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Encyclopedia > Boeing 737

Updated 34 days 1 minutes ago.
Boeing 737

707 · 717 · 727 · 737 · 747 · 757 · 767 · 777 · 787 The Boeing 707 is an American four-engine commercial passenger jet airliner developed by Boeing in the early 1950s. ... The Boeing 717 is a twin-engine, single-aisle jet airliner, developed for the 100-seat market. ... The Boeing 727 is a mid-size, narrow-body, three-engine commercial jet airliner. ... The Boeing 747, sometimes nicknamed the Jumbo Jet,[4][5] is a long-haul, widebody commercial airliner manufactured by Boeing in the United States. ... The Boeing 757 is an American short to medium range commercial passenger aircraft manufactured by Boeing Commercial Airplanes. ... American Airlines Boeing 767-300 at Gatwick Airport, England. ... The Boeing 777 is an American long-range wide-body twin-engine airliner built by Boeing Commercial Airplanes. ... The Boeing 787 Dreamliner is a mid-sized, wide-body, twin engine jet airliner currently in production by Boeing Commercial Airplanes and scheduled to enter service in November 2008. ...

Air Berlin Boeing 737-700 in a hybrid Boeing and Air Berlin livery. Image File history File links Download high-resolution version (1095x730, 154 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Boeing 737 ... Air Berlin (FSE: AB1) is Germanys second largest airline after Lufthansa. ...

Type Airliner
National origin United States
Manufacturer Boeing Commercial Airplanes
Maiden flight 9 April 1967
Introduction 10 February 1968 with Lufthansa
Status Active
Primary users Southwest Airlines
Continental Airlines
Ryanair
Qantas
Produced 1968 - Present
Number built 5,626
Unit cost 737-100 US$3.2 million[1]

737 NG US$49.5-85 million[2] An Airbus A340 airliner operated by Air Jamaica An airliner is a large fixed-wing aircraft with the primary function of transporting paying passengers. ... An aerospace manufacturer is a company or individual involved in the various aspects of designing, building, testing, selling, and maintaining aircraft, aircraft parts, missiles, rockets, and/or spacecraft. ... Boeing Commercial Airplanes, based in Renton, Washington, is a unit of The Boeing Company, consisting of the Seattle-based former Boeing Airplane Company (the civil airliner division), as well as the Long Beach-based Douglas Aircraft division of the former McDonnell Douglas Corporation. ... The Maiden flight of an aircraft is the first occasion on which an aircraft leaves the ground of its own accord. ... is the 99th day of the year (100th in leap years) in the Gregorian calendar. ... Year 1967 (MCMLXVII) was a common year starting on Sunday (link will display full calendar) of the 1967 Gregorian calendar. ... is the 41st day of the year in the Gregorian calendar. ... Year 1968 (MCMLXVIII) was a leap year starting on Monday (link will display full calendar) of the Gregorian calendar. ... Deutsche Lufthansa AG (ISIN: DE0008232125) (pronounced ) is the largest airline in Europe in terms of overall passengers carried (second is Air France - KLM), and the flag carrier of Germany. ... This article is about the American airline. ... Continental Airlines (NYSE: CAL) is a U.S. certificated air carrier. ... Ryanair (ISEQ: RYA, LSE: RYA, NASDAQ: RYAAY) is an Irish airline headquartered in Dublin, with its biggest operational base at London Stansted Airport in the UK. It is Europes largest low-cost carrier and is one of the worlds largest and most successful airlines (whether in terms of... Qantas Airways Limited (IPA: ) is the national airline of Australia. ... Year 1968 (MCMLXVIII) was a leap year starting on Monday (link will display full calendar) of the Gregorian calendar. ...

Variants Boeing 737 Classic
Boeing Business Jet
T-43
737 AEW&C
C-40 Clipper
P-8 Poseidon

The Boeing 737 is a short to medium range, single aisle, narrow body jet airliner. Developed from Boeing's 727 and 707, the 737 has nine variants, from the early -100 to the most recent and largest, the -900. Currently series -600 through -900 are being produced. The Boeing Business Jet series are factory conversions of Boeing airliners for the corporate jet market, initially the 737 series airliners. ... The Boeing T-43A is a modified Boeing 737-200 used by the US Air Force. ... The Boeing 737 AEW&C is an Airborne Early Warning & Control aircraft. ... A C-40B VIP transport taking off. ... The P-8A Poseidon (formerly the Multimission Maritime Aircraft or MMA) is intended to search for and destroy submarines, conduct shipping interdiction, and also possibly engage in an electronic intelligence (ELINT) role. ... This Southwest Airlines Boeing 737 is an example of a narrow-body passenger cabin. ... An Airbus A340 airliner operated by Air Jamaica An airliner is a large fixed-wing aircraft with the primary function of transporting paying passengers. ... The Boeing 727 is a mid-size, narrow-body, three-engine commercial jet airliner. ... The Boeing 707 is an American four-engine commercial passenger jet airliner developed by Boeing in the early 1950s. ...


First envisioned in 1964, the 737 entered service in 1968, and 25 years after the announcement of its first sale it has become the most ordered and produced commercial passenger jet in the world. Continuously manufactured by Boeing since 1967 with over 7,000 ordered and over 5,000 delivered (as of 2007), there are over 1,250 of the type airborne at any given time.[3] On average, a 737 departs or lands somewhere every five seconds.[4] The Boeing Company (NYSE: BA, TYO: 7661) is a major aerospace and defense corporation, originally founded by William Edward Boeing. ...

Contents

[edit] Development

[edit] Origins

Boeing had been studying short-haul jet aircraft designs and wanted to produce another aircraft to supplement the 727 on short and thin routes.[5] Preliminary design work began on 11 May 1964,[6] and Boeing's intense market research yielded plans for a 50 to 60 passenger plane for routes 50 to 1,000 mi (80 to 1,609 km) long.[7][5] Lufthansa became the launch customer on 19 February 1965,[8] with an order of 21 aircraft, worth $67 million[9] (1965, $190.28 million in 2008), after the airline reportedly received assurances from Boeing that the 737 project would not be cancelled.[10] Consultation with Lufthansa over the previous winter resulted in an increase in capacity to 100 seats.[8] The Boeing 727 is a mid-size, narrow-body, three-engine commercial jet airliner. ... is the 131st day of the year (132nd in leap years) in the Gregorian calendar. ... Also Nintendo emulator: 1964 (emulator). ... Deutsche Lufthansa AG (ISIN: DE0008232125) (pronounced ) is the largest airline in Europe in terms of overall passengers carried (second is Air France - KLM), and the flag carrier of Germany. ... [[Media:Italic text]]{| style=float:right; |- | |- | |} is the 50th day of the year in the Gregorian calendar. ... Year 1965 (MCMLXV) was a common year starting on Friday (link will display full calendar) of the 1965 Gregorian calendar. ...


On 5 April 1965, Boeing announced an order by United Airlines for 40 737s. They wanted a larger airplane; therefore, Boeing stretched the fuselage an extra 91 cm (36 in) ahead of, and 102 cm (40 in) behind the wing.[11] The longer version was labeled 737-200, and the original now given the designation 737-100.[12] is the 95th day of the year (96th in leap years) in the Gregorian calendar. ... Year 1965 (MCMLXV) was a common year starting on Friday (link will display full calendar) of the 1965 Gregorian calendar. ... United Airlines is a major airline of the United States. ...

The prototype 737, a -100 operated by NASA for testing.
The prototype 737, a -100 operated by NASA for testing.

Detailed design work continued on both variants at the same time. Boeing was far behind its competitors when the 737 was launched, as rival aircraft BAC 1-11, Douglas DC-9, and Fokker F28[9] were already into flight certification. To expedite development, Boeing reused 60% of the structure and systems of the existing 727, most notably the fuselage cross section. This fuselage permitted six-abreast seating compared to the rival 1-11 and DC-9's five-abreast layout,[8] but the widened cross-section and short fuselage complicated the aerodynamics of the aft-mounted engines common with airliners of the time. As a result, engineers decided to mount the nacelles directly to the underside of the wings. The placement of this weight below the center of the aircraft also reduced stresses on the airframe, which allowed for a lighter wing,[13] and kept the aircraft low to the ground for easy ramp operations.[14] The engine chosen was the Pratt & Whitney JT8D-1 low-bypass ratio turbofan engine.[15] With the wing-mounted engines, Boeing decided to mount the elevator on the fuselage rather than the T-tail style of the Boeing 727.[11] Image File history File links NASA_TEST_737-100. ... Image File history File links NASA_TEST_737-100. ... For other uses, see NASA (disambiguation). ... The British Aircraft Corporation One-Eleven, also known as the BAC 1-11, the BAC-111 or the BAC-1-11, was a British short-range jet airliner of the 1960s and 1970s. ... The McDonnell Douglas DC-9 (initially known as the Douglas DC-9) is a twin-engine, single-aisle jet airliner. ... The Fokker F28 Fellowship is a short range jet airliner designed and built by Dutch aircraft manufacturer, Fokker. ... Pratt & Whitney is an American aircraft engine manufacturer whose products are widely used in both civil and military aircraft. ... This section does not cite its references or sources. ... For other meanings of elevator see Elevator (disambiguation). ... In aircraft a T-tail is an arrangement of the tail control surfaces with the horizontal surfaces (tailplane and elevators) mounted to the top of the fin, rather than the more common location on the fuselage at the base of the fin. ...

Boeing 737-200 Adv planform is shown on this USAF T-43 takeoff
Boeing 737-200 Adv planform is shown on this USAF T-43 takeoff

The initial assembly of the 737 was adjacent to Boeing Field (now officially called King County International Airport) because the factory in Renton was at capacity building the 707 and 727. After 271 aircraft, production was moved to Renton in late 1970.[10][16] A significant portion of the fuselage assembly is in Wichita, Kansas previously by Boeing but now by Spirit AeroSystems, which purchased some of Boeing's assets in Wichita.[17] The fuselage is joined with the wings and landing gear, then moves down the assembly line for the engines, avionics and interiors. After rolling out the aircraft Boeing tests the systems and engines before its maiden flight to Boeing Field, where it is painted and fine tuned before delivery to the customer.[18] A planform or plan view is a vertical orthographic projection of an object on a horizontal plane, like a map. ... The Boeing T-43 is a modified Boeing 737-200 used by the US Air Force. ... Boeing Field, officially King County International Airport (IATA: BFI, ICAO: KBFI) is a two-runway airport owned and run by King County, Washington. ... RNT redirects here. ...


The first of six -100 prototypes rolled out in December 1966, and made its maiden flight on 9 April 1967 piloted by Brien Wygle and Lew Wallick.[19] During nearly 1,300 hours of flight testing it was discovered that the aircraft produced excess drag at high speeds, which could buckle the rear wing spar at loads only 34% above normal. The aircraft were modified with reinforcements, but at a cost to the weight and short-field performance.[20] On 15 December 1967 the Federal Aviation Administration certified the -100 for commercial flight.[21] The 737 was the first aircraft to have, as part of its initial certification, approval for Category II approaches.[22] Lufthansa received their first aircraft on 28 December 1967 and on 10 February 1968 became the first non-American airline to launch a new Boeing aircraft.[21] Lufthansa was the only significant customer to purchase the 737-100 and only 30 aircraft were ever produced.[23] is the 99th day of the year (100th in leap years) in the Gregorian calendar. ... Year 1967 (MCMLXVII) was a common year starting on Sunday (link will display full calendar) of the 1967 Gregorian calendar. ... In an aircraft, the spar is the main structural member of the wing, running lengthways across the span of the wing, at right angles (or thereabouts) to the fuselage. ... is the 349th day of the year (350th in leap years) in the Gregorian calendar. ... Year 1967 (MCMLXVII) was a common year starting on Sunday (link will display full calendar) of the 1967 Gregorian calendar. ... FAA redirects here. ... An instrument approach is a type of air navigation that allows an aircraft to land in weather restricting visibility, or to reach visual conditions permitting a landing. ... is the 362nd day of the year (363rd in leap years) in the Gregorian calendar. ... Year 1967 (MCMLXVII) was a common year starting on Sunday (link will display full calendar) of the 1967 Gregorian calendar. ... is the 41st day of the year in the Gregorian calendar. ... Year 1968 (MCMLXVIII) was a leap year starting on Monday (link will display full calendar) of the Gregorian calendar. ... Deutsche Lufthansa AG (ISIN: DE0008232125) (pronounced ) is the largest airline in Europe in terms of overall passengers carried (second is Air France - KLM), and the flag carrier of Germany. ...


The 737-200 made its maiden flight on 8 August 1967. It was certified by the FAA on 21 December 1967,[24] and the inaugural flight for United was on 28 April 1968 from Chicago to Grand Rapids, Michigan.[21] The lengthened -200 was widely preferred over the -100 by airlines. is the 220th day of the year (221st in leap years) in the Gregorian calendar. ... Year 1967 (MCMLXVII) was a common year starting on Sunday (link will display full calendar) of the 1967 Gregorian calendar. ... is the 355th day of the year (356th in leap years) in the Gregorian calendar. ... Year 1967 (MCMLXVII) was a common year starting on Sunday (link will display full calendar) of the 1967 Gregorian calendar. ... is the 118th day of the year (119th in leap years) in the Gregorian calendar. ... Year 1968 (MCMLXVIII) was a leap year starting on Monday (link will display full calendar) of the Gregorian calendar. ... For other uses, see Chicago (disambiguation). ... Grand Rapids redirects here. ...

Extended thrust reversers on retrofitted 737-200
Extended thrust reversers on retrofitted 737-200

In 1968 an improvement to the thrust reversal system was introduced. The improvement became standard on all aircraft after March 1969, and a retrofit was provided for active aircraft. Boeing fixed the drag issue by introducing new longer nacelle/wing fairings, and improved the airflow over the flaps and slats. The production line also introduced an improvement to the flap system, allowing increased use during take-off and landing. All these changes gave the aircraft a boost to payload and range, and improved the short-field performance.[21] In May 1971, after aircraft #135, all improvements, including more powerful engines and a greater fuel capacity, were incorporated into the 737-200, giving it a 15% increase in payload and range over the original -200s.[22] This became known as the 737-200 Advanced, which became the production standard in June 1971. KLM Fokker 70 with reverse thrust applied. ...


In 1970, Boeing received only 37 orders. Facing financial difficulties, Boeing considered closing the 737 production line and selling the design to Japanese aviation companies.[10] After the cancellation of the Boeing Supersonic Transport, and the scaling back of 747 production, enough funds were freed up to continue the project.[25] In a bid to increase sales by offering a variety of options, Boeing offered a 737C (Convertible) model in both -100 and -200 lengths. This model featured a 340 x 221 cm (134 x 87 in) freight door just behind the cockpit, and a strengthened floor with rollers which allowed for palletized cargo. A 737QC (Quick Change) version with palletized seating allowed for faster configuration changes between cargo and passenger flights.[26] With the improved short-field capabilities of the 737, Boeing offered the option on the -200 of the gravel kit, which enables this aircraft to operate on remote, unpaved runways.[27][28] Until retiring its -200 fleet in 2007, Alaska Airlines used this option for some of its rural operations in Alaska. With the retirement of these aircraft, some airports, such as Red Dog Airport, have upgraded runway facilities from gravel to paved.[29][30] The Boeing 2707 was developed as the first American supersonic transport (SST). ... ULD Type AKH Unit Load Devices, or ULDs, are pallets and containers used to load luggage, freight, and mail on wide-body aircraft and specific narrow-body aircraft. ... Alaska Airlines, (NYSE: ALK) is an airline based in Seattle, Washington, United States. ... For other uses, see Alaska (disambiguation). ... Red Dog Airport (IATA: RDB, ICAO: PADG, FAA LID: DGG) is a private-use airport located at Red Dog Mine, in the U.S. state of Alaska. ...


In 1988 the initial production run of the -200 model ended after producing 1,114 aircraft. The last one was delivered to Xiamen Airlines on 08 August 1988.[31][32] Xiamen Airlines (simplified Chinese: 厦门航空; pinyin: Xiàmén Hángkōng) is the first airline company in Peoples Republic of China run by private individuals, established on July 25, 1984, and based in Xiamen Gaoqi International Airport. ... August 8 is the 220th day of the year in the Gregorian Calendar (221st in leap years), with 145 days remaining. ... Year 1988 (MCMLXXXVIII) was a leap year starting on Friday (link displays 1988 Gregorian calendar). ...


[edit] Newer variants

Main article: Boeing 737 Classic

Development began in 1979 for the 737's first major facelift. Boeing wanted to increase capacity and range, incorporating improvements to upgrade the plane to modern specifications, while also retaining commonality with previous 737 variants. In 1980 preliminary aircraft specifications of the variant, dubbed 737-300, were released at the Farnborough Air Show.[33] Farnborough 2006 Farnborough 2006 The Red Arrows in formation at Farnborough The Airbus A380, at Farnborough The Farnborough International Airshow is a seven-day international trade fair for the aerospace business which is held biannually in England. ...

Southwest Airlines popularized low-cost fares with all-economy seating
Southwest Airlines popularized low-cost fares with all-economy seating

The CFM56-3B-1 turbofan engine was chosen to power the aircraft, which yielded significant gains in fuel economy and a reduction in noise, but also posed an engineering challenge given the low ground clearance of the 737 and the larger diameter of the engine over the original Pratt and Whitney engines. Boeing and engine supplier CFMI solved the problem by placing the engine ahead of the wing, and by moving engine accessories to the sides of the engine pod, giving the engine a distinctive non-circular air intake.[34] Image File history File links Southwest_Airlines_Cabin. ... Image File history File links Southwest_Airlines_Cabin. ... This article is about the American airline. ... A Ryanair Boeing 737-800 A low-cost carrier or low-cost airline (also known as a no-frills or discount carrier / airline) is an airline that offers generally low fares in exchange for eliminating many traditional passenger services. ... CFM56-3 CFM56, front view CFM International CFM-56 series engines is a family of high-bypass turbofan engines made by CFM International and has a thrust range from 18,500 to 34,000 lbf (82 kN to 151 kN). ... Schematic diagram of high-bypass turbofan engine CFM56-3 turbofan, lower half, side view. ... Categories: Stub | Aircraft engine manufacturers | General Electric subsidiaries ...


The passenger capacity of the aircraft was increased to 149 by extending the fuselage around the wing by 2.87 m (9 ft 5 in). The wing incorporated a number of changes for improved aerodynamics. The wing tip was extended 9 in (23 cm), and the wing span by 1 ft 9 in (53 cm). The leading-edge slots and trailing-edge flaps were adjusted.[34] The flight deck was improved with the optional EFIS (Electronic Flight Instrumentation System), and the passenger cabin incorporated improvements similar to those developed on the Boeing 757.[35] The prototype -300, the 1,001st 737 built, first flew on 24 February 1984 with pilot Jim McRoberts.[35] It and two production aircraft flew a nine month long certification program.[36] The Boeing 757 is an American short to medium range commercial passenger aircraft manufactured by Boeing Commercial Airplanes. ... is the 55th day of the year in the Gregorian calendar. ... This article is about the year. ...


In June 1986 Boeing announced the development of the 737-400,[37] which stretched the fuselage a further 10 ft (3.45 m), increasing the passenger load to 170.[38] The -400s first flight was on 19 February 1988 and, after a seven-month/500-hour flight testing run, entered service with Piedmont Airlines that October.[39] [[Media:Italic text]]{| style=float:right; |- | |- | |} is the 50th day of the year in the Gregorian calendar. ... Year 1988 (MCMLXXXVIII) was a leap year starting on Friday (link displays 1988 Gregorian calendar). ... Piedmont Airlines is a regional airline operating for US Airways Express. ...


The -500 series was offered, due to customer demand, as a modern and direct replacement of the 737-200. It incorporated the improvements of the 737 Classic series; allowing longer routes with fewer passengers to be more economical than with the 737-300. The fuselage length of the -500 is 1 ft 7 in (47 cm) longer than the 737-200, accommodating up to 132 passengers. Both glass and older style mechanical cockpits arrangements were available.[40] Using the CFM56-3 engine also gave a 25% increase in fuel efficiency over the older -200s P&W engines.[40]


The 737-500 was launched in 1987 by Southwest Airlines, with an order for 20 aircraft,[41] and flew for the first time on 30 June 1989.[40] A single prototype flew 375 hours for the certification process,[40] and on 28 February 1990 Southwest Airlines received the first delivery.[42] The 737-500 has become a favorite of some Russian airlines, with Aeroflot-Nord, S7 Airlines, and Rossiya Airlines all buying second-hand models of the aircraft to replace aging Soviet-built aircraft. This article is about the American airline. ... is the 181st day of the year (182nd in leap years) in the Gregorian calendar. ... Year 1989 (MCMLXXXIX) was a common year starting on Sunday (link displays 1989 Gregorian calendar). ... is the 59th day of the year in the Gregorian calendar. ... This article is about the year. ... This article is about the American airline. ... Aeroflot-Nord is an airline based in Russia. ... S7 Airlines is an airline based in Ob, Russia. ... Rossiya Airlines (Rossiya State Transport Company) is an airline based in Moscow, Russia. ... State motto (Russian): Пролетарии всех стран, соединяйтесь! (Transliterated: Proletarii vsekh stran, soedinyaytes!) (Translated: Workers of the world, unite!) Capital Moscow Official language None; Russian (de facto) Government Federation of Soviet republics Area  - Total  - % water 1st before collapse 22,402,200 km² Approx. ...


After the introduction of the -600/700/800 series, the -300/400/500 series was called the 737 Classic series.

The cockpit of an early 737 An 737-800 modern cockpit.

Download high resolution version (1987x1486, 1035 KB) Wikipedia does not have an article with this exact name. ... Image File history File linksMetadata Atamdw251_1. ...

[edit] Next Generation

Prompted by the modern Airbus A320, in 1991 Boeing initiated development of an updated series of aircraft.[43] After working with potential customers, the 737 Next Generation (NG) program was announced on 17 November 1993.[44] The 737NG encompasses the -600, -700, -800 and -900, and is to date the most significant upgrade of the airframe. The performance of the 737NG is essentially that of a new airplane, but important commonality is retained from previous 737. The wing was modified, increasing its area by 25% and span by 16 ft (4.88 m), which increased the total fuel capacity by 30%. New quieter more fuel-efficient CFM56-7B engines were used.[45] All three improvements combined increases the 737s range by 900 nmi, now permitting transcontinental service.[44] A flight test program was operated by 10 aircraft; 3 -600s, 4 -700s, and 3 -800s.[44] The Airbus A320 family of short-to-medium range commercial passenger aircraft are manufactured by Airbus S.A.S.. Family members include the A318, A319, A320, and A321, as well as the ACJ business jet. ... 17 November is also the name of a Marxist group in Greece, coinciding with the anniversary of the Athens Polytechnic uprising. ... Year 1993 (MCMXCIII) was a common year starting on Friday (link will display full 1993 Gregorian calendar). ... CFM56-3 CFM56, front view CFM International CFM-56 series engines is a family of high-bypass turbofan engines made by CFM International and has a thrust range from 18,500 to 34,000 lbf (82 kN to 151 kN). ...


The first NG to roll out was a -700, on 8 December 1996. This aircraft, the 2,843rd 737 built, first flew on 9 February 1997 with pilots Mike Hewett and Ken Higgins. The prototype -800 rolled out on 30 June 1997 and first flew on 31 July 1997, again with Hewett and Jim McRoberts. The smallest of the new variants, the -600s is the same size as the -500, was the last in this series to launch, in December 1997. First flying 22 January 1998, it was given certification on 18 August 1998.[44][46] is the 342nd day of the year (343rd in leap years) in the Gregorian calendar. ... Year 1996 (MCMXCVI) was a leap year starting on Monday (link will display full 1996 Gregorian calendar). ... is the 40th day of the year in the Gregorian calendar. ... For the band, see 1997 (band). ... is the 181st day of the year (182nd in leap years) in the Gregorian calendar. ... For the band, see 1997 (band). ... is the 212th day of the year (213th in leap years) in the Gregorian calendar. ... For the band, see 1997 (band). ... is the 22nd day of the year in the Gregorian calendar. ... Year 1998 (MCMXCVIII) was a common year starting on Thursday (link will display full 1998 Gregorian calendar). ... is the 230th day of the year (231st in leap years) in the Gregorian calendar. ... Year 1998 (MCMXCVIII) was a common year starting on Thursday (link will display full 1998 Gregorian calendar). ...


In 2004, Boeing offered a Short Field Performance package in response to the needs of Gol Transportes Aéreos, who frequently operate from restricted airports. The enhancements improve takeoff and landing performance. The optional package is available for the 737NG models and standard equipment for the 737-900ER. Gol ticket counter at Brasilia International Airport Gol Transportes Aéreos is a low-cost airline based in São Paulo, Brazil. ...


On 21 August 2006, Sky News alleged that Boeing's Next Generation 737s built from 1994 to 2002 contained defective parts. The report stated that various parts of the airframe produced by Ducommun were found to be defective by Boeing employees but that Boeing refused to take action. Boeing said that the allegations were "without merit".[47] is the 233rd day of the year (234th in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... Sky News is a 24-hour British domestic and international television news channel that started broadcasting on 5 February 1989 as part of the then four-channel Sky Television service, as well as a hourly news radio service in the UK. Broadcast of a 24-hour radio service is due... Ducommun is a large manufacturing company. ...


Boeing has already hinted that a "clean sheet" replacement for the 737 (internally dubbed "Boeing Y1") could follow the Boeing 787. Y1 is a Boeing Commercial Airplanes project to replace the 717, 737, and 757-200 product lines. ... The Boeing 787 Dreamliner is a mid-sized, wide-body, twin engine jet airliner currently in production by Boeing Commercial Airplanes and scheduled to enter service in November 2008. ...


[edit] Design description

A Boeing 737-400 series of Garuda Indonesia showing the non-circular inlet
A Boeing 737-400 series of Garuda Indonesia showing the non-circular inlet

Engines on the 737 Classic series (300, 400, 500) and Next-Generation series (600, 700, 800, 900) appear not to have circular inlets, as most aircraft do. The accessory gearbox was moved from the 6 o'clock position under the engine to the 4 o'clock position (forward looking aft). This was done because the 737 sits lower to the ground than most airplanes and the original 737s were designed for small P&W engines, but additional ground clearance was needed for the larger CFM56 engines. This side-mounted gearbox gives the engine a somewhat triangular rounded shape. Boeing and CFM International, the engine manufacturer, claim that the shape actually yields slightly improved performance.[citation needed] The necessary nacelle redesign is known in the industry as "hamsterisation", because of the resemblance of the shape to the rodent. Because the engine is so close to the ground, 737-300s and later are more prone to engine foreign-object damage (FOD)[citation needed]. PT (Persero) Perusahaan Penerbangan Garuda Indonesia, abbreviated to Garuda Indonesia, is the national airline of Indonesia. ...


737s are not equipped with fuel dump systems. Depending upon the nature of the emergency, 737s either circle to burn off fuel or land overweight. Also, the 737 has no full doors covering the main landing gear. The main landing gear (under the wings at mid-cabin) rotate into wells in the plane's belly, the legs being covered by partial doors, and "brush-like" seals aerodynamically smooth (or "fair") the wheels in the wells. The sides of the tires are exposed to the air in flight. "Hub caps" complete the aerodynamic profile of the wheels. It is forbidden to operate without the caps, because they are links to the ground speed sensor that interfaces with the anti-skid brake system. When observing a 737 take off, or at low altitude, the dark circles of the tires can be plainly seen. Boeing states that this design saves weight and reduces complexity. To meet Wikipedias quality standards, this article or section may require cleanup. ...


Most 737 cockpits are equipped with "eyebrow windows" positioned above the main glareshield. Eyebrow windows were a feature of the original 707. They allowed for greater visibility in turns, and offered better sky views if navigating by stars. With modern avionics, they became redundant, and many pilots actually placed newspapers or other objects in them to block out sun glare. They were eliminated from the 737 cockpit design in 2004, although they are still installed in military variants and at customer request. These windows are sometimes removed and plugged, usually during maintenance overhauls and can be distinguished by a metal plug which differs from smooth metal which appears in later aircraft that were not originally fitted with the windows.


Blended winglets are available as retrofits and in production on newer 737 aircraft. These winglets stand approximately 8 feet tall and are installed at the wing tips. They help with reduced fuel burn (by reducing vortex drag), reduced engine wear, and less noise on takeoff. A winglet is a device used to improve the efficiency of aircraft by lowering the lift-induced drag caused by wingtip vortices. ... Vortex created by the passage of an aircraft wing, revealed by coloured smoke A vortex (pl. ...


A short-field design package is available for the 737-600, -700 and -800, allowing operators to fly increased payload to and from airports with runways under 5,000 feet. The package consists of sealed leading-edge slats (improved lift), a two-position tail skid (enabling reduced approach speeds) and increased flight spoiler deflection on the ground. These improvements are standard on the 737-900ER.[48] Slats are small aerodynamic surfaces on the leading edge of an airplane wing which, when deployed, allow the wing to operate at a higher angle of attack. ...


[edit] Variants

The 737 models can be divided into three generations, including nine major variants. The "Original" models consist of the 737-100, 737-200/-200 Advanced. The "Classic" models consist of the 737-300, 737-400, and 737-500. The "Next Generation" variants consist of the 737-600, 737-700/-700ER, 737-800, and 737-900/-900ER. Of these nine variants, many feature additional versions.


[edit] 737 Original

[edit] 737-100

The initial model was the 737-100. It was launched by Lufthansa in 1965 and entered service in 1968. The aircraft is the smallest variant of the 737. 30 737-100s were ordered and delivered. No 737-100s remain in service. The original Boeing prototype, last operated by NASA, retired more than 30 years after its maiden flight, and is on exhibit in the Museum of Flight in Seattle.[44] Image File history File links Pluna. ... Image File history File links Pluna. ... PLUNA (Primeras Líneas Uruguayas de Navigación Aérea) is Uruguays national and international airline, based in Montevideo. ... Carrasco International Airport (IATA: MVD, ICAO: SUMU) is the largest airport in Uruguay. ... For other uses, see Montevideo (disambiguation). ... Deutsche Lufthansa AG (ISIN: DE0008232125) (pronounced ) is the largest airline in Europe in terms of overall passengers carried (second is Air France - KLM), and the flag carrier of Germany. ... For other uses, see NASA (disambiguation). ... For the Museum of Flight in East Lothian, Scotland, see Museum of Flight (Scotland). ...


[edit] 737-200

The 737-200 is a 737-100 with an extended fuselage. It was launched by United Airlines in 1965 and entered service in 1968. The 737-200 Advanced is an improved version of the -200, introduced by All Nippon Airways on 20 May 1971.[49] The aircraft has improved aerodynamics, automatic wheel brakes, more powerful engines, more fuel capacity and longer range than the -200.[50] Boeing also provided the 737-200C (Convertible), that allowed conversion between passenger and cargo use and the 737-200QC (Quick Change), facilitating rapid conversion between roles. The last delivery of a -200 series aircraft was in August 1988.[51] A large number of 737-200s are still in service, mostly with "second tier" airlines and those of developing nations. They are being phased out because of poor fuel efficiency, high noise emissions (despite the vast majority having had their JT8Ds fitted with hush kits) and escalating maintenance costs. This plane was able to operate on gravel runways after a gravelkit was installed, this was done in Alaska. United Airlines is a major airline of the United States. ... All Nippon Airways Co. ... is the 140th day of the year (141st in leap years) in the Gregorian calendar. ... Year 1971 (MCMLXXI) was a common year starting on Friday (link will display full calendar) of the 1971 Gregorian calendar, known as the year of cyclohexanol. ... A hush kit is a device for reducing noise from an engine; most commonly the term refers to devices which reduce noise emissions from turbojets. ... For other uses, see Alaska (disambiguation). ...


Nineteen 737-200s were converted to be used to train aircraft navigators for the U.S. Air Force, designated T-43. Some were modified into CT-43s which are used to transport passengers. The first one was delivered on 31 July 1973 and the last on 19 July 1974. The Indonesian Air Force ordered three modified 737-200s, designated Boeing 737-2x9 Surveiller. They were used as Maritime reconnaissance (MPA)/transport aircraft, fitted with SLAMMAR (Side-looking Multi-mission Airborne Radar). The aircraft were delivered between May 1982 and October 1983.[52] “The U.S. Air Force” redirects here. ... The Boeing T-43A is a modified Boeing 737-200 used by the US Air Force. ... is the 212th day of the year (213th in leap years) in the Gregorian calendar. ... For the song by James Blunt, see 1973 (song). ... is the 200th day of the year (201st in leap years) in the Gregorian calendar. ... Year 1974 (MCMLXXIV) was a common year starting on Tuesday (link will display full calendar) of the 1974 Gregorian calendar. ... Indonesias armed forces (Indonesian: Tentara Nasional Indonesia, abbreviated as TNI, formerly Angkatan Bersenjata Republik Indonesia, abbreviated as ABRI) total about 1,602,000 members, including the Army (TNI-AD), Navy(including marines), and Air Force. ...


After 40 years, the final 737-200 aircraft in the United States flying scheduled passenger service were phased out on March 31, 2008 with the last flights of Aloha Airlines (Aloha continues to fly its interisland cargo flights). The aircraft had been eliminated from regular service in the continental United States in 2006, when Delta Air Lines withdrew the type. is the 90th day of the year (91st in leap years) in the Gregorian calendar. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance to the Gregorian calendar. ... Aloha Airlines (IATA: AQ, ICAO: AAH, and Callsign: Aloha) is an airline headquartered in Honolulu, Hawaii USA. It operates extensive scheduled services within the Hawaiian Islands, and between Hawaii and the West Coast of the United States. ... Delta Air Lines, Inc. ...


[edit] 737 Classic

Main article: Boeing 737 Classic
Close-up of the engine nacelles of a 737 showing the flattened underside and triangular shape.
Close-up of the engine nacelles of a 737 showing the flattened underside and triangular shape.

The new 737 Classic series featured CFM56 turbofan engines, which yielded significant gains in fuel economy and a reduction in noise, but also posed an engineering challenge given the low ground clearance of the 737. Boeing and engine supplier CFMI solved the problem by placing the engine ahead of (rather than below) the wing, and by moving engine accessories to the sides (rather than the bottom) of the engine pod, giving the 737 a distinctive non-circular air intake.[53] The wing incorporated a number of changes for improved aerodynamics. CFM56-3 CFM56, front view CFM International CFM-56 series engines is a family of high-bypass turbofan engines made by CFM International and has a thrust range from 18,500 to 34,000 lbf (82 kN to 151 kN). ... Schematic diagram of high-bypass turbofan engine CFM56-3 turbofan, lower half, side view. ... Categories: Stub | Aircraft engine manufacturers | General Electric subsidiaries ...


[edit] 737-300

The 737-300 was launched in 1981 by both USAir and Southwest Airlines becoming the first model of the 737 Classic series. The aircraft has a typical capacity of 128 passengers in a two class configuation (137 seats in a one class coach seating configuration).[54] The 300 series remained in production until 1999 when the last aircraft was delivered to Air New Zealand on December 17, 1999. US Airways is a low-cost carrier[2][3] owned by US Airways Group, Inc. ... This article is about the American airline. ... Boeing 747-400 Boeing 747-400 Air New Zealand Limited (ASX:, NZX: AIR, Air New Zealand) is a scheduled passenger airline based in Auckland, New Zealand, and the national flag carrier. ... December 17 is the 351st day of the year (352nd in leap years) in the Gregorian calendar. ... Events of 2008: (EMILY) Me Lesley and MIley are going to China! This article is about the year. ...


Various modifications have been made to aircraft previously in service. The 737-300 can be retrofitted with Aviation Partners Boeing winglets. The 737-300 retrofitted with winglets is designated the -300SP (special performance). Used passenger -300 aircraft have also been converted to freighter versions. The Lockheed Martin CATBird is a modified 737-300 with the nose of a Lockheed F-35 Lightning II, a pair of canards, and (inside) an F-35 cockpit; to be used to flight test the F-35's complete avionics suite. Hawker 800SP with API Winglets Aviation Partners Inc. ... The Boeing Company (NYSE: BA, TYO: 7661) is a major aerospace and defense corporation, originally founded by William Edward Boeing. ... The F-35 Lightning II is a single-seat, single-engine, stealth-capable military strike fighter, a multi-role aircraft that can perform close air support, tactical bombing, and air-to-air combat. ...

Image File history File links Download high resolution version (1500x981, 598 KB) British Airways Boeing 737-400 (UK registration G-DOCP, built 1992) landing at London (Heathrow) Airport, England. ... Image File history File links Download high resolution version (1500x981, 598 KB) British Airways Boeing 737-400 (UK registration G-DOCP, built 1992) landing at London (Heathrow) Airport, England. ... For the 1930s airline of similar name, see British Airways Ltd. ...

[edit] 737-400

The 737-400 was stretched beyond the 737-300, primarily to accommodate charter airlines. Piedmont Airlines and Pace Airlines were the launch customers. The -400 was launched in 1985 and entered service in 1988 with Piedmont. The last delivery of the -400 occurred on 25 February 2000 to CSA Czech Airlines.[55] Piedmont Airlines Logo Piedmont Airlines began flying in 1948. ... Pace Airlines is an American charter airline based in Winston-Salem, North Carolina, USA. It operates executive passenger and sports flight charters. ... CSA Czech Airlines (in Czech: České aerolinie (abbreviation: ČSA) is the Czech national airline company, and former national carrier of Czechoslovakia based at Ruzyně International Airport, Prague. ...


The 737-400F was not a model delivered by Boeing but a converted 737-400 to an all cargo aircraft. Alaska Airlines was the first to convert one of its 400s from regular service to an aircraft with the ability to handle 10 pallets.[56] The airline has also converted two more into fixed combi aircraft for half passenger and freight. These 737-400 Combi aircraft are now in service. Alaska Airlines, (NYSE: ALK) is an airline based in Seattle, Washington, United States. ...


[edit] 737-500

The 737-500 was launched in 1987 by Southwest Airlines and entered service in 1990. The fuselage length of the 737-500 is similar to the 737-200 while incorporating the improvements of the 737 Classic series. It offered a modern and direct replacement of the 737-200, while also allowing longer routes with fewer passengers to be more economical than with the 737-300. The last -500 was delivered to All Nippon Airlines on 26 July 1999.[57] Image File history File links Size of this preview: 800 × 500 pixelsFull resolution (2800 × 1749 pixel, file size: 2. ... Image File history File links Size of this preview: 800 × 500 pixelsFull resolution (2800 × 1749 pixel, file size: 2. ... Boeing 737-500 LOT redirects here. ... This article is about the American airline. ...


The 737-500 has become a favorite of some Russian airlines, with Aeroflot-Nord, S7 Airlines, and Rossiya Airlines all buying second-hand models of the aircraft to replace aging Soviet-built aircraft. Aeroflot-Nord is an airline based in Russia. ... S7 Airlines is an airline based in Ob, Russia. ... Rossiya Airlines (Rossiya State Transport Company) is an airline based in Moscow, Russia. ... State motto (Russian): Пролетарии всех стран, соединяйтесь! (Transliterated: Proletarii vsekh stran, soedinyaytes!) (Translated: Workers of the world, unite!) Capital Moscow Official language None; Russian (de facto) Government Federation of Soviet republics Area  - Total  - % water 1st before collapse 22,402,200 km² Approx. ...


[edit] 737 Next Generation

In November 1993, Boeing's board of directors authorised the Next Generation program to replace the 737 Classic series. The -600, -700, and -800 series were planned.[58] By the early 1990s, it became clear that the new Airbus A320 was a serious threat to Boeing's market share, as Airbus won previously loyal 737 customers such as Lufthansa. After engineering trade studies and discussions with major 737 customers, Boeing proceeded to launch the 737 Next Generation series. Airbus S.A.S. (pronounced in English, in French, and in German) is an aircraft manufacturing subsidiary of EADS, a European aerospace concern. ... The Airbus A320 is a short to medium range commercial passenger aircraft manufactured by Airbus. ...


New features included:

  • Improved CFM56-7 turbofan engine, 7% more fuel efficient than the CFM56-3
  • Intercontinental range of over 3,000 nautical miles (5,556 km).[59]
  • Increased fuel capacity and higher Maximum Takeoff Weight (MTOW)
  • Six-screen LCD glass cockpit with modern avionics, retaining crew commonality with previous generation 737
  • Passenger cabin improvements similar to those on the Boeing 777, featuring more curved surfaces and larger overhead bins than previous generation 737s. The Next Generation 737 interior was also adopted on the Boeing 757-300.
  • New airfoil section, increased wing span, area, and chord
  • Redesigned vertical stabilizer

Boeing delivered the 5,000th 737 to Southwest Airlines on 13 February 2006. CFM56-3 CFM56, front view CFM International CFM-56 series engines is a family of high-bypass turbofan engines made by CFM International and has a thrust range from 18,500 to 34,000 lbf (82 kN to 151 kN). ... In aviation, the Maximum Take-Off Weight (or MTOW) is the maximum weight with which an aircraft can achieve flight. ... This article does not cite any references or sources. ... The Boeing 777 is an American long-range wide-body twin-engine airliner built by Boeing Commercial Airplanes. ... The Boeing 757 is an American short to medium range commercial passenger aircraft manufactured by Boeing Commercial Airplanes. ... For the kite, see foil kite. ... Cross section of an airfoil showing chord In reference to aircraft, chord refers to the distance between the front and back of a wing, measured in the direction of the normal airflow. ... This article is about the American airline. ... is the 44th day of the year in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ...


[edit] 737-600

A TAROM 737-700
A TAROM 737-700

The 737-600 is the direct replacement of the 737-500 and competes with the A318. This is the only Boeing 737 still in production that does not include winglets as an option.[60] The 737-600 was launched by Scandinavian Airlines System in 1995 with the first aircraft delivered on 18 September 1998. 69 aircraft have been delivered with no further announced unfilled orders as of December 2007. The most recent delivery was on 14 September 2006 to WestJet. SAS Boeing 737-600 (LN-RPA) landing at London (Heathrow) Airport. ... SAS Boeing 737-600 (LN-RPA) landing at London (Heathrow) Airport. ... Scandinavian Airlines System or SAS is a multi-national airline for Denmark, Norway and Sweden, and the leading carrier in the Scandinavian countries, based in Stockholm, Sweden and owned by SAS AB. It is a founding member of the Star Alliance. ... Image File history File links Metadata Size of this preview: 800 × 534 pixelsFull resolution (2022 × 1349 pixel, file size: 231 KB, MIME type: image/jpeg) Tarom Boeing 737-700 (YR-BGG) landing at London Heathrow Airport. ... Image File history File links Metadata Size of this preview: 800 × 534 pixelsFull resolution (2022 × 1349 pixel, file size: 231 KB, MIME type: image/jpeg) Tarom Boeing 737-700 (YR-BGG) landing at London Heathrow Airport. ... TAROM is the flag carrier airline of Romania. ... The Airbus A320 family of short-to-medium range commercial passenger aircraft are manufactured by Airbus S.A.S.. Family members include the A318, A319, A320, and A321, as well as the ACJ business jet. ... Scandinavian Airlines System or SAS is a multi-national airline for Denmark, Norway and Sweden, and the leading carrier in the Scandinavian countries, based in Stockholm, Sweden and owned by SAS AB. It is a founding member of the Star Alliance. ... A WestJet Boeing 737-700 WestJet Airlines Ltd. ...


[edit] 737-700

The 737-700 was the first of Next Generation series when launch customer Southwest Airlines ordered the variant in November 1993. The variant was based on the 737-300 and entered service in 1998.[61] It replaced the 737-300 in Boeing's lineup, and its direct competitor is the A319. It typically seats 132 passengers in a two class cabin or 149 in all economy configuration. This article is about the American airline. ... The Airbus A320 family of short-to-medium range commercial passenger aircraft are manufactured by Airbus S.A.S.. Family members include the A318, A319, A320, and A321, as well as the ACJ business jet. ...


The 737-700C is a convertible version where the seats can be removed from the plane to carry cargo. There is a large door on the left side of the aircraft. The US Navy was the launch customer for the 737-700C.[62] USN redirects here. ...


Boeing launched the 737-700ER on January 31, 2006.[63] All Nippon Airways is the launch customer, with the first one delivered on 16 February 2007. The 737-700ER is a mainline passenger version of the BBJ1 and 737-700IGW. It combines the 737-700 fuselage with the wings and landing gear of a 737-800. It will offer a range of 5,510 nautical miles (10,205 kilometers), with seating for 126 passengers in a 2-class configuration. A competitor to this model would be the A319LR. The 700ER has