The 737-400 was launched in 1985 to fill the gap between the 737-300 and the 757-200. In June 1986, Boeing announced the development of the 737-400, [61] which stretched the fuselage a further 10 feet (3.0 m), increasing the capacity to 188 passengers, and requiring a tail bumper to prevent tailstrikes during take-off and a strengthened wing ...

波音737-400型是波音737-300飞机的加长型号，1985年开始研发，它和波音757型一起承担了波音727系列退役后留下的市场，主要迎合包机航空服务的需要。 1998年，最后一架737-400交付给捷克航空。

Stretched by 10 ft (3.05 m), the 737-400 entered service on September 15, 1988. The 737-400 design was launched in 1985 to fill the gap between the 737-300 and the 757-200, and competed with the Airbus A320 and McDonnell Douglas MD-80. It stretched the 737-300 another 10 ft (3.05 m) to carry up to 188 passengers. [12]

The Boeing 737-400 Is a remarkable aircraft and was one of the great innovations of Boeing, increasing capacity yet keeping a relatively small and economic size. Announced in 1986, it is a twin-engine, short to medium range aircraft that has a capacity of 189 passengers.

The new aeroplane, the 737-400, was developed as a 150 seat class 727 replacement. Although Boeing had initially developed the 180 to 200 seat 757 to replace the successful 727, there still existed a considerable market for a near direct size replacement for the popular trijet.

737-400于1985年设计并推出，用来弥补737-300和757-200之间的空白，与空客a320、麥道md-80为竞争关系。它在737-300的基础上机身加长了3.5米，最大载客量达到了188人。

Feb 13, 2025 · Explore the differences between Boeing 737-400 vs 737-800, covering specs, performance, and operational insights.

The Boeing 737-400 is a member of the 737 Classic series, offering versatility for short- to medium-haul flights. It accommodates up to 188 passengers in a single-class configuration or fewer in a two-class layout. Known for its reliability and proven performance, it has served airlines worldwide in both passenger and cargo operations.

Nov 4, 2021 · According to data from ch-aviation.com, there are 74 examples of the Boeing 737-400 (across 31 operators) that are still active worldwide today. Of these, 20 are registered in the US, with charter carrier iAero Airways being the dominant operator.

波音737-400飞机为波音737-300飞机的加长型号，1985年开始研发，主要配合包机航空服务的需要。 皮埃蒙特航空是波音737-400飞机的启动客户，于1986年订购25架，首架波音737-400飞机于1988年投入服务。