Boeing 737 Family: Difference between revisions
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* [https://www.boeing.com/commercial/737max/ Boeing 737 MAX official page] | * [https://www.boeing.com/commercial/737max/ Boeing 737 MAX official page] | ||
* [https://www.boeing.com/history/products/737.page Boeing 737 history] | * [https://www.boeing.com/history/products/737.page Boeing 737 history] | ||
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[[Category:Boeing aircraft|737]] | [[Category:Boeing aircraft|737]] | ||
[[Category:Narrow-body airliners]] | [[Category:Narrow-body airliners]] | ||
[[Category:Twinjets]] | [[Category:Twinjets]] | ||
[[Category:Aircraft first flown in 1967]] | [[Category:Aircraft first flown in 1967]] | ||
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Revision as of 11:19, 17 May 2025
The Boeing 737 is a narrow-body aircraft family produced by Boeing at its Renton, Washington factory. First introduced in 1968, it has become the best-selling commercial jetliner in aviation history. The 737 family has undergone four generations of development: the Original (-100/-200), Classic (-300/-400/-500), Next Generation (-600/-700/-800/-900), and MAX (7/8/9/10) series.
Development History
Original Series (1967–1988)
The 737 was conceived as a shorter, lower-cost twinjet to complement Boeing's 707 and 727. The initial -100 model (first flight April 9, 1967) was followed by the lengthened -200, which became more popular. Key features included:
- Pratt & Whitney JT8D low-bypass turbofan engines
- Capacity for 85–124 passengers
- Mechanical flight controls
Classic Series (1984–2000)
The 737-300/-400/-500 series introduced:
- CFM International CFM56 high-bypass turbofans
- Glass cockpit with EFIS displays
- Increased passenger capacity (up to 168)
- Improved aerodynamics and fuel efficiency
Next Generation (NG, 1997–2020)
The 737NG series represented a major redesign:
- New wing with increased span and area
- Modern avionics including LCD displays
- Revised interior with Boeing Sky Interior option
- Winglets as standard on most models
- Variants from 110 seats (-600) to 215 seats (-900ER)
MAX Series (2017–present)
The current generation features:
- CFM International LEAP-1B engines
- Advanced Technology winglets
- Boeing Sky Interior as standard
- MCAS (Maneuvering Characteristics Augmentation System)
- 12–14% better fuel efficiency than NG
Design
Common Features
All 737 variants share key design elements:
- Low-wing cantilever monoplane
- Six-abreast economy seating (3+3)
- Two underwing-mounted turbofan engines
- Tricycle landing gear with main gear retracting into fuselage
- Semi-monocoque aluminum fuselage (composite materials in MAX)
Flight Deck
The 737 flight deck has evolved through generations:
- Original: Analog gauges with three-crew operation
- Classic: Transition to two-crew glass cockpit
- NG: Six LCD displays with integrated avionics
- MAX: Large format displays with optional HUD
Variants
| Generation | Model | Length | Seats | Range | Introduced |
|---|---|---|---|---|---|
| Original | 737-100 | 28.6 m | 85 | 3,440 km | 1968 |
| Original | 737-200 | 30.5 m | 102 | 4,440 km | 1968 |
| Classic | 737-300 | 33.4 m | 126 | 4,204 km | 1984 |
| Classic | 737-400 | 36.5 m | 147 | 4,204 km | 1988 |
| Classic | 737-500 | 31.0 m | 110 | 4,444 km | 1990 |
| NG | 737-600 | 31.2 m | 110 | 5,648 km | 1998 |
| NG | 737-700 | 33.6 m | 126 | 6,230 km | 1998 |
| NG | 737-800 | 39.5 m | 162 | 5,765 km | 1998 |
| NG | 737-900ER | 42.1 m | 180 | 5,925 km | 2007 |
| MAX | 737 MAX 7 | 35.6 m | 138 | 7,130 km | 2019 |
| MAX | 737 MAX 8 | 39.5 m | 178 | 6,570 km | 2017 |
| MAX | 737 MAX 9 | 42.2 m | 193 | 6,570 km | 2018 |
| MAX | 737 MAX 10 | 43.8 m | 204 | 6,110 km | 2023 |
Operational History
The 737 family has been operated by over 500 airlines worldwide. Notable aspects include:
- Over 30 billion passengers carried
- More than 300 aircraft in the air at any given time
- Average of one 737 taking off or landing every 5 seconds
- Primary workhorse for low-cost carriers globally
Accidents and Incidents
The 737 family has been involved in several notable accidents:
- 737 MAX grounding (2019–2020) following two fatal crashes
- 2006 Gol Transportes Aéreos Flight 1907 mid-air collision
- 2010 Air India Express Flight 812 overshoot accident
- 2018 Southwest Airlines Flight 1380 engine failure
Specifications (737 MAX 8)
See Also
- Airbus A320 family - main competitor
- Boeing 707 - predecessor
- Boeing 757 - stretched narrow-body successor
- List of Boeing 737 operators
References
External Links