Boeing 737 MAX

The Boeing 737 MAX represents the fourth generation of the Boeing 737, developed in response to a decision by Airbus to improve and re-engine its A320 family. Key to the development of the 737 MAX was the more efficient CFM LEAP-1B engine, which promised improvements in fuel consumption and operating costs. The 737 MAX, which is offered in four variants, first entered service in May 2017. By the end of 2018, 4,300 aircraft had been ordered by ninety-five airlines. However, two fatal inc