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The Boeing 737 is an American narrow-body aircraft produced by Boeing at its Renton factory in Washington.Developed to supplement the Boeing 727 on short and thin routes, the twinjet retained the 707 fuselage width and six abreast seating but with two underwing Pratt & Whitney JT8D low-bypass turbofan engines.
The widest narrow body aircraft such as the Airbus A320 family and Boeing 737 aircraft have six abreast seating in a 3+3 layout. Asymmetrical layouts also exist, examples including the Embraer Regional Jet which has 1+2 seating while the Douglas DC-9, Sukhoi Superjet 100 and Airbus A220 aircraft typically feature 2+3 seating.
The initial 737-300 (foreground) is 9 ft 5 in (2.87 m) longer than the 737-200 (background) and is re-engined with wider and more efficient CFM56 turbofans. Following the success of the Boeing 737-200 Advanced, Boeing wanted to increase capacity and range, incorporating improvements to upgrade the plane to modern specifications, while also retaining commonality with previous 737 variants.
The 737 MAX series has been offered in four variants, with 138 to 204 seats in typical two-class configuration, and a range of 3,300 to 3,850 nautical miles [nmi] (6,110 to 7,130 km; 3,800 to 4,430 mi). The 737 MAX 7, MAX 8, and MAX 9 are intended to replace the 737-700, -800, and -900 respectively, and a further-stretched 737 MAX 10 is available.
Four-abreast cross-section Airbus A320 (foreground) and Boeing 737-900 (background), both narrow-bodies Narrow-body Airbus A320 in front of a Boeing 777-300ER wide-body. A narrow-body aircraft or single-aisle aircraft is an airliner arranged along a single aisle, permitting up to 6-abreast seating in a cabin less than 4 metres (13 ft) in width.
The cabin has a 3-3 seat layout, which is typical among this class of aircraft like the Airbus A320 or Boeing 737. The middle seat in each 3-seat row is designed to be 1.5 cm wider than the window and aisle seat to provide better comfort for the passenge sitting in the middle. [106]
Because the −900 retains the same exit configuration of the -800, seating capacity is limited to 189, although aircraft equipped with a typical 2-class layout will seat approximately 177. The 737-900 also retains the MTOW and fuel capacity of the −800, trading range for payload.
737 MAX 7: Successor of the 737-700 with new engines Revealed 08/2011 2025 [25] 737 MAX 10: Fourth generation of the 737. Lengthened 737 MAX 9. Direct competitor of the Airbus A321neo Revealed 06/2017 2025 [26] 777X: New 777 series, with the lengthened 777-9X, and extra-long-range 777-8X. New engine and new composite wings with folding wingtips ...