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Boeing 707-320 vs. Boeing 767-400ER

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707-320

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767-400ER

Price (USD)
$5 Million$115 Million
First Flight
19572000
Body Type
Narrow-bodyWide-body
Length
46 m152 ft
61 m201 ft
Wingspan
44 m145 ft
51 m170 ft
Wing Area
283 m²3,046 ft²
290 m²3,129 ft²
Fuselage Width
3 m12 ft
5 m16 ft
Height
12 m42 ft
16 m55 ft
Max Takeoff Weight
152,000 kg335,103 lbs
204,100 kg449,963 lbs
Number of Engines
42
Engine Options
Pratt & Whitney JT3DGeneral Electric CF6 / Pratt & Whitney 4000
Max Thrust Per Engine
85 kN19,000 lbf
270 kN60,600 lbf
Max Total Thrust
340 kN76,000 lbf
540 kN121,200 lbf
Fuel Capacity
90,300 l23,855 gal
90,700 l23,960 gal
Range
5,400 km2,916 nm
10,400 km5,616 nm
Cruise Speed
890 km/h553 mph
850 km/h528 mph
Typical Seating
137 pax296 pax
Max Seating
219 pax375 pax

What Are the Differences Between the Boeing 707-320 and Boeing 767-400ER

Boeing 707-320 vs Boeing 767-400ER Size Comparison

  • At 61.40 meters, the Boeing 767-400ER is 14.80 meters longer than the Boeing 707-320.
  • With a wingspan of 51.90 meters, the Boeing 767-400ER is 7.50 meters wider from wingtip to wingtip.
  • The Boeing 707-320 and Boeing 767-400ER have heights of 12.80 meters and 16.90 meters respectively - making the Boeing 767-400ER 4.10 meters taller.

Boeing 707-320 vs Boeing 767-400ER Range

  • Boeing 767-400ER’s range of 10,400 kilometers is greater than Boeing 707-320’s range of 5,400 kilometers. Therefore, the Boeing 767-400ER can fly nonstop approximately 5,000 kilometers further.
  • The Boeing 767-400ER can hold 23,960 gallons of fuel, which is 105 gallons more than the Boeing 707-320’s tank capacity of 23,855 gallons.

Boeing 707-320 vs Boeing 767-400ER Seating

  • In a typical seating configuration, the Boeing 767-400ER can accommodate 296 passengers, which is about 159 passengers more than Boeing 707-320’s seating capacity.
  • The Boeing 767-400ER’s max seating capacity is 375 passengers, compared to 219 passengers of the Boeing 707-320.

About the Boeing 707-320

Introduced in 1957, the Boeing 707-320 is a significant aircraft in the history of commercial aviation, marking Boeing's venture into the jetliner market. As a narrow-body, long-range airliner, the 707-320 played a pivotal role in the jet age, revolutionizing air travel with its speed and range capabilities.

The 707-329 is 46.6 meters (152.9 feet) long, and 44.4 meters (145.7 feet) from wing tip to wing tip, making it one of the larger aircraft of its time. Its design accommodates a typical seating arrangement for 137 passengers. Equipped with four engines, the 707-320 delivers a total thrust of 340.0 kN (76,000 lbf). Its fuel capacity of 90,300 liters (23,855 US gallons) contributes to a range of 5,400 kilometers (2,916 nautical miles). With a cruise speed of 890 km/h (553 mph), the 707-320 was known for reducing travel times significantly compared to propeller-driven aircraft, making it popular for transatlantic routes. Its cockpit required three crew members: a pilot, copilot, and flight engineer.

In the commercial aviation sector, the Boeing 707-320 competed with aircraft like the Douglas DC-8. Its introduction was a major step forward for Boeing, establishing the company as a leader in the jetliner market. The 707-320's ability to cover long distances quickly and efficiently made it a preferred choice for airlines expanding their international operations. Airlines such as Pan American World Airways, TWA, and Lufthansa operated the Boeing 707-320, utilizing its capabilities to offer faster, more comfortable international flights. The aircraft's role in expanding the global reach of air travel was significant, contributing to the growth of the airline industry and the accessibility of air travel.

The Boeing 707-320's legacy is marked by its contribution to the evolution of commercial aviation. Its development and success paved the way for future generations of jetliners, setting new standards in speed, range, and passenger experience. Though its era has passed, the 707-320 remains an iconic symbol of the jet age, a period that transformed air travel and connected the world in ways previously unimaginable.

About the Boeing 767-400ER

The Boeing 767-400ER is an advanced, wide-body aircraft developed by Boeing as part of the evolution of the 767. Introduced at the beginning of the 21st century, this variant is an extension of the popular 767 family, designed to address the increasing demands of the airline industry for higher capacity and extended range.

As a later addition to the 767 series, the -400ER variant built upon the established reputation of its predecessors by offering enhancements in both size and performance. The development and subsequent introduction of this model into the commercial market were part of Boeing's strategic response to the competitive dynamics of the aviation industry. The 767-400ER's production started in the late 1990s, with the aim of providing airlines with an aircraft that combined operational efficiency with increased passenger capacity.

The aircraft measures 61.4 meters (201.3 feet) in length, featuring an extended fuselage to accommodate more passengers. The wingspan of the 767-400ER is 51.9 meters (170.3 feet), and it has a wing area of 290.7 square meters (3129.1 square feet). These dimensions contribute to the aircraft's aerodynamic efficiency, particularly important for long-distance travel. Equipped with a choice of General Electric CF6 or Pratt & Whitney 4000 series engines, the 767-400ER offers robust performance with a total maximum thrust of 540.0 kN (121,200 lbf). This thrust capacity, combined with a fuel storage of 90,700 liters (23,960 US gallons), enables the aircraft to cover a range of about 10,400 kilometers (5,616 nautical miles), making it well-suited for extended-range operations.

In terms of passenger capacity, the typical layout of the 767-400ER seats up to 296 passengers, with a maximum capacity of 375 passengers in a high-density configuration. The cabin is generally arranged in a dual-class setup, featuring a standard 7 abreast, 2-3-2 seat arrangement in economy class.

Competing with the Airbus A330-200, the 767-400ER was introduced to provide airlines with a modernized option of the 767, balancing the familiar operational characteristics of its predecessors with the needs of contemporary long-haul travel. Notable airlines of the Boeing 767-400ER include Continental (United Airlines) and Delta Air Lines. The aircraft's combination of extended fuselage, increased passenger capacity, and range efficiency mark it as a significant evolution within the 767 family, catering to the specific requirements of modern commercial aviation. Only 37 units of the -400ER were ever produced.

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Values shown may not be 100% accurate, as some metrics are averages or only represent certain production years and configurations. Engine specs are based on the best options available.

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