raised concerns about maintenance costs and dispatch reliability.

Major design developments

The original 737 continued to be developed into thirteen passenger, cargo, corporate and military variants. These were later divided into what has become known as the four generations of the Boeing 737 family:
* The first generation "Original" series: the 737-100 and -200, also the military T-43 and CT-43, launched February 1965.
* The second generation "Classic" series: 737-300,

1.Previous
3.Next