The Boeing 737-400 is a narrow-body commercial airliner produced by Boeing Commercial Airplanes, a division of The Boeing Company. It is the fourth generation of the Boeing 737 family, following the 737-100/-200, 737-300, and 737-500. The 737-400 was designed to replace the 737-300 and compete with the Airbus A320 family.
The 737-400 was launched in 1985 and made its first flight in 1988. It entered service with Piedmont Airlines in 1989. The 737-400 was a commercial success, with over 480 aircraft produced. It was the best-selling variant of the 737 family until it was surpassed by the 737-800 in 2006.
The 737-400 is a single-aisle, low-wing aircraft with a T-tail. It has a capacity of up to 188 passengers in a single-class configuration or 149 passengers in a two-class configuration. The 737-400 is powered by two CFM56-3 or IAE V2500 turbofan engines. It has a maximum range of 3,200 nautical miles (5,900 km).
BOEING 737-400 Specs
The Boeing 737-400 is a popular narrow-body airliner known for its efficiency, reliability, and passenger capacity. Its specifications play a crucial role in defining its performance and capabilities.
- Length: 110 ft 4 in (33.63 m)
- Wingspan: 117 ft 6 in (35.81 m)
- Height: 36 ft 6 in (11.13 m)
- Maximum takeoff weight: 174,200 lb (79,010 kg)
- Range: 3,200 nautical miles (5,926 km)
These specifications highlight the 737-400’s ability to operate on short to medium-haul routes, accommodating a large number of passengers while maintaining a high level of efficiency. Its compact size allows it to navigate busy airports with ease, while its extended range enables it to connect cities that are farther apart. The 737-400’s specifications have made it a preferred choice for low-cost carriers and airlines looking to optimize their operations.
Length
The length of the Boeing 737-400, measuring 110 ft 4 in (33.63 m), is a crucial aspect of its specifications that directly influences its performance and operational capabilities.
The aircraft’s length contributes to its overall aerodynamic efficiency. A longer fuselage allows for a more streamlined design, reducing drag and improving fuel efficiency. This translates into lower operating costs for airlines and a reduced environmental footprint.
Furthermore, the length of the 737-400 enables it to accommodate a larger number of passengers, maximizing its revenue-generating potential. With a maximum capacity of up to 188 passengers in a single-class configuration, the aircraft is well-suited for high-density short to medium-haul routes.
Additionally, the aircraft’s length provides ample space for cargo and baggage, making it a versatile option for both passenger and cargo transport. This flexibility allows airlines to adapt the 737-400 to meet varying market demands.
In summary, the length of the Boeing 737-400 is a key specification that contributes to its aerodynamic efficiency, passenger capacity, and cargo flexibility, making it a reliable and efficient workhorse for airlines worldwide.
Wingspan
The wingspan of the Boeing 737-400, measuring 117 ft 6 in (35.81 m), plays a pivotal role in the aircraft’s overall performance and efficiency, contributing significantly to its status as a reliable and versatile workhorse in the aviation industry.
The wingspan directly affects the aircraft’s lift and drag characteristics. A larger wingspan generates more lift, enabling the aircraft to take off and land at slower speeds. This is particularly beneficial for operations in airports with shorter runways or challenging geographical conditions.
Furthermore, the increased wingspan enhances the aircraft’s stability and control during flight. The larger surface area provides greater aerodynamic balance, reducing the need for excessive control inputs and improving overall handling. This translates into a smoother and more comfortable ride for passengers, especially during turbulence.
The wingspan also influences the aircraft’s fuel efficiency. A wider wingspan allows for a more efficient distribution of weight, reducing drag and minimizing fuel consumption. This translates into lower operating costs for airlines and a reduced environmental footprint.
In addition, the wingspan provides ample space for the installation of fuel tanks. The 737-400 can be equipped with optional auxiliary fuel tanks, extending its range and enabling it to operate on longer routes without requiring additional stops for refueling.
In summary, the 117 ft 6 in (35.81 m) wingspan of the Boeing 737-400 is a crucial specification that contributes to its lift, stability, fuel efficiency, and range, making it a highly capable and reliable aircraft for a wide range of operational requirements.
Height
The height of the Boeing 737-400, measuring 36 ft 6 in (11.13 m), is a crucial aspect of its specifications that directly influences its operational capabilities and the overall passenger experience.
The height of the aircraft contributes to its ground clearance, which is the vertical distance between the ground and the lowest point of the aircraft. Adequate ground clearance is essential for safe takeoff, landing, and taxiing operations. The 737-400’s height ensures that it can navigate airport infrastructure, such as taxiways and hangars, without encountering obstacles or causing damage.
Furthermore, the height of the aircraft’s fuselage impacts the size of the passenger cabin. The 737-400’s cabin height provides ample headroom and legroom for passengers, contributing to their comfort and overall travel experience. A taller fuselage also allows for larger overhead bins, accommodating more carry-on luggage and maximizing passenger convenience.
In addition, the height of the aircraft affects its aerodynamic profile. A taller fuselage can reduce drag by minimizing the formation of vortices, which are swirling air currents that create additional resistance. This can contribute to improved fuel efficiency and reduced operating costs for airlines.
In summary, the height of 36 ft 6 in (11.13 m) for the Boeing 737-400 is a key specification that ensures safe ground operations, provides a comfortable passenger cabin, and contributes to the aircraft’s overall aerodynamic efficiency.
Maximum takeoff weight
The maximum takeoff weight (MTOW) of the Boeing 737-400, specified as 174,200 lb (79,010 kg), holds significant importance within the broader context of “BOEING 737-400 Specs.” This specification directly influences the aircraft’s performance, operational capabilities, and safety margins.
MTOW represents the maximum allowable weight of the aircraft at the commencement of takeoff. It encompasses the weight of the aircraft itself, its payload (passengers, cargo, and luggage), and its fuel load. Understanding MTOW is crucial for ensuring safe and efficient aircraft operation.
Several factors contribute to the determination of MTOW, including structural limitations, engine thrust, and regulatory requirements. Exceeding MTOW can have severe consequences, such as reduced climb performance, increased takeoff distance, and potential structural damage. Conversely, operating below MTOW provides additional safety margins and flexibility in payload configuration.
The MTOW of the Boeing 737-400 enables it to carry a substantial payload while maintaining safe and efficient flight characteristics. This makes it a versatile aircraft suitable for a wide range of operational scenarios, from short-haul domestic flights to longer regional routes.
In summary, the maximum takeoff weight of 174,200 lb (79,010 kg) is a critical specification for the Boeing 737-400, impacting its performance, safety, and operational capabilities. Understanding this specification is essential for pilots, engineers, and airline operators to ensure optimal and safe aircraft utilization.
Range
The range of the Boeing 737-400, specified as 3,200 nautical miles (5,926 km), is a crucial aspect of its specifications that determines its operational capabilities and suitability for various routes.
- Route Planning and Network Optimization
The 737-400’s range enables airlines to plan and optimize their route networks effectively. It can operate on short-haul routes within a region or longer regional routes connecting different cities or countries, providing airlines with flexibility in their scheduling and connectivity options.
- Passenger Convenience and Direct Flights
The extended range allows the 737-400 to offer direct flights between cities that were previously not feasible with shorter-range aircraft. This provides greater convenience for passengers, reduces travel time, and eliminates the need for stopovers or connections.
- Operational Efficiency and Reduced Costs
By flying non-stop over longer distances, the 737-400 can save airlines significant time and fuel costs. Fewer stops mean less time spent on ground operations, such as taxiing, takeoff, and landing, resulting in increased efficiency and reduced operating expenses.
In summary, the range of 3,200 nautical miles (5,926 km) for the Boeing 737-400 is a key specification that defines its operational capabilities, route planning flexibility, and overall efficiency. It enables airlines to expand their networks, offer direct flights, and optimize their operations, ultimately enhancing the travel experience for passengers and maximizing profitability.
Frequently Asked Questions (FAQs) about “BOEING 737-400 Specs”
This section addresses common inquiries and misconceptions surrounding the specifications of the Boeing 737-400 aircraft.
Question 1: What is the maximum range of the Boeing 737-400?
Answer: The Boeing 737-400 has a maximum range of 3,200 nautical miles (5,926 kilometers), enabling it to operate on a wide range of short-haul and regional routes.
Question 2: What is the wingspan of the Boeing 737-400?
Answer: The wingspan of the Boeing 737-400 measures 117 feet 6 inches (35.81 meters), contributing to its aerodynamic efficiency and stability during flight.
Question 3: What is the maximum takeoff weight of the Boeing 737-400?
Answer: The maximum takeoff weight of the Boeing 737-400 is 174,200 pounds (79,010 kilograms), which determines its payload capacity and operational capabilities.
Question 4: What are the engine options available for the Boeing 737-400?
Answer: The Boeing 737-400 can be equipped with two engine options: the CFM56-3 turbofan engines or the IAE V2500 turbofan engines, providing airlines with flexibility in selecting the powerplant that best suits their operational needs.
Question 5: What is the typical seating capacity of the Boeing 737-400?
Answer: In a single-class configuration, the Boeing 737-400 can accommodate up to 188 passengers, while in a two-class configuration, it typically seats around 149 passengers, offering a comfortable and efficient cabin layout.
Question 6: What are the advantages of the Boeing 737-400’s specifications?
Answer: The Boeing 737-400’s specifications provide several advantages, including its extended range for regional operations, efficient wing design for improved aerodynamics, high maximum takeoff weight for increased payload capacity, reliable engine options for optimal performance, spacious cabin layout for passenger comfort, and overall versatility for a wide range of route applications.
Summary: The Boeing 737-400’s specifications are meticulously engineered to deliver a balance of performance, efficiency, and passenger comfort. Its range, wingspan, takeoff weight, engine options, seating capacity, and aerodynamic design make it a highly capable and adaptable aircraft for various operational requirements.
Transition: Having explored the specifications of the Boeing 737-400, let’s now delve into its performance characteristics and operational capabilities.
Tips on Optimizing “BOEING 737-400 Specs”
Harnessing the full potential of the Boeing 737-400’s specifications requires careful consideration and strategic planning. Here are a few tips to maximize its performance and efficiency:
Tip 1: Payload Optimization
Understanding the aircraft’s maximum takeoff weight and payload capacity is crucial. Airlines should carefully calculate the weight of passengers, cargo, and fuel to ensure optimal loading and weight distribution.
Tip 2: Range Planning
The 737-400’s extended range allows for efficient route planning. Airlines can optimize flight schedules by carefully considering the aircraft’s fuel consumption and range capabilities.
Tip 3: Engine Selection
The choice between CFM56-3 and IAE V2500 engines depends on operational requirements. Airlines should evaluate factors such as fuel efficiency, maintenance costs, and performance characteristics.
Tip 4: Maintenance and Inspections
Regular maintenance and inspections are essential for maintaining the aircraft’s performance and safety. Airlines should adhere to recommended maintenance schedules and conduct thorough inspections to ensure optimal operation.
Tip 5: Crew Training
Well-trained pilots and cabin crew are vital for maximizing the aircraft’s capabilities. Airlines should invest in comprehensive training programs to ensure proficiency in handling the 737-400’s systems and procedures.
Tip 6: Operational Efficiency
Airlines can improve operational efficiency by optimizing flight planning, reducing ground time, and implementing fuel-saving techniques. These measures contribute to cost reduction and environmental sustainability.
Summary: By implementing these tips, airlines can harness the full potential of the Boeing 737-400’s specifications. Careful planning, strategic decision-making, and a commitment to safety and efficiency will maximize the aircraft’s performance, optimize its operational capabilities, and deliver a superior travel experience for passengers.
Transition: The Boeing 737-400’s impressive specifications provide a solid foundation for airlines to achieve their operational and financial objectives. By embracing these optimization strategies, they can unlock the full potential of this versatile aircraft.
Conclusion
In summary, the Boeing 737-400’s specifications define an aircraft that combines efficiency, reliability, and passenger capacity. Its extended range, aerodynamic design, and powerful engines make it a versatile and capable workhorse for short to medium-haul routes. Airlines leveraging the 737-400’s capabilities can optimize their operations, reduce costs, and enhance the travel experience for passengers.
As the aviation industry continues to evolve, the Boeing 737-400 will undoubtedly remain a mainstay in the global fleet. Its enduring popularity is a testament to its adaptability, efficiency, and the enduring legacy of Boeing’s engineering excellence. As airlines seek to meet the challenges of sustainability and profitability, the 737-400’s specifications will continue to play a crucial role in shaping the future of commercial aviation.
