The Boeing 737 MAX 8 was the first variant built in Boeing’s popular yet problem-ridden Boeing 737 MAX series, and it represents the latest evolution of the manufacturer’s next-generation fleet of narrowbody jets. The aircraft was initially designed to serve as a replacement for the popular Boeing 737-800, and it features a longer fuselage than the smaller Boeing 737 MAX 7 variant. The plane was designed as a replacement for the popular Boeing 737-800, although it would be capable of carrying more passengers and improving efficiency.