
The Jeju Air plane that crashed in southwestern South Korea was a Boeing 737-800, a model that is used widely around the world. There are about 28,000 passenger planes in service globally, according to Cirium, an aviation data provider. About 15 percent, or 4,400, are Boeing 737-800s. The plane belongs to the company’s Next-Generation 737 family of jets, the precursor to the more modern 737 Max, which was involved in two fatal accidents more than five years ago that led to a global grounding of the Max fleet. Nearly 200...