The Boeing 737 is one of the most iconic and widely used commercial aircraft in aviation history. Introduced in 1968, this narrow-body, twin-engine jetliner has undergone numerous upgrades and iterations, including the popular 737-800 and 737 MAX series. Known for its versatility, the 737 can accommodate approximately 85 to 230 passengers, depending on the model and configuration. It’s renowned for its reliability, fuel efficiency, and cost-effectiveness, making it a favorite among airlines for both short-haul and medium-haul routes.