The Yakovlev Yak-42 is a medium-range, three-engined passenger jet airliner designed by the Yakovlev Design Bureau and manufactured by the Saratov Aircraft Factory in Russia. It was developed in the late 1970s as a replacement for the aging Tupolev Tu-134 and entered service in 1980. The Yak-42 is known for its reliability, efficiency, and relatively low operating costs.
Some of the important specifications of the Yak-42 include:
- Length: 36.38 m (119 ft 4 in)
- Wingspan: 28.81 m (94 ft 6 in)
- Height: 9.83 m (32 ft 3 in)
- Maximum takeoff weight: 55,000 kg (121,254 lb)
- Cruising speed: 810 km/h (503 mph)
- Range: 3,150 km (1,957 mi)
- Passengers: 120-150
The Yak-42 was a popular aircraft in the Soviet Union and Eastern Bloc countries, and it remains in service in a number of countries today. It has a good safety record and has been involved in relatively few accidents. The Yak-42 is a versatile aircraft that can be used for a variety of purposes, including passenger transport, cargo transport, and military transport.
YAKOVLEV Yak-42 Specs
The Yakovlev Yak-42 is a medium-range, three-engined passenger jet airliner designed by the Yakovlev Design Bureau and manufactured by the Saratov Aircraft Factory in Russia. It was developed in the late 1970s as a replacement for the aging Tupolev Tu-134 and entered service in 1980. The Yak-42 is known for its reliability, efficiency, and relatively low operating costs.
- Length: 36.38 m (119 ft 4 in)
- Wingspan: 28.81 m (94 ft 6 in)
- Height: 9.83 m (32 ft 3 in)
- Maximum takeoff weight: 55,000 kg (121,254 lb)
- Cruising speed: 810 km/h (503 mph)
- Range: 3,150 km (1,957 mi)
These key aspects highlight the Yak-42’s dimensions, weight, speed, and range capabilities. The aircraft’s relatively compact size and efficient design make it suitable for a variety of operations, including short- and medium-haul flights. Its three engines provide redundancy and reliability, while its low operating costs make it an attractive option for airlines.
Length
The length of the Yakovlev Yak-42 is a key specification that has a direct impact on its performance and capabilities. A longer fuselage allows for more passenger and cargo capacity, while also providing more space for fuel tanks and other equipment. However, a longer fuselage also increases the aircraft’s weight and drag, which can reduce its speed and range.
- Passenger Capacity: The Yak-42 can accommodate up to 150 passengers in a single-class configuration. The length of the fuselage allows for a spacious cabin with comfortable seating and ample legroom.
- Cargo Capacity: In addition to passengers, the Yak-42 can also carry cargo and baggage. The length of the fuselage provides ample space for a dedicated cargo hold, which can be accessed through a large cargo door at the rear of the aircraft.
- Fuel Capacity: The Yak-42 has a fuel capacity of 23,800 liters (6,284 US gallons). The length of the fuselage allows for the installation of larger fuel tanks, which gives the aircraft a longer range and endurance.
- Aerodynamics: The length of the Yak-42’s fuselage also affects its aerodynamics. A longer fuselage reduces the aircraft’s drag, which improves its fuel efficiency and performance.
Overall, the length of the Yak-42 is a key design parameter that influences a wide range of factors, including passenger and cargo capacity, fuel efficiency, and overall performance.
Wingspan
The wingspan of the Yakovlev Yak-42 is a crucial design parameter that significantly impacts the aircraft’s performance and capabilities. The wingspan determines the amount of lift generated by the wings, which is essential for takeoff, flight, and landing. A wider wingspan provides greater lift, allowing the aircraft to carry more weight and fly more efficiently.
The Yak-42’s wingspan of 28.81 m (94 ft 6 in) is optimized for its intended role as a medium-range passenger jet. This wingspan provides the following benefits:
- High Lift-to-Drag Ratio: The wide wingspan reduces drag and increases lift, resulting in a high lift-to-drag ratio. This allows the Yak-42 to take off and land on shorter runways and operate more efficiently during flight.
- Improved Stability: The wide wingspan enhances the Yak-42’s stability and controllability. It provides a larger surface area for the ailerons and flaps, which improves the aircraft’s maneuverability and handling.
- Increased Fuel Efficiency: The high lift-to-drag ratio contributes to the Yak-42’s fuel efficiency. The aircraft can fly longer distances with less fuel consumption, reducing operating costs.
In summary, the Yak-42’s wingspan of 28.81 m (94 ft 6 in) is a critical aspect of its design that directly affects its performance, stability, and efficiency. This wingspan enables the Yak-42 to operate effectively as a medium-range passenger jet, meeting the demands of airlines for a reliable and economical aircraft.
Height
The height of the Yakovlev Yak-42 is a crucial specification that plays a significant role in the aircraft’s design, performance, and operational capabilities. Standing at 9.83 m (32 ft 3 in) tall, the Yak-42 offers several advantages in these key areas:
- Cabin Space and Comfort: The height of the Yak-42 contributes to a spacious and comfortable cabin for passengers. The ample vertical space allows for larger overhead bins, providing more storage for luggage and personal belongings. Additionally, the increased cabin height reduces the feeling of claustrophobia and enhances the overall passenger experience.
- Cargo Capacity: The Yak-42’s height also benefits its cargo capacity. The taller fuselage accommodates a larger cargo hold, enabling the aircraft to transport more freight and. This capability makes the Yak-42 suitable for both passenger and cargo operations.
- Ground Clearance: The height of the Yak-42 provides sufficient ground clearance, allowing the aircraft to operate safely on rough or uneven runways. This is particularly important for regional airports with limited infrastructure, ensuring that the Yak-42 can access a wider range of destinations.
- Maintenance and Accessibility: The taller fuselage simplifies maintenance and accessibility for ground crews. The increased height allows for easier access to the aircraft’s engines, landing gear, and other components during inspections and repairs.
In summary, the height of 9.83 m (32 ft 3 in) is an integral part of the Yakovlev Yak-42’s specifications, contributing to its cabin comfort, cargo capacity, ground clearance, and maintenance accessibility. These factors combine to make the Yak-42 a versatile and efficient aircraft for both passenger and cargo operations in various operating environments.
Maximum takeoff weight
The maximum takeoff weight (MTOW) is a critical specification for any aircraft, as it determines the maximum weight at which the aircraft is certified to take off. The MTOW of the Yakovlev Yak-42 is 55,000 kg (121,254 lb), which is a key component of its overall specifications.
The MTOW is influenced by several factors, including the aircraft’s structural strength, engine power, and landing gear design. It is carefully calculated to ensure that the aircraft can safely take off and climb with its maximum payload. The MTOW also affects the aircraft’s performance, such as its range and fuel efficiency.
For the Yak-42, the MTOW of 55,000 kg allows it to carry a maximum payload of approximately 150 passengers or a combination of passengers and cargo. This makes it a versatile aircraft that can be used for a variety of purposes, including short- and medium-haul passenger flights, cargo transport, and even military operations.
Understanding the MTOW is important for pilots and airline operators, as it helps them determine the maximum weight at which the aircraft can be safely operated. It also helps in calculating takeoff performance, fuel requirements, and payload capacity.
Cruising speed
The cruising speed of the Yakovlev Yak-42 is an important aspect of its specifications, as it directly relates to the aircraft’s performance and efficiency during flight. Cruising speed is the speed at which an aircraft flies during the majority of its journey, once it has reached its desired altitude and is maintaining a steady course.
- Time Efficiency: The high cruising speed of 810 km/h (503 mph) enables the Yak-42 to cover long distances in a shorter time, making it suitable for medium-range flights. This efficiency is crucial for airlines, as it allows them to operate more flights and optimize their schedules.
- Fuel Efficiency: Cruising speed is closely tied to fuel consumption. The Yak-42’s efficient aerodynamic design and powerful engines allow it to achieve its cruising speed while maintaining optimal fuel burn. This efficiency translates into lower operating costs for airlines and reduces the aircraft’s environmental impact.
- Passenger Comfort: A higher cruising speed can reduce travel time for passengers, making their journey more comfortable and convenient. The Yak-42’s spacious cabin and low noise levels further enhance passenger comfort during the flight.
- Operational Flexibility: The Yak-42’s cruising speed provides operational flexibility for airlines. It allows the aircraft to adapt to varying flight conditions, such as strong winds or air traffic congestion, and still maintain its schedule.
In conclusion, the cruising speed of 810 km/h (503 mph) is a key specification of the Yakovlev Yak-42, contributing to its overall efficiency, performance, and passenger comfort. It enables the aircraft to operate effectively on medium-range flights, providing airlines with a reliable and cost-effective solution for their operations.
Range
The range of an aircraft, measured in kilometers or miles, is a crucial specification that determines the distance it can travel without needing to refuel. In the case of the Yakovlev Yak-42, its range of 3,150 km (1,957 mi) is a significant aspect of its overall capabilities.
This range enables the Yak-42 to operate effectively on medium-range routes, connecting cities that are within a reasonable flying distance. It allows airlines to schedule flights between regional hubs and smaller cities, providing greater connectivity and travel options for passengers.
The Yak-42’s range is particularly advantageous for its intended role as a regional airliner. It can cover substantial distances without requiring stopovers for refueling, reducing travel time and increasing efficiency. This range capability also makes the Yak-42 suitable for charter flights and cargo operations, where the ability to reach destinations without is essential.
Understanding the range of the Yak-42 is crucial for airlines and pilots when planning flight routes and schedules. It helps determine the aircraft’s suitability for specific routes, ensuring that it can complete the journey without exceeding its fuel capacity. Additionally, the range specification is essential for calculating fuel requirements, optimizing payload, and ensuring safe and efficient operations.
FAQs on Yakovlev Yak-42 Specifications
This section addresses frequently asked questions regarding the specifications of the Yakovlev Yak-42 aircraft, providing concise and informative answers.
Question 1: What is the maximum takeoff weight of the Yak-42?
The maximum takeoff weight of the Yak-42 is 55,000 kg (121,254 lb). This weight limit is crucial for ensuring the aircraft’s structural integrity and safe operation during takeoff.
Question 2: What is the cruising speed of the Yak-42?
The Yak-42 has a cruising speed of 810 km/h (503 mph). This speed allows for efficient and time-saving medium-range flights, optimizing its operational capabilities.
Question 3: What is the range of the Yak-42?
The Yak-42 has a range of 3,150 km (1,957 mi). This range enables the aircraft to operate effectively on regional and medium-distance routes, providing greater connectivity and flexibility.
Question 4: What is the wingspan of the Yak-42?
The Yak-42 has a wingspan of 28.81 m (94 ft 6 in). This wingspan contributes to the aircraft’s stability, lift generation, and overall aerodynamic performance.
Question 5: What is the height of the Yak-42?
The Yak-42 has a height of 9.83 m (32 ft 3 in). This height provides ample cabin space for passengers and cargo, facilitates maintenance accessibility, and ensures sufficient ground clearance during takeoff and landing.
Question 6: What is the length of the Yak-42?
The Yak-42 has a length of 36.38 m (119 ft 4 in). This length accommodates a spacious cabin, adequate cargo capacity, and optimal weight distribution for efficient flight.
In summary, the specifications of the Yakovlev Yak-42, including its maximum takeoff weight, cruising speed, range, wingspan, height, and length, are carefully designed to meet the demands of medium-range passenger and cargo operations, ensuring safety, performance, and operational efficiency.
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Tips Related to “Yakovlev Yak-42 Specs”
The Yakovlev Yak-42 is a versatile and efficient medium-range passenger jet known for its reliability and low operating costs. By understanding and leveraging its specifications, pilots and airlines can optimize its performance and safety.
Tip 1: Consider the Maximum Takeoff Weight (MTOW)
The MTOW of 55,000 kg (121,254 lb) determines the maximum weight at which the Yak-42 can safely take off. Accurately calculating the MTOW, considering factors like passenger load, cargo weight, and fuel quantity, ensures compliance with safety regulations and optimal takeoff performance.
Tip 2: Optimize Cruising Speed
The Yak-42’s cruising speed of 810 km/h (503 mph) allows for efficient medium-range flights. Maintaining the optimal cruising speed, while considering factors like wind conditions and air traffic, minimizes travel time, reduces fuel consumption, and enhances overall operational efficiency.
Tip 3: Plan for Range Limitations
The Yak-42’s range of 3,150 km (1,957 mi) dictates its operational reach. Careful planning of flight routes, considering stopovers for refueling if necessary, ensures the aircraft can complete its journey safely and without exceeding its range limitations.
Tip 4: Understand Wingspan Implications
The Yak-42’s wingspan of 28.81 m (94 ft 6 in) affects its stability, lift generation, and aerodynamics. Pilots must be aware of the aircraft’s handling characteristics and adjust their flight controls accordingly, especially during maneuvers and in different weather conditions.
Tip 5: Consider Height Restrictions
The Yak-42’s height of 9.83 m (32 ft 3 in) may pose limitations in certain operational environments. Pilots should be aware of height restrictions at airports, obstacles along the flight path, and potential ground clearance issues during takeoff and landing.
Tip 6: Maximize Payload within Length Constraints
The Yak-42’s length of 36.38 m (119 ft 4 in) determines the aircraft’s passenger and cargo capacity. Optimizing the payload distribution within the available length ensures efficient weight and balance, maximizing the aircraft’s performance and safety during flight.
Tip 7: Leverage Technology for Monitoring
Modern Yak-42 aircraft often incorporate advanced avionics and monitoring systems. Pilots should utilize these technologies to monitor the aircraft’s performance, identify potential issues, and make informed decisions during flight, enhancing safety and operational efficiency.
By following these tips and thoroughly understanding the specifications of the Yakovlev Yak-42, pilots and airlines can harness its capabilities, optimize its performance, and ensure safe and efficient operations.
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Conclusion
In summary, the Yakovlev Yak-42 is a versatile and reliable medium-range passenger jet aircraft, renowned for its efficiency and operational capabilities. Its carefully designed specifications, including maximum takeoff weight, cruising speed, range, wingspan, height, and length, enable it to meet the demands of regional and medium-distance air travel.
Understanding and leveraging these specifications are essential for pilots and airlines to optimize the Yak-42’s performance and safety. By adhering to weight limitations, maintaining optimal cruising speeds, planning within range constraints, considering aerodynamic implications, addressing height restrictions, maximizing payload, and utilizing advanced monitoring systems, operators can harness the full potential of this aircraft.
The Yakovlev Yak-42 continues to play a significant role in regional air connectivity and cargo operations worldwide. Its versatility, efficiency, and proven track record make it a valuable asset for airlines seeking reliable and cost-effective solutions for medium-range air travel.