & Whitney PW4000 Rolls - Royce Trent 800 General Electric GE90, thrust reverser deployed The first Rolls - Royce Trent 877 - powered aircraft was delivered to Thai Airways International on March 31, 1996, completing the introduction of the three powerplants initially developed for the airliner. Each engine - aircraft combination had secured ETOPS - 180 certification from the point of entry into service. By June 1997, orders for the 777 numbered 323 from 25 airlines, including satisfied launch customers that had ordered additional aircraft. Operations performance data established the consistent capabilities of the twinjet over long - haul transoceanic routes, leading to additional sales. By 1998, the 777 fleet had approached 900,000 flight hours. Boeing states that the 777 fleet has a dispatch reliability ( rate of departure from the gate with no more than 15 minutes delay due to technical issues ) above 99 percent. Initial derivatives Air New Zealand 777 - 200ER on final approach After the original model, Boeing developed an increased gross weight variant of the 777 - 200 with greater range and payload capability. Initially named 777 - 200IGW, the 777 - 200ER first flew on October 7, 1996, received FAA and JAA certification on January 17, 1997, and entered service with British Airways on February 9, 1997. Offering greater long - haul performance, the variant became the most widely ordered version of the aircraft through the early 2000s. On April 2, 1997, a Malaysia Airlines - 200ER named `` Super Ranger '' broke the great circle `` distance without landing '' record for an airliner by flying eastward from Boeing Field, Seattle to Kuala Lumpur, a distance of 10,823 nautical miles ( 20,044 km ), in 21 hours and 23 minutes. Following the introduction of the - 200ER, Boeing turned its attention to a stretched version of the airliner. On October 16, 1997, the 777 - 300 made its first flight. At 242.4 ft ( 73.9 m ) in length, the - 300 became the longest airliner yet produced ( until the A340 - 600 ), and had a 20 percent greater overall capacity than the standard length model. The - 300 was awarded type certification simultaneously from the FAA and JAA on May 4, 1998, and entered service with launch customer Cathay Pacific on May 27, 1998. Longer - range models GE90 engine mounted on a 777 - 300ER with a Boeing engineer to show the engine 's size. A single GE90 engine has powered the GE test 747 during level flight. From the program 's start, Boeing had considered building ultra-long - range variants. Early plans centered on a 777 - 100X proposal, a shortened variant of the - 200 with reduced weight and increased range, similar to the 747SP. However, the - 100X would have carried fewer passengers than the - 200 while having similar operating costs, leading to a higher cost per seat. By the late 1990s, design plans shifted to longer - range versions of existing models. In March 1997 the Boeing board approved the 777 - 200X / 300X specifications : 298 passengers in three classes over 8,600 nmi ( 15,900 km ) for the 200X and 6,600 nmi ( 12,200 km ) with 355 passengers in a tri-class layout for the 300X, with design freeze planned in May 1998, 200X certification in August 2000, and introduction in September and in January 2001 for the 300X. A more powerful engine in the 100,000 lbf ( 440 kN ) and higher thrust class was required, leading to talks between Boeing and engine manufacturers. General Electric offered to develop the GE90 - 115B engine, while Rolls - Royce proposed developing the Trent 8104 engine. In 1999, Boeing announced an agreement with General Electric, beating out rival proposals. Under the deal with General Electric, Boeing agreed to only offer GE90 engines on new 777 versions. On February 29, 2000, Boeing launched its next - generation twinjet program, initially called 777 - X, and began issuing offers to airlines. Development was slowed by an industry downturn during the early 2000s. The first model to emerge from the program, the 777 - 300ER, was launched with an order for ten aircraft from Air France, along with additional commitments. On February 24, 2003, the - 300ER made its first flight, and the FAA and EASA ( European Aviation Safety Agency, successor to the JAA ) certified the model on March 16, 2004. The first delivery to Air France took place on April 29, 2004. The - 300ER, which combined the - 300 's added capacity with the - 200ER 's range, became the top - selling 777 variant in the late 2000s, benefitting as airlines replaced comparable four - engine models with twinjets for their lower operating costs. The second long - range model, the 777 - 200LR, rolled out on February 15, 2005, and completed its first flight on March 8, 2005. The - 200LR was certified by both the FAA and EASA on February 2, 2006, and the first delivery to Pakistan International Airlines occurred on February 26, 2006. On November 10, 2005, the first - 200LR set a record for the longest non-stop flight of a passenger airliner by flying 11,664 nautical miles ( 21,602 km ) eastward from Hong Kong to London. Lasting 22 hours and 42 minutes, the flight surpassed the - 200LR 's standard design range and was logged in the Guinness World Records. The production freighter model, the 777F, rolled out on May 23, 2008. The maiden flight of the 777F, which used the structural design and engine specifications of the - 200LR along with fuel tanks derived from the - 300ER, occurred on July 14, 2008. FAA and EASA type certification for the freighter was received on February 6, 2009, and the first delivery to launch customer Air France took place on February 19, 2009. Updates and improvements In late 2011, the FAA assigned a common type rating to the 787 and 777, allowing pilots qualified on either aircraft to operate both models, due to related design features. The smaller 787 was the first stage of a replacement aircraft initiative called the Boeing Yellowstone Project. Reportedly, the 777 could eventually be replaced by a new aircraft family, Yellowstone 3, which would draw upon technologies from the 787. All Nippon Airways 777 - 300ER taking off By the late 2000s, the 777 was facing increased potential competition from Airbus ' planned A350 XWB and internally from proposed 787 variants, both airliners that promise fuel efficiency improvements. As a consequence, the 777 - 300ER received an engine and aerodynamics improvement package for reduced drag and weight. In 2010, the variant further received a 5,000 lb ( 2,300 kg ) maximum zero - fuel weight increase, equivalent to a higher payload of 20 -- 25 passengers ; its GE90 - 115B1 engines received a 1 -- 2.5 percent thrust enhancement for increased takeoff weights at higher - altitude airports. More changes were targeted for late 2012, including possible extension of the wingspan, along with other major changes, including a composite wing, new powerplant, and different fuselage lengths. Emirates was reportedly working closely with Boeing on the project, possibly being the launch customer for new 777 versions. China Airlines ordered ten 777 - 300ER aircraft to replace 747 - 400s on routes between Taipei and Los Angeles and New York City, telling Aviation Week and Space Technology that the 777 - 300ER 's per seat cost is about 20 % lower than the 747 's costs ( varying due to fuel prices ). Four of the 777 aircraft were already flying as of February 2015. Boeing has worked with General Electric to offer a 2 % improvement in fuel efficiency to new aircraft beginning in 2016. GE will improve the fan module and the high pressure compressor stage - 1 blisk in the GE - 90 - 115 turbofan, as well as reduce clearances between the tips of the turbine blades and the shroud during cruise. These improvements, of which the latter is the most important and was derived from work to develop the 787, will, GE says, lower fuel burn by 0.5 %. Boeing 's wing modification will deliver the remainder. Boeing stated that every 1 % improvement in the 777 - 300ER 's fuel burn translates into being able to fly the aircraft another 75 nautical miles on the same load of fuel, or add ten passengers or 2,400 lb of cargo to a `` load limited '' flight. In March 2015, additional details of the improvement package were published in Aviation Week & Space Technology. The 777 - 300ER is to shed 1,800 lb. Boeing will replace the fuselage crown with tie rods and composite integration panels, similar to those used on the 787. New flight control software is to eliminate the need for the tail skid by keeping the tail off the runway surface regardless of the extent to which pilots command the elevators. Boeing is also redesigning the inboard flap fairings to reduce drag by reducing pressure on the underside of the wing. The outboard raked wingtip is to have a divergent trailing edge, described as a `` poor man 's airfoil '' by Boeing ; this originally developed for the McDonnell Douglas MD - 12 project. Another change involves elevator trim bias. These changes are to increase fuel efficiency and allow airlines to add 14 additional seats to the airplane, increasing per seat fuel efficiency by 5 %. Production Initially second to the 747 as Boeing 's most profitable jetliner, the 777 became the company 's most lucrative model in the 2000s. Program sales accounted for an estimated US $400 million of Boeing 's pretax earnings in 2000, US $50 million more than the 747. By 2004, the airliner comprised the bulk of wide - body revenues for the Boeing Commercial Airplanes division. In 2007, orders for second - generation 777 models approached 350 aircraft, and in November of that year, Boeing announced that all production slots were sold out to 2012. The program backlog of 356 orders was valued at US $95 billion at list prices in 2008. An Air India Boeing 777 - 200LR is rolled out at the Boeing Everett Factory In 2010, Boeing announced plans to increase production from 5 aircraft per month to 7 aircraft per month by mid-2011, and 8.3 per month by early 2013. Complete assembly of each 777 - 300ER requires 49 days. In November 2011, assembly began on the 1,000 th 777, a - 300ER model for Emirates ; which was rolled out in March 2012. By April 2014, with cumulative sales surpassing those of the 747, the 777 became the best - selling wide - body airliner ; at existing production rates, the aircraft was on track to become the most - delivered wide - body airliner by mid-2016. Mindful of the long time required to bring the 777X to the market, Boeing continued to develop improvement packages which improve fuel efficiency, as well as lower prices for the existing product. As of February 2015, the backlog of undelivered 777s totals 278 aircraft, representing just under three years of current production at 8.3 aircraft per month, causing Boeing to ponder the 2018 - 2020 time frame. In January 2015, United Airlines ordered 10 Boeing 777 - 300ERs, normally costing around $150 million each but paid around $130 million, a discount to bridge the production gap to the 777X. In January 2016, Boeing confirmed plans to reduce the production rate of the 777 family from 8.3 per month to 7 per month in 2017 to help close the production gap between the 777 and 777X created by a lack of new orders. In 2018, assembling test 777 - 9 aircraft is expected to lower output to an effective rate of 5.5 per month. Boeing will drop 777 production to five per month in August 2017. 777X program Main article : Boeing 777X In September 2011, Boeing released more details on proposed third - generation 777 versions, collectively referred to as 777X and tentatively designated 777 - 8 and 777 - 9. The 777 - 9 was to feature a fuselage stretch of 7.0 ft ( 2.13 m ) to a total length of 250 ft 11 in ( 76.5 m ) to accommodate 407 passengers, while the ultra long - range 777 - 8, a replacement for the 777 - 200LR, was slated to be 228.17 ft ( 69.5 m ) in length. Wingspan for both models was expected to increase from the current 212 ft 7 in ( 64.8 m ) to 234 ft ( 71.3 m ), and incorporate the use of carbon fiber reinforced polymer in its construction. In February 2012, General Electric disclosed studies on a new engine, dubbed the GE9X, to power the 777X. Rolls - Royce and Pratt & Whitney also proposed powerplants for the 777X, including the RB3025 concept, based on the Trent 1000 and Trent XWB engines, and an adaptation of PW1000G engine architecture to produce up to 100,000 lbf ( 440 kN ) of thrust. However, in March 2013 the General Electric GE9X was selected as the exclusive engine to power the 777X. In May 2013, Boeing 's board of directors gave formal permission for its Commercial Airplanes division to start offering the 777X to customers. The 777X program includes two models : the 777 - 9, which is stretched beyond the length of the 777 - 300ER, and the 777 - 8, which is sized close to the 777 - 300ER but with ultra-long range capability. On September 19, 2013, Lufthansa 's supervisory board gave approval to order 34 Boeing 777 - 9 aircraft to replace its 747 - 400s, in advance of the program 's official launch. In October 2013, Boeing announced that its U.S. facilities in Charleston, Huntsville, Long Beach, Philadelphia, and St. Louis as well as Russian facilities in Moscow would support the 777X design effort. Boeing officially launched the 777X at the 2013 Dubai Airshow in November 2013, announcing a total of 259 orders and commitments worth more than US $95 billion, constituting the largest product launch by dollar value in the history of commercial aviation. These included orders for 150 aircraft from Emirates, 25 aircraft from Etihad Airways, and 50 aircraft from Qatar Airways ; the former two orders encompass both 777 - 8 and 777 - 9 variants and the latter is entirely for the 777 - 9. Design Engines, extended slats, flaps, and landing gear of an American Airlines 777 - 200ER Boeing introduced a number of advanced technologies with the 777 design, including fully digital fly - by - wire controls, fully software - configurable avionics, Honeywell LCD glass cockpit flight displays, and the first use of a fiber optic avionics network on a commercial airliner. Boeing made use of work done on the cancelled Boeing 7J7 regional jet, which utilized similar versions of the chosen technologies. In 2003, Boeing began offering the option of cockpit electronic flight bag computer displays. In 2013, Boeing announced that the upgraded 777X models would incorporate airframe, systems, and interior technologies from the 787. Fly - by - wire In designing the 777 as its first fly - by - wire commercial aircraft, Boeing decided to retain conventional control yokes rather than change to sidestick controllers as used in many fly - by - wire fighter aircraft and in many Airbus airliners. Along with traditional yoke and rudder controls, the cockpit features a simplified layout that retains similarities to previous Boeing models. The fly - by - wire system also incorporates flight envelope protection, a system that guides pilot inputs within a computer - calculated framework of operating parameters, acting to prevent stalls, overspeeds, and excessively stressful maneuvers. This system can be overridden by the pilot if deemed necessary. The fly - by - wire system is supplemented by mechanical backup. Airframe and systems Planform view of a Boeing 777 - 200ER The wings on the 777 feature a supercritical airfoil design that is swept back at 31.6 degrees and optimized for cruising at Mach 0.83 ( revised upward after flight tests to Mach 0.84 ). The wings are designed with increased thickness and a longer span than previous airliners, resulting in greater payload and range, improved takeoff performance, and a higher cruising altitude. The wings also serve as fuel storage, with longer - range models able to carry up to 47,890 US gallons ( 181,300 L ) of fuel. This capacity allows the 777 - 200LR to operate ultra-long - distance, trans - polar routes such as Toronto to Hong Kong. In 2013, a new wing made of composite materials was introduced for the upgraded 777X, with a wider span and design features based on the 787 's wings. Unlike smaller airliners like the Boeing 737, no current 777 wings have winglets ; instead, the exceptionally long raked wings of the 777 serve the same drag - reducing function. Large folding wingtips, 21 feet ( 6.40 m ) long, were offered when the 777 was first launched, to appeal to airlines who might use gates made to accommodate smaller aircraft, but no airline purchased this option. Folding wingtips reemerged as a design feature at the announcement of the upgraded 777X in 2013. Smaller folding wingtips of 11 feet ( 3.35 m ) in length will allow 777X models to use the same airport gates and taxiways as earlier 777s. These smaller folding wingtips are less complex than those proposed for earlier 777s, and internally only affect the wiring needed for wingtip lights. The six - wheel undercarriage of a Boeing 777 - 300 The airframe incorporates the use of composite materials, which comprise nine percent of its original structural weight ( all models outside the 777 - 8 and 777 - 9 ). Elements made from composite material include the cabin floor and rudder. The main fuselage cross-section is circular and tapers rearward into a blade - shaped tail cone with a port - facing auxiliary power unit. The aircraft also features the largest landing gear and the biggest tires ever used in a commercial jetliner. The six - wheel bogies are designed to spread the load of the aircraft over a wide area without requiring an additional centerline gear. This helps reduce weight and simplifies the aircraft 's braking and hydraulic systems. Each tire of a 777 - 300ER six - wheel main landing gear can carry a load of 59,490 lb ( 26,980 kg ), which is heavier than other wide - bodies such as the 747 - 400. The aircraft has triple redundant hydraulic systems with only one system required for landing. A ram air turbine -- a small retractable propeller which can provide emergency power -- is also fitted in the wing root fairing. Interior Economy class cabin of Etihad Airways 777 - 300ER in a 3 - 3 - 3 layout The original 777 interior, also known as the Boeing Signature Interior, features curved panels, larger overhead bins, and indirect lighting. Seating options range from four to six abreast in first class up to 10 across in economy. The 777 's windows were the largest of any current commercial airliner until the 787, and measure 15 - inch ( 380 mm ) by 10 - inch ( 250 mm ) in size ( all models outside the 777 - 8 and - 9 ). The cabin also features `` Flexibility Zones '', which entails deliberate placement of water, electrical, pneumatic, and other connection points throughout the interior space, allowing airlines to move seats, galleys, and lavatories quickly and more easily when adjusting cabin arrangements. Several aircraft have also been fitted with VIP interiors for non-airline use. Boeing designed a hydraulically damped toilet seat cover hinge that closes slowly. EVA Air 777 - 300ER business class in 1 - 2 - 1 herringbone layout In 2003, Boeing introduced overhead crew rests as an option on the 777. Located above the main cabin and connected via staircases, the forward flight crew rest contains two seats and two bunks, while the aft cabin crew rest features multiple bunks. The Signature Interior has since been adapted for other Boeing wide - body and narrow - body aircraft, including 737NG, 747 - 400, 757 - 300, and newer 767 models, including all 767 - 400ER models. The 747 - 8 and 767 - 400ER have also adopted the larger, more rounded windows of the original 777. In 2011, Flight International reported that Boeing is considering replacing the Signature Interior on the 777 with a new interior similar to that on the 787, as part of a move towards a `` common cabin experience '' across all Boeing platforms. With the launch of the 777X in 2013, Boeing confirmed that the aircraft would be receiving a new interior featuring 787 cabin elements and larger windows. Further details released in 2014 included re-sculpted cabin sidewalls for greater interior room, noise - dampening technology, and higher cabin humidity. Variants Boeing uses two characteristics -- fuselage length and range -- to define its 777 models. Fuselage length affects the number of passengers and amount of cargo that can be carried ; the 777 - 200 and derivatives are the base size, and the aircraft was stretched into the 777 - 300 in 1998. In terms of range, the aircraft has been categorized into three segments based on design criteria. The A-market would cover domestic and regional operations, the B - market would cover routes from Europe to the US West coast and the C - market the longest transpacific routes. These were initially defined as the following : A-market : up to 4,200 nautical miles ( 7,800 km ) B - market : 6,600 nautical miles ( 12,200 km ) C - market : 7,800 nautical miles ( 14,400 km ) When referring to different variants, Boeing and airlines often collapse the model number ( 777 ) and the variant designator ( - 200 or - 300 ) into a truncated form ( e.g., `` 772 '' or `` 773 '' ). The International Civil Aviation Organization ( ICAO ) aircraft type designator system adds a preceding manufacturer letter ( e.g., `` B772 '' or `` B773 '' ). Subsequent to the capacity number, designations may or may not append the range identifier ( e.g., 777 - 300ER as `` 773ER '', `` 773B '', `` 77W '', or `` B77W '' ). These notations may be found in aircraft manuals or airline timetables. 777 - 200 A 777 - 200 in Boeing 's original livery. Note the tail logos of the aircraft 's firm customers beneath the windows The 777 - 200 was the initial A-market model. The first - 200 was delivered to United Airlines on May 15, 1995. With a maximum range of 5,240 nautical miles ( 9,700 km ), the - 200 was chiefly aimed at U.S. domestic airline operators. Nine different - 200 customers have taken delivery of 88 aircraft, with 62 in airline service as of July 2017. The competing aircraft from Airbus is the A330 - 300. 777 - 200ER El Al 777 - 200ER landing at London Heathrow Airport The 777 - 200ER ( `` ER '' for Extended Range ), the B - market version of the - 200, was originally known as the 777 - 200IGW ( increased gross weight ). The - 200ER has additional fuel capacity and an increased maximum takeoff weight ( MTOW ) over the - 200. Aimed at international airlines operating transatlantic routes, the - 200ER 's maximum range is 7,065 nautical miles ( 13,084 km ). In addition to breaking the eastbound great circle `` distance without landing '' record, the - 200ER also holds the record for the longest ETOPS - related emergency flight diversion ( 177 minutes under one engine ), on a United Airlines flight carrying 255 passengers on March 17, 2003, over the Pacific Ocean. The first - 200ER was delivered to British Airways on February 6, 1997. A British Airways 777 - 200ER flew the fastest subsonic New York to London flight at 5 hours and 16 minutes in January 2015 due to strong tail winds. Singapore Airlines, one of the variant 's largest customers, ordered over half of its - 200ERs with reduced engine thrust specifications ( de-rated ) for use on medium - length routes. The de-rated engines lower the MTOW, which reduces the aircraft 's purchase price and landing fees ; these aircraft can be re-rated to full - 200ER standard for long - haul operations. Total - 200ER deliveries to 33 different customers totalled 422, with no unfilled orders. As of July 2017, 354 examples of the - 200ER were in airline service. The competing aircraft from Airbus are the A340 - 300 and the A350 - 900, while Boeing 's own 787 - 9 is positioned as a successor. 777 - 200LR Pakistan International Airlines 777 - 200LR on approach to Toronto Pearson International Airport The 777 - 200LR ( `` LR '' for Longer Range ), the C - market model, entered service in 2006 as one of the longest - range commercial airliners. Boeing named it Worldliner as it can connect almost any two airports in the world, although it is subject to ETOPS restrictions. It holds the world record for the longest nonstop flight by a commercial airliner. It has a maximum design range of 8,555 nautical miles ( 15,844 km ) as of 2017. The - 200LR was intended for ultra long - haul routes such as Los Angeles to Singapore. Developed alongside the - 300ER, the - 200LR features an increased MTOW and three optional auxiliary fuel tanks in the rear cargo hold. Other new features include raked wingtips, redesigned main landing gear, and additional structural strengthening. As with the - 300ER and 777F, the - 200LR is equipped with wingtip extensions of 12.8 ft ( 3.90 m ). The - 200LR is powered by GE90 - 110B1 or GE90 - 115B turbofans. The first - 200LR was delivered to Pakistan International Airlines on February 26, 2006. Eleven different - 200LR customers took delivery of 59 aircraft, with no unfilled orders. Airlines operated 55 of the - 200LR variant as of July 2017. Delta Air Lines and Emirates are the largest operators of the LR variant, each operating 10 aircraft. The closest competing aircraft from Airbus are the discontinued A340 - 500HGW and the forthcoming A350 - 900ULR. 777 - 300 Emirates 777 - 300 in the 2006 FIFA World Cup livery on approach to London Heathrow Airport, England The stretched 777 - 300 was designed as an A-market replacement for 747 - 100s and 747 - 200s. Compared to the older 747s, the stretched 777 has comparable passenger capacity and range, but burns one - third less fuel and has 40 percent lower maintenance costs. The - 300 features a 33.3 ft ( 10.1 m ) fuselage stretch over the baseline - 200. This allows seating for up to 550 passengers in a single class high - density configuration, an arrangement adopted for heavily trafficked Japanese routes. Because of the aircraft 's length, the - 300 is equipped with a tailskid and ground maneuvering cameras to aid pilots during taxi. The maximum range is 6,030 nautical miles ( 11,170 km ), allowing the - 300 to operate trunk routes previously flown by older 747s. After being certified simultaneously by the FAA and JAA, the first - 300 was delivered to Cathay Pacific on May 21, 1998. Eight - 300 customers have taken delivery of 60 aircraft, 49 of which were in service as of July 2017. However, following the introduction of the longer - range - 300ER in 2004, operators have selected that variant instead. The - 300 has no direct Airbus rival, but the A340 - 600 was offered in competition. 777 - 300ER Qatar Airways 777 - 300ER landing at Frankfurt Airport The 777 - 300ER ( `` ER '' for Extended Range ) is the B - market version of the - 300. Its higher MTOW and increased fuel capacity permits a maximum range of 7,370 nautical miles ( 13,650 km ) with 396 passengers in a two - class seating arrangement. The 777 - 300ER features raked and extended wingtips, a strengthened fuselage and wings and a modified main landing gear. Its wings have an aspect ratio of 9.0. It is powered by the GE90 - 115B turbofan, the most powerful jet engine with a maximum thrust of 115,300 lbf ( 513 kN ). Following flight testing, aerodynamic refinements have reduced fuel burn by an additional 1.4 %. Since its launch, the - 300ER has been a primary driver of the twinjet 's sales past the rival A330 / 340 series. Its direct competitors have included the Airbus A340 - 600 and the A350 - 1000. Using two engines produces a typical operating cost advantage of around 8 -- 9 % for the - 300ER over the A340 - 600. Several airlines have acquired the - 300ER as a 747 - 400 replacement amid rising fuel prices given its 20 % fuel burn advantage. The - 300ER has a $44 per seat hour, compared to an Airbus A380 's roughly $50 per seat hour ( hourly cost is about $26,000 ), and $90 per seat hour for a Boeing 747 - 400 as of November 2015. The first - 300ER was delivered to Air France on April 29, 2004. The - 300ER is the best - selling 777 variant, having surpassed the - 200ER in orders in 2010 and deliveries in 2013. As of September 2017, - 300ER deliveries to 45 different customers totalled 758, with 71 unfilled orders. As of July 2017, 739 - 300ER aircraft were in service. 777 freighter The first 777 Freighter in Boeing livery during a test flight The 777 Freighter ( 777F ) is an all - cargo version of the twinjet, and shares features with the - 200LR ; these include its airframe, engines, and fuel capacity. With a maximum payload of 224,900 lb ( 102,000 kg ) ( similar to the 243,000 lb ( 110,000 kg ) of the 747 - 200F ), it has a range of 4,970 nmi ( 9,200 km ). Greater range is possible if less cargo weight is carried. As the aircraft promises improved operating economics compared to older freighters, airlines have viewed the 777F as a replacement for freighters such as the 747 - 200F, MD - 10, and MD - 11F. The first 777F was delivered to Air France on February 19, 2009. As of September 2017, 131 freighters had been delivered to 16 different customers, with 30 unfilled orders. Operators had 128 of the 777F in service as of July 2017. In the 2000s, Boeing began studying the conversion of 777 - 200ER and - 200 passenger airliners into freighters, under the name 777 BCF ( Boeing Converted Freighter ). The company has been in discussion with several airline customers, including FedEx Express, UPS Airlines, and GE Capital Aviation Services, to provide launch orders for a 777 BCF program. 777 - 8 and - 9 Main article : Boeing 777X The 777 - 8 and the larger 777 - 9, are the two variants which comprise the Boeing 777X program, launched in 2013. Both models incorporate a new carbon - fiber - reinforced polymer wing with folding wingtips, a wider, more comfortable redesigned cabin, and other upgraded systems. Service entry of the first 777X variant, the 777 - 9, is scheduled for 2020. Government and corporate Boeing 777 - 200LR BBJ. A Boeing 777 Worldliner in VIP configuration A Turkmenistan government Boeing 777 - 200LR in VIP configuration. Versions of the 777 have been acquired by government and private customers. The main purpose has been for VIP transport, including as an air transport for heads of state, although the aircraft has also been proposed for other military applications. 777 Business Jet ( 777 VIP ) -- the Boeing Business Jet version of the 777 that is sold to corporate customers. Boeing has received orders for 777 VIP aircraft based on the 777 - 200LR and 777 - 300ER passenger models. The aircraft are fitted with private jet cabins by third party contractors, and completion may take 3 years. 777 Tanker ( KC - 777 ) -- the KC - 777 is a proposed tanker version of the 777. In September 2006, Boeing announced that it would produce the KC - 777 if the United States Air Force ( USAF ) required a larger tanker than the KC - 767, able to transport more cargo or personnel. In April 2007, Boeing offered its 767 - based KC - 767 Advanced Tanker instead of the KC - 777 to replace the smaller Boeing KC - 135 Stratotanker under the USAF 's KC - X program. Boeing officials have described the KC - 777 as suitable for the related KC - Z program to replace the wide - body McDonnell Douglas KC - 10 Extender. In 2014, the Japanese government chose to procure two 777 - 300ERs to serve as the official air transport for the Emperor of Japan and Prime Minister of Japan. The aircraft, to be operated by the Japan Air Self - Defense Force under the callsign Japanese Air Force One, are scheduled to enter service in 2019 and replace two 747 - 400s. Besides VIP transport, the 777s are also intended for use in emergency relief missions. 777s have served as official government transports for nations including Gabon ( VIP - configured 777 - 200ER ), Turkmenistan ( VIP - configured 777 - 200LR ), and the United Arab Emirates ( VIP - configured 777 - 200ER and 777 - 300ER operated by Abu Dhabi Amiri Flight ). Prior to returning to power as Prime Minister of Lebanon, Rafic Hariri acquired a 777 - 200ER as an official transport. In 2014, the USAF examined the possibility of adopting modified 777 - 300ERs or 777 - 9Xs to replace the Boeing 747 - 200 aircraft used as Air Force One. Although the USAF had preferred a four engine aircraft, this was mainly due to precedent ( the existing aircraft were purchased when the 767 was just beginning to prove itself with ETOPS ; decades later, the 777 and other twin jets established a comparable level of performance as quad - jet aircraft ). Ultimately, the air force decided against the 777, and selected instead the Boeing 747 - 8 to become the next presidential aircraft. Operators Main article : List of Boeing 777 operators Boeing customers that have received the most 777s are Emirates, Singapore Airlines, United Airlines, ILFC, and American Airlines. Emirates is the largest airline operator as of July 2017, and is the only customer to have operated all 777 variants produced, including the - 200, - 200ER, - 200LR, - 300, - 300ER, and 777F. The 1,000 th 777 off the production line, a - 300ER set to be Emirates ' 102nd 777, was unveiled at a factory ceremony in March 2012. A total of 1,387 aircraft ( all variants ) were in airline service as of July 2017, with Emirates ( 161 ), United Airlines ( 88 ), Cathay Pacific ( 70 ), Air France ( 70 ), American Airlines ( 67 ), British Airways ( 58 ), Qatar Airways ( 55 ), Singapore Airlines ( 53 ), All Nippon Airways ( 52 ) and other operators with fewer aircraft of the type. In 2017, 777 Classics are towards the end of their mainline service : with a - 200 age ranging from three to 22 years, 43 Classic 777s or 7.5 % of the fleet have been retired. Values of 777 - 200ERs have declined by 45 % since January 2014, faster than Airbus A330s and Boeing 767s with 30 %, due to the lack of a major secondary market but only a few budget, air charters and ACMI operators. In 2015, Richard H. Anderson, then Delta Air Lines ' chairman and chief executive, said he had been offered 777 - 200s for less than $10 million. To keep them cost efficient, operators densifies their 777s for about $10 million each, like Scoot with 402 seats in its dual - class - 200s, or Cathay Pacific which switched the 3 - 3 - 3 economy layout of 777 - 300s to 3 - 4 - 3 to seat 396 on regional services. Orders and deliveries Main article : List of Boeing 777 orders and deliveries Boeing 777 orders and deliveries by type view talk Total orders Total deliveries 777 - 200 88 88 777 - 200ER 422 422 777 - 200LR 59 59 777 - 300 60 60 777 - 300ER 829 758 777F 161 131 777X 326 -- Total 1,945 1,518 Orders and deliveries through September 30, 2017 Boeing 777 orders and deliveries by year 1990 - 94 1995 1998 1999 2000 2002 2003 2005 2006 2007 2008 2009 2011 2012 2013 2014 2015 2016 2017 Total Orders ( all variants ) 112 101 68 54 68 35 116 30 32 13 42 153 76 110 39 30 75 194 75 121 283 58 17 43 1,945 Deliveries 777 - 200 -- 13 32 11 10 9 -- -- -- -- -- -- -- -- -- -- -- -- 88 777 - 200ER -- -- -- 48 50 63 42 55 41 29 22 13 23 19 -- -- -- -- -- 422 777 - 200LR -- -- -- -- -- -- -- -- -- -- -- -- 10 11 16 9 6 -- -- -- 59 777 - 300 -- -- -- -- 14 17 6 9 -- -- -- -- -- -- -- -- -- -- -- 60 777 - 300ER -- -- -- -- -- -- -- -- -- -- 10 20 39 53 47 52 40 52 60 79 83 79 88 56 758 777F -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 16 22 15 19 14 13 19 11 131 777X -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Deliveries ( all variants ) -- 13 32 59 74 83 55 61 47 39 36 40 65 83 61 88 74 73 83 98 99 98 99 58 1,518 Orders and deliveries through September 30, 2017 Boeing 777 orders and deliveries ( cumulative, by year ) : Orders Deliveries Orders and deliveries through September 30, 2017 Model variants by ICAO code ICAO designation Model series B772 777 - 200 777 - 200ER B77L 777 - 200LR 777F B773 777 - 300 B77W 777 - 300ER Accidents and incidents Laboratory replication of ice crystals clogging the fuel - oil heat exchanger on a Rolls - Royce Trent 800 engine, from the Air Accidents Investigation Branch ( AAIB ) report on the British Airways Flight 38 ( BA38 ) and Delta Air Lines Flight 18 ( DL18 ) incidents As of February 2017, the 777 has been involved in nineteen aviation accidents and incidents, including a total of six hull - losses -- at least one due to a criminal act -- resulting in 541 fatalities ; and three hijackings. The first fatality involving the twinjet occurred in a fire while an aircraft was being refueled at Denver International Airport in the United States on September 5, 2001, during which a ground worker sustained fatal burns. The aircraft, operated by British Airways, suffered fire damage to the lower wing panels and engine housing ; it was later repaired and returned to service. The type 's first hull - loss occurred on January 17, 2008, when a 777 - 200ER with Rolls - Royce Trent 895 engines, flying from Beijing to London as British Airways Flight 38, crash - landed approximately 1,000 feet ( 300 m ) short of Heathrow Airport 's runway 27L and slid onto the runway 's threshold. There were 47 injuries and no fatalities. The impact damaged the landing gear, wing roots and engines. The aircraft was written off. The accident was attributed to ice crystals suspended in the aircraft 's fuel clogging the fuel - oil heat exchanger ( FOHE ). Two other minor momentary losses of thrust with Trent 895 engines occurred later in 2008. Investigators found these were also caused by ice in the fuel clogging the FOHE. As a result, the heat exchanger was redesigned. On July 29, 2011, a 777 - 200ER scheduled to operate as EgyptAir Flight 667, suffered a cockpit fire while parked at the gate at Cairo International Airport before its departure. The aircraft was evacuated with no injuries, and airport fire teams extinguished the fire. The aircraft sustained structural -, heat - and smoke damage, and was written off. Investigators focused on a possible short circuit between an electrical cable and a supply hose in the cockpit crew oxygen system. On July 6, 2013, a 777 - 200ER operating as Asiana Airlines Flight 214, crashed while landing at San Francisco International Airport after touching down short of the runway. The 307 surviving passengers and crew on board evacuated before fire destroyed the aircraft. Two passengers, who had not been wearing their seatbelts, were ejected from the aircraft during the crash and were killed. A third passenger died six days later as a result of injuries sustained during the crash. These were the first fatalities in a crash involving a 777 since its entry into service in 1995. The official accident investigation concluded in June 2014 that the pilots committed 20 to 30 minor to significant errors in their final approach, and that complexities of the automated controls contributed to the accident. On March 8, 2014, a 777 - 200ER carrying 227 passengers and 12 crew, en route from Kuala Lumpur to Beijing as Malaysia Airlines Flight 370, was reported missing. Air Traffic Control 's last reported coordinates for the aircraft were over the South China Sea at 6 ° 55 ′ 15 '' N 103 ° 34 ′ 43 '' E ﻿ / ﻿ 6.92083 ° N 103.57861 ° E ﻿ / 6.92083 ; 103.57861. After the search for the aircraft began, Malaysia 's prime minister announced on March 24, 2014 that after analysis of new satellite data it was now to be assumed `` beyond reasonable doubt '' that the aircraft had crashed in the Indian Ocean and there were no survivors. As of August 2016, the cause remains unknown, but the Malaysian Government declared it was an accident in January 2015. On July 29, 2015, an item later identified as a flaperon from the missing aircraft was found on the island of Réunion in the western Indian Ocean. The fifth hull loss occurred on July 17, 2014, when a 777 - 200ER, bound for Kuala Lumpur from Amsterdam as Malaysia Airlines Flight 17, broke up in mid-air and crashed in the Donetsk province in eastern Ukraine, after being hit by an anti-aircraft missile. All 298 people ( 283 passengers and 15 crew ) on board were killed. The incident was linked to the ongoing Donbass insurgency in the region. The official accident report, released in October 2015, states that airliner was brought down by a Buk missile launched from territory held by pro-Russian separatists. On September 8, 2015, a 777 - 200ER caught fire during its take - off at Las Vegas McCarran International Airport as British Airways Flight 2276, after one of its General Electric GE90 - 85B engines suffered a serious uncontained engine failure. The take - off was aborted and all crew and passengers were evacuated with only minor injuries occurring. Investigators discovered that debris from inside the engine had punctured ' multiple ' holes in the engine case. On May 27, 2016, an engine caught fire on a 777 - 300 before it was due to take off as Korean Air Flight 2708 at Tokyo International Airport, commonly known as Haneda Airport. Shortly before take - off, the Number 1 Pratt & Whitney PW4000 engine caught fire. All 17 crew members and 302 passengers evacuated safely. Fire fighters put out the fire within an hour. The incident is under investigation. On June 27, 2016, a 777 - 300ER suffered an oil leak in the right engine while en route from Singapore to Milan as Singapore Airlines Flight 368. It was diverted back to Singapore Changi Airport for an emergency landing. The right engine and wing caught fire during the landing roll and sustained serious fire damage. There were no injuries. On August 3, 2016, the sixth hull - loss of the type occurred, when a 777 - 300 crashed while landing and caught fire at Dubai Airport at the end of its flight as Emirates Flight 521. The preliminary investigation indicated that the aircraft was attempting a landing during active wind shear conditions. The pilots initiated a go - around procedure shortly after the main wheels touched - down onto the runway, however the aircraft settled back onto the ground apparently due to late throttle application. As the undercarriage was in the process of being retracted, the aircraft landed on its rear underbody and engine nacelles, resulting in the separation of one engine, loss of control and subsequent crash. There were no passenger casualties of the 300 people on board, however one airport fireman was killed fighting the fire. The aircraft 's fuselage and right wing were badly damaged by the fire. Specifications Boeing 777 specifications Model 777 - 200 777 - 200ER 777 - 200LR 777F 777 - 300 777 - 300ER Cockpit crew Two 3 - class 305 ( 24F / 54J / 227Y ) 301 ( 16F / 58J / 227Y ) 368 ( 30F / 84J / 254Y ) 365 ( 22F / 70J / 273Y ) 2 - class / capacity 313 317 224,900 lb / 102,010 kg 396 Exit limit 440 11 550 Length 209 ft 1 in / 63.73 m 242 ft 4 in / 73.86 m Wingspan 199 ft 11 in / 60.93 m 212 ft 7 in / 64.80 m 199 ft 11 in / 60.93 m 212 ft 7 in / 64.80 m Wing sweep 31.6 ° Wing area 4,605 sq ft ( 427.8 m ) 4,702 sq ft ( 436.8 m ) 4,605 sq ft ( 427.8 m ) 4,702 sq ft ( 436.8 m ) Aspect ratio 8.68 9.04 8.68 9.04 Tail height 60 ft 9 in / 18.5 m 61 ft 1 in / 18.6 m 60 ft 8 in / 18.5 m Cabin width 230 in / 5.84 m Seat width 18.5 in / 47 cm at 9 abreast, 17 in / 43 cm at 10 abreast Fuselage width 20 ft 4 in / 6.20 m Maximum cargo capacity 5,330 ft3 / 150.9 m3 23,051 ft3 / 652.7 m3 7,120 ft3 / 201.6 m3 Maximum takeoff weight ( MTOW ) 545,000 lb / 247,200 kg 656,000 lb / 297,550 kg 766,000 lb / 347,452 kg 766,800 lb / 347,815 kg 660,000 lb / 299,370 kg 775,000 lb / 351,533 kg Max. landing weight 445,000 lb / 201,840 kg 470,000 lb / 213,180 kg 492,000 lb / 223,168 kg 575,000 lb / 260,816 kg 524,000 lb / 237,680 kg 554,000 lb / 251,290 kg Operating empty weight 299,550 lb / 135,850 kg 304,500 lb / 138,100 kg 320,000 lb / 145,150 kg 318,300 lb / 144,379 kg 353,800 lb / 160,530 kg 370,000 lb / 167,829 kg Fuel capacity 31,000 US gal / 117,340 L / 207,700 lb / 94,240 kg 45,220 US gal / 171,171 L / 302,270 lb / 137,460 kg 47,890 US gal / 181,283 L / 320,863 lb / 145,538 kg 45,220 US gal / 171,171 L / 302,270 lb / 137,460 kg 47,890 US gal / 181,283 L / 320,863 lb / 145,538 kg Service ceiling 43,100 ft ( 13,100 m ) Cruise speed Mach 0.84 ( 892 km / h ; 554 mph ) Max. speed Mach 0.89 ( 945 km / h ; 587 mph ) Range 5,240 nmi / 9,700 km 7,065 nmi / 13,080 km 8,555 nmi / 15,840 km 4,970 nmi / 9,200 km 6,030 nmi / 11,165 km 7,370 nmi / 13,650 km Takeoff distance 8,000 ft 2,440 m 11,100 ft 3,380 m 9,200 ft 2,800 m 9,300 ft 2,830 m 10,600 ft 3,230 m 10,000 ft 3,050 m Turbofan ( × 2 ) PW 4077 RR 877 GE90 - 77B PW 4090 RR 895 GE90 - 94B GE90 - 110B1 GE90 - 115B1 PW 4098 RR 892 GE90 - 92B / - 94B GE90 - 115B1 Max thrust ( × 2 ) 77,200 lbf ( 343 kN ) 93,700 lbf ( 417 kN ) 115,300 lbf ( 513 kN ) 98,000 lbf ( 440 kN ) 115,300 lbf ( 513 kN ) For Boeing 777 - 8 and - 9 specifications, see Boeing 777X. Diagram of Boeing 777 variants with front, cross-section, side, and top views : 777 - 200ER on left, 777 - 300ER on right. See also Aviation portal USA portal Competition between Airbus and Boeing Related development Boeing 7J7 Boeing 777X Aircraft of comparable role, configuration and era Airbus A330 / Airbus A330neo Airbus A340 Airbus A350 XWB Boeing 767 Boeing 787 Dreamliner Ilyushin Il - 96 McDonnell Douglas MD - 11 Related lists List of Boeing 777 operators List of Boeing 777 orders and deliveries List of Boeing customer codes List of jet airliners List of civil aircraft References Footnotes Jump up ^ 305 passengers, Trents Jump up ^ 313 passengers Jump up ^ 317 passengers Jump up ^ 102,010 kg / 224,900 lb Jump up ^ 368 passengers, GE90 Jump up ^ 396 passengers Jump up ^ MTOW, sea level, ISA Citations ^ Jump up to : `` Boeing 777 : Orders and Deliveries ( updated monthly ) ''. The Boeing Company. September 30, 2017. 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Flightglobal 's online database lists this aircraft as a 777 - 200ER powered by GE Aviation GE90 - 85B engines... Jump up ^ 19 injured as Boeing 777 engine catches fire in Tokyo, plane evacuated KOMO Jump up ^ Hundreds Evacuate Korean Air Jet After Engine Catches Fire ABC News Jump up ^ Korean Air evacuates plane at Japan 's Haneda Airport after engine fire Reuters Jump up ^ Park, Kyunghee ( June 27, 2016 ). `` Engine catches fire on Singapore Air flight to Milan ''. Financial Review. Bloomberg. Retrieved June 27, 2016. Jump up ^ Waldron, Greg ( June 27, 2016 ). `` Fire damage apparent on SIA 777 wing ''. Flight Global. Retrieved June 27, 2016. ^ Jump up to : `` Emirates flight from Trivandrum crash - lands in Dubai, passengers safe ''. Deccan Chronicle. 3 August 2016. Retrieved 3 August 2016. Jump up ^ `` Preliminary Report AIFN / 0008 / 2016 '' ( PDF ). Gcaa.gov.ae. GCAA. Retrieved 7 September 2016. Jump up ^ `` Images Of The Emirates Plane That Burst Into Flames In Dubai ''. NDTV. 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Frawley, Gerard ( 2003 ). The International Directory of Civil Aircraft 2003 / 2004. London : Aerospace Publications. ISBN 1 - 875671 - 58 - 7. Glenday, Craig ( 2007 ). Guinness World Records. London / New York : HiT Entertainment. ISBN 978 - 0 - 9735514 - 4 - 0. Newhouse, John ( 2008 ). Boeing versus Airbus : The Inside Story of the Greatest International Competition in Business. London : Vintage. ISBN 1 - 4000 - 7872 - 5. Norris, Guy ; Wagner, Mark ( 1996 ). Boeing 777. St. Paul, Minnesota : Motorbooks International. ISBN 0 - 7603 - 0091 - 7. Norris, Guy ; Wagner, Mark ( 2001 ). Boeing 777 : The Technological Marvel. Minneapolis, Minnesota : Zenith Imprint. ISBN 0 - 7603 - 0890 - X. Norris, Guy ; Wagner, Mark ( 2009 ). Boeing 787 Dreamliner. Osceola, Wisconsin : Zenith Press. ISBN 978 - 0 - 7603 - 2815 - 6. Norris, Guy ; Wagner, Mark ( 1999 ). Modern Boeing Jetliners. Minneapolis, Minnesota : Zenith Imprint. ISBN 0 - 7603 - 0717 - 2. Sabbagh, Karl ( 1995 ). 21st Century Jet : The Making of the Boeing 777. New York : Scribner. ISBN 0 - 333 - 59803 - 2. Wells, Alexander T. ; Rodrigues, Clarence C. ( 2004 ). Commercial Aviation Safety. New York : McGraw - Hill Professional. ISBN 0 - 07 - 141742 - 7. Yenne, Bill ( 2002 ). Inside Boeing : Building the 777. Minneapolis, Minnesota : Zenith Press. ISBN 0 - 7603 - 1251 - 6. External links Wikimedia Commons has media related to Boeing 777. Boeing 777 Family page on Boeing.com Boeing airliners Piston - engined 40A 80 221 247 307 314 377 Jet - engined 367 - 80 707 / 720 717 727 737 737 Classic 737 NG 737 MAX 747 747SP 747 - 400 747 - 8 757 767 777 787 Boeing Business Jet In development 777X Proposed Y1 Y3 New Midsize Airplane Not developed 2707 7J7 New Large Airplane Sonic Cruiser Boeing 7x7 aircraft production timeline, 1955 -- present 1950s 1960s 1970s 1980s 1990s 2000s 2010s 5 6 7 8 9 0 5 6 7 8 9 0 5 6 7 8 9 0 5 6 7 8 9 0 5 6 7 8 9 0 5 6 7 8 9 0 5 6 7 8 9 Boeing 707 Boeing 720 Boeing 717 ( MD - 95 ) Boeing 727 Boeing 737 Original Boeing 737 Classic Boeing 737 NG 737 MAX Boeing 747 ( Boeing 747SP ) Boeing 747 - 400 747 - 8 Boeing 757 Boeing 767 Boeing 777 777X Boeing 787 = Narrow - body = Wide - body * Overlapping production times like between the 747 - 400 and the 747 - 8 have been decided in favor of newer models Boeing model numbers Aircraft 5 6 6D 6E 7 8 10 15 16 21 40 42 50 53 54 55 58 63 64 66 67 68 69 72 74 75 77 80 81 83 89 93 95 96 99 100 101 102 200 202 203 204 205 214 215 218 221 222 223 226 227 234 235 236 246 247 248 251 256 264 266 267 273 280 281 294 299 300 306 307 314 316 344 345 367 367 - 80 377 400 450 451 464 466 474 479 701 818 953 707 717 ( i ) 717 ( ii ) 720 727 733 737 739 747 757 767 777 787 2707 Turbine engines 500 502 520 550 Vessels 929 Other Boeing Customer Codes GND : 4427377 - 0 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Boeing_777&oldid=804766991 '' Categories : Boeing 777 United States airliners 1990 -- 1999 Twinjets Boeing aircraft Low - wing aircraft Aircraft first flown in 1994 Hidden categories : Pages containing links to subscription - only content CS1 maint : BOT : original - url status unknown Wikipedia semi-protected pages Articles containing potentially dated statements from 2017 All articles containing potentially dated statements Articles containing potentially dated statements from July 2017 Articles containing potentially dated statements from August 2016 Featured articles Use mdy dates from October 2014 Wikipedia articles with GND identifiers Talk Variants View source Contents About Wikipedia Afrikaans تۆرکجه বাংলা Bosanski Català Čeština Dansk Deutsch Eesti Español Esperanto Euskara فارسی Français Galego 客家 語 / Hak - kâ - ngî 한국어 Հայերեն हिन्दी Hrvatski Bahasa Indonesia Íslenska Italiano עברית Basa Jawa ಕನ್ನಡ Қазақша Latviešu Lietuvių Limburgs Magyar Македонски मराठी Bahasa Melayu မြန်မာဘာသာ Nederlands 日本 語 Norsk Occitan پنجابی Polski Português Română Русский Scots Sesotho sa Leboa Simple English Slovenčina Slovenščina Српски / srpski Srpskohrvatski / српскохрватски Suomi Svenska தமிழ் Татарча / tatarça తెలుగు ไทย Türkçe Türkmençe Українська Tiếng Việt 粵語 中文 Edit links This page was last edited on 11 October 2017, at 01 : 00. 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Question: what is the range of a boeing 777
Answer: 5,240 to 8,555 nautical miles