The McDonnell Douglas DC-9-50 is a single-aisle, twin-engine jet airliner produced by McDonnell Douglas. The DC-9-50 is a stretched version of the DC-9-30, with a longer fuselage and a higher passenger capacity. It was first introduced in 1975 and remained in production until 1982.
The DC-9-50 was a popular airliner, with over 900 aircraft produced. It was used by a variety of airlines around the world, including Delta Air Lines, United Airlines, and American Airlines. The DC-9-50 was also used by the United States Air Force as a transport aircraft.
The DC-9-50 was a significant aircraft in the history of commercial aviation. It was one of the first single-aisle jet airliners to be produced, and it helped to revolutionize the way people traveled. The DC-9-50 is still in use today by a number of airlines around the world.
DOUGLAS DC-9-50 Specs
The McDonnell Douglas DC-9-50 is a single-aisle, twin-engine jet airliner that was produced by McDonnell Douglas. It was first introduced in 1975 and remained in production until 1982. The DC-9-50 was a popular airliner, with over 900 aircraft produced. It was used by a variety of airlines around the world, including Delta Air Lines, United Airlines, and American Airlines.
- Length: 114 ft 4 in
- Wingspan: 93 ft 9 in
- Height: 27 ft 6 in
- Maximum takeoff weight: 123,000 lb
- Cruising speed: 560 mph
- Range: 1,500 mi
- Passenger capacity: 115
These specifications made the DC-9-50 a versatile and efficient aircraft. Its relatively short length and wingspan made it suitable for operation at smaller airports, while its high cruising speed and range allowed it to be used on longer routes. The DC-9-50’s large passenger capacity also made it a popular choice for airlines operating high-density routes.
Length
The length of the DOUGLAS DC-9-50 is 114 ft 4 in, which is a significant specification that influences various aspects of the aircraft’s performance and operation.
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Passenger Capacity
The length of the aircraft directly affects its passenger capacity. The DC-9-50’s length allows it to accommodate up to 115 passengers in a single-class configuration, providing ample space and comfort for passengers during their flight.
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Takeoff and Landing Performance
The length of the aircraft also plays a role in its takeoff and landing performance. A longer aircraft requires a longer runway to take off and land, which can be a limiting factor when operating from smaller airports. However, the DC-9-50’s length is optimized to allow for efficient takeoff and landing operations, even on shorter runways.
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Maneuverability
The length of the aircraft can also affect its maneuverability. Longer aircraft can be more difficult to maneuver, especially at low speeds. However, the DC-9-50’s advanced design and flight control systems ensure that it remains highly maneuverable, providing pilots with precise control during takeoff, landing, and in-flight maneuvers.
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Aerodynamic Efficiency
The length of the aircraft can also impact its aerodynamic efficiency. Longer aircraft generally have a higher drag coefficient, which can increase fuel consumption. However, the DC-9-50’s sleek design and advanced wing profile minimize drag, resulting in improved fuel efficiency and lower operating costs.
In summary, the length of the DOUGLAS DC-9-50 is a crucial specification that influences various aspects of its performance and operation, including passenger capacity, takeoff and landing performance, maneuverability, and aerodynamic efficiency. These factors are carefully considered during the design and engineering process to ensure that the aircraft meets the specific requirements of airlines and passengers.
Wingspan
The wingspan of the DOUGLAS DC-9-50 is 93 ft 9 in, a significant specification that influences various aspects of the aircraft’s performance and operation.
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Lift and Drag
The wingspan of an aircraft directly affects its lift and drag characteristics. A larger wingspan generally generates more lift, which is essential for takeoff and maintaining altitude during flight. At the same time, a larger wingspan also increases drag, which can affect the aircraft’s speed and fuel efficiency. The DC-9-50’s wingspan is optimized to balance these factors, providing sufficient lift for safe and efficient operation while minimizing drag.
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Maneuverability
The wingspan of an aircraft also impacts its maneuverability. Aircraft with shorter wingspans are generally more maneuverable, as they can turn and roll more quickly. However, longer wingspans provide greater stability and reduce the aircraft’s susceptibility to crosswinds, making it easier to control during takeoff, landing, and in-flight maneuvers. The DC-9-50’s wingspan is designed to provide a balance between maneuverability and stability, allowing pilots to handle the aircraft with precision and confidence.
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Range and Endurance
The wingspan of an aircraft can also affect its range and endurance. Aircraft with longer wingspans typically have greater fuel capacity, which allows them to fly longer distances without refueling. The DC-9-50’s wingspan provides sufficient fuel capacity for its intended range and mission profiles, enabling airlines to operate the aircraft on a variety of routes.
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Structural Integrity
The wingspan of an aircraft is a critical factor in determining its structural integrity. The wings must be strong enough to withstand the forces of lift, drag, and gravity during flight. The DC-9-50’s wingspan is designed with advanced materials and engineering techniques to ensure that the wings can these forces and maintain their structural integrity throughout the aircraft’s service life.
In summary, the wingspan of the DOUGLAS DC-9-50 is a crucial specification that influences various aspects of the aircraft’s performance and operation, including lift and drag, maneuverability, range and endurance, and structural integrity. These factors are carefully considered during the design and engineering process to ensure that the aircraft meets the specific requirements of airlines and passengers.
Height
The height of the DOUGLAS DC-9-50 is 27 ft 6 in, which is a significant specification that influences various aspects of the aircraft’s design, operation, and passenger experience.
One important aspect is ground clearance. The height of the aircraft determines the minimum height of obstacles that it can safely clear during takeoff, landing, and taxiing. The DC-9-50’s height of 27 ft 6 in provides sufficient ground clearance for safe operation at a variety of airports, including those with shorter runways or obstacles in the vicinity.
Another important aspect is cabin height. The height of the aircraft’s fuselage directly affects the amount of headroom and overall spaciousness available to passengers in the cabin. The DC-9-50’s height of 27 ft 6 in provides ample headroom and a comfortable cabin environment, contributing to passenger satisfaction and reducing fatigue during flights.
Furthermore, the height of the aircraft can also impact maintenance and servicing operations. A taller aircraft may require specialized equipment or procedures for tasks such as engine maintenance or cargo loading. The DC-9-50’s height of 27 ft 6 in allows for efficient maintenance and servicing, reducing downtime and ensuring the aircraft’s availability for operation.
In summary, the height of the DOUGLAS DC-9-50 is a crucial specification that influences various aspects of the aircraft’s design, operation, and passenger experience. The aircraft’s height ensures safe ground clearance, provides a comfortable cabin environment, and facilitates efficient maintenance and servicing, contributing to the overall success and reliability of the DC-9-50.
Maximum takeoff weight
The maximum takeoff weight (MTOW) of the DOUGLAS DC-9-50 is 123,000 lb. This specification is a crucial aspect of the aircraft’s design and operation, as it determines the maximum allowable weight of the aircraft during takeoff, including passengers, cargo, fuel, and any other payload.
The MTOW is calculated based on various factors, including the aircraft’s structural strength, engine performance, and safety regulations. It is essential to ensure that the aircraft does not exceed its MTOW during takeoff, as this could lead to structural damage, reduced performance, and potential safety hazards.
The MTOW of the DC-9-50 is optimized to provide a balance between payload capacity and operational efficiency. A higher MTOW allows the aircraft to carry more passengers and cargo, increasing its revenue-generating potential. However, a higher MTOW also requires more powerful engines and a stronger airframe, which can affect the aircraft’s operating costs and fuel consumption.
In summary, the maximum takeoff weight of 123,000 lb for the DOUGLAS DC-9-50 is a critical specification that ensures the aircraft’s safe and efficient operation. It is a key factor in determining the aircraft’s payload capacity, performance, and overall economics.
Cruising speed
The cruising speed of 560 mph is a significant specification for the DOUGLAS DC-9-50, as it directly relates to the aircraft’s performance, efficiency, and passenger experience during flight.
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Reduced travel time
The high cruising speed of the DC-9-50 enables airlines to reduce travel time for passengers, making it a more attractive option for time-sensitive travelers. For example, a flight from Los Angeles to New York City, which typically takes around 5 hours, can be completed in approximately 4 hours and 15 minutes on the DC-9-50.
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Increased efficiency
The aircraft’s cruising speed is closely related to its fuel efficiency. The DC-9-50’s advanced design and efficient engines allow it to achieve a high cruising speed while maintaining low fuel consumption. This translates into lower operating costs for airlines and potentially lower ticket prices for passengers.
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Passenger comfort
A higher cruising speed can also contribute to passenger comfort during flights. By reducing travel time, passengers spend less time in the air, reducing fatigue and increasing overall satisfaction. Additionally, the DC-9-50’s advanced cabin design and noise-reducing features further enhance passenger comfort during high-speed travel.
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Strategic advantage for airlines
In the competitive airline industry, airlines constantly seek ways to differentiate their services and attract passengers. The DC-9-50’s high cruising speed can provide airlines with a strategic advantage by offering faster travel times and more efficient operations, ultimately contributing to increased revenue and customer loyalty.
In summary, the cruising speed of 560 mph for the DOUGLAS DC-9-50 is a crucial specification that influences the aircraft’s performance, efficiency, passenger experience, and competitive positioning in the airline industry.
Range
The range of 1,500 miles is a crucial specification for the DOUGLAS DC-9-50, as it determines the aircraft’s ability to operate on various routes and meet the needs of different airlines and passengers.
This range is achieved through a combination of fuel efficiency and aerodynamic design. The DC-9-50’s advanced engines and lightweight construction allow it to consume less fuel during flight, while its sleek design minimizes drag and improves overall efficiency.
The range of 1,500 miles enables the DC-9-50 to operate on a wide range of routes, both short-haul and medium-haul. This versatility makes it an attractive option for airlines that need an aircraft capable of serving a variety of destinations without the need for refueling stops.
For example, the DC-9-50 can fly from Los Angeles to Chicago (approximately 1,400 miles) or from London to Madrid (approximately 1,200 miles) without requiring a refueling stop. This allows airlines to offer direct flights between major cities, reducing travel time for passengers and increasing the efficiency of their operations.
In summary, the range of 1,500 miles for the DOUGLAS DC-9-50 is a key specification that enables the aircraft to operate on a wide range of routes, meet the needs of different airlines and passengers, and contribute to the overall efficiency and success of its operations.
Passenger capacity
The passenger capacity of the DOUGLAS DC-9-50 is 115, a significant specification that influences various aspects of the aircraft’s design, operation, and profitability.
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Market Positioning
The passenger capacity of an aircraft directly relates to its market positioning and the types of routes it can serve. The DC-9-50’s capacity of 115 passengers places it in the category of single-aisle, narrow-body aircraft, which are typically used for short- to medium-haul flights.
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Operational Efficiency
Passenger capacity also affects the aircraft’s operational efficiency. A higher passenger capacity generally means more revenue potential for airlines, as they can transport more passengers on each flight. The DC-9-50’s capacity of 115 passengers allows airlines to achieve a balance between passenger volume and operational costs.
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Cabin Configuration
The passenger capacity of an aircraft influences its cabin configuration and the level of comfort provided to passengers. The DC-9-50’s 115-passenger capacity allows for a comfortable seating arrangement, with ample legroom and overhead space for carry-on luggage.
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Route Network Planning
Passenger capacity is a crucial factor in route network planning for airlines. The DC-9-50’s capacity of 115 passengers makes it suitable for a wide range of routes, including both high-density and lower-density markets. This versatility allows airlines to optimize their fleet utilization and match aircraft capacity to the specific demands of each route.
In summary, the passenger capacity of 115 for the DOUGLAS DC-9-50 is a key specification that influences the aircraft’s market positioning, operational efficiency, cabin configuration, and route network planning, contributing to its overall value and success in the aviation industry.
FAQs on DOUGLAS DC-9-50 Specs
This section addresses frequently asked questions regarding the specifications of the DOUGLAS DC-9-50 aircraft.
Question 1: What is the maximum takeoff weight of the DC-9-50?
Answer: The maximum takeoff weight of the DC-9-50 is 123,000 lb. This weight includes the aircraft’s operating empty weight, payload (passengers, cargo, and baggage), and fuel.
Question 2: What is the cruising speed of the DC-9-50?
Answer: The cruising speed of the DC-9-50 is 560 mph (900 km/h). This speed allows the aircraft to cover long distances efficiently, reducing travel time for passengers.
Question 3: What is the range of the DC-9-50?
Answer: The range of the DC-9-50 is 1,500 miles (2,400 km). This range enables the aircraft to operate on a variety of short- to medium-haul routes without requiring refueling stops.
Question 4: How many passengers can the DC-9-50 accommodate?
Answer: The passenger capacity of the DC-9-50 is 115 passengers in a single-class configuration. This capacity makes it suitable for both high-density and lower-density routes.
Question 5: What are the dimensions of the DC-9-50?
Answer: The dimensions of the DC-9-50 are as follows:
– Length: 114 ft 4 in (34.85 m)
– Wingspan: 93 ft 9 in (28.58 m)
– Height: 27 ft 6 in (8.38 m)
Question 6: What type of engines power the DC-9-50?
Answer: The DC-9-50 is powered by two Pratt & Whitney JT8D-17 turbofan engines, each producing approximately 15,000 pounds of thrust.
These FAQs provide a concise overview of the key specifications and capabilities of the DOUGLAS DC-9-50 aircraft.
Please note that the specifications mentioned in these FAQs may vary slightly depending on the specific variant or configuration of the DC-9-50.
Tips on Utilizing DOUGLAS DC-9-50 Specs
Optimizing the performance and efficiency of the DOUGLAS DC-9-50 aircraft requires a thorough understanding and effective utilization of its specifications. Here are some valuable tips to consider:
Tip 1: Payload Optimization Calculate the aircraft’s maximum payload capacity based on the specified maximum takeoff weight and operating empty weight. Distribute weight evenly throughout the cabin and cargo compartments to ensure proper balance and stability during flight. Utilize load planning software to optimize cargo and passenger placement, maximizing revenue and minimizing fuel consumption.Tip 2: Range and Endurance Planning Determine the aircraft’s range and endurance capabilities based on the specified range and fuel capacity. Plan flight routes with appropriate refueling stops, if necessary, to avoid exceeding the aircraft’s maximum range. Monitor fuel consumption during flight to ensure efficient operations and avoid unexpected situations.Tip 3: Performance Optimization Utilize the aircraft’s performance charts to determine optimal climb, cruise, and descent profiles. Adhere to recommended airspeeds and altitudes to maximize fuel efficiency and minimize operating costs. Utilize autothrottle and flight management systems to maintain optimal performance parameters.Tip 4: Maintenance and Inspection Follow recommended maintenance schedules and inspection procedures to ensure the aircraft’s airworthiness and reliability. Regularly inspect critical components, such as engines, landing gear, and flight controls, to identify potential issues early on. Utilize diagnostic tools and monitoring systems to detect and address any performance anomalies or system failures.Tip 5: Crew Training and Proficiency Provide comprehensive training to flight crews on the aircraft’s systems, performance characteristics, and emergency procedures. Conduct regular proficiency checks to ensure that crews are well-prepared to operate the aircraft safely and efficiently.* Encourage ongoing professional development and knowledge sharing among crew members.SummaryBy effectively utilizing the DOUGLAS DC-9-50’s specifications and implementing these tips, airlines and operators can enhance the aircraft’s performance, optimize its efficiency, and ensure safe and reliable operations.
Conclusion
The DOUGLAS DC-9-50, with its impressive specifications, stands as a testament to the advancements in aviation engineering during the mid-20th century. Its combination of range, passenger capacity, and efficiency made it a popular choice for airlines around the world. Understanding and effectively utilizing these specifications are crucial for optimizing the aircraft’s performance, maximizing revenue, and ensuring safe and reliable operations.
As aviation technology continues to evolve, the lessons learned from aircraft like the DC-9-50 remain valuable. Its specifications serve as a benchmark against which newer aircraft are measured, and its legacy continues to inspire innovation in the pursuit of more efficient and sustainable air travel.