Boeing 737 MAX 8 vs. Douglas DC-8

The Boeing 737 MAX 8 is a narrow-body, twin-jet aircraft, and the upgraded version of the Boeing 737-800 from the NG family. As of 2023, over 1100 737 MAX jets are in service, with the majority of them being MAX 8s. The very first MAX 8 was delivered to Malindo Air in May of 2017. The state-of-the-art jet offers airlines a modern and versatile option for short to medium-haul routes.

A 20-month grounding interrupted deliveries after two fatal crashes traced to the programming of the Maneuvering Characteristics Augmentation System (MCAS). Now restored with multiple software fixes and training revisions, the 737 MAX series retains strong market demand for economical medium haul flight connectivity globally.

With a length of 129.7 feet (39.5 meters) and a wingspan of 117.8 feet (35.9 meters), the 737 MAX 8 is adept at accommodating the operational needs of both large international airports and smaller regional terminals. It is designed to seat up to 178 passengers, striking a balance between capacity and passenger comfort. The aircraft is powered by two CFM International LEAP-1B engines, each capable of producing 29,300 lbf of thrust (130.0 kN), totaling 58,600 lbf (260.0 kN). This power, combined with a fuel capacity of 6,816 US gallons (25,800 liters), enables the 737 MAX 8 to cover a range of 3,548 nautical miles (6,570 kilometers). The upgraded LEAP-1B turbofans contribute 20% fuel savings thanks to lighter composite designs. Re-engineered tail sections and wing tips further boost efficiency.

The 737 MAX 8 is rivaled by the Airbus A320neo. These two are arguably the most capable and efficient airliners for the modern medium haul market. The airlines with the most MAX 8s include Southwest Airlines, American Airlines, United Airlines. Other carriers include Flydubai, Aeromexico, Air Canada, and TUI Group. With future rate increases slated as demand persists, the MAX 8 remains well-positioned as sub 180-seat workhorse growing the 737 legacy.

The Douglas DC-8, is a long-range, narrow-body jet airliner developed by American Douglas Aircraft Company. Introduced in the mid-1960s, the DC-8 was among the first generation of commercial jetliners, marking a significant transition in air travel from propeller-driven to jet-powered aircraft. This model was developed during a period of rapid advancement in aviation technology, driven by the growing demand for faster and more efficient air travel.

The DC-8's design features a length of 57.1 meters (187.3 feet), which, at the time of its introduction, was one of the longest for any airliner. This length, coupled with a wingspan of 45.2 meters (148.4 feet), reflects the aircraft's capacity to handle long-haul routes, a key requirement during the jet age's early years. The DC-8's size was a response to the airline industry's needs for greater passenger capacity and range. Equipped with four Pratt & Whitney JT3D turbojet engines, the DC-8 could achieve a total thrust of 320.0 kN (36,000 lbf). This power output was instrumental in enabling the aircraft to reach a range of approximately 5,900 kilometers (3,186 nautical miles), making it suitable for transcontinental and transatlantic routes. The DC-8's speed and range capabilities were significant advancements at the time, contributing to the reduction of travel times on international routes.

The cabin of the DC-8 was designed to seat around 220 passengers in a typical two-class configuration with six seats across. This capacity allowed airlines to transport more passengers per flight compared to earlier propeller-driven airliners, significantly increasing operational efficiency. The interior of the DC-8 was designed with comfort in mind, offering features that were considered state-of-the-art during its era.

In the commercial aviation market, the Douglas DC-8 competed with the other early quadjet, the Boeing 707. The introduction of the DC-8 was part of the broader trend towards jet-powered air travel, which revolutionized the airline industry by offering faster and more comfortable flights over longer distances. Airlines that operated the DC-8 were United Airlines, Delta Air Lines, Thai Airways, and Pan American World Airways. The DC-8's operational role was marked by its ability to serve long-haul routes with improved efficiency and speed, a factor that contributed significantly to the growth of global air travel during the 1960s and 1970s. The DC-8 was produced until 1972, with 556 aircraft built. As the model aged out, it was superseded by larger wide-body Douglas' DC-10 trijet.