Boeing 737

The Boeing 737 is a narrow-body airliner and the best-selling commercial jetliner in history. First flown in 1967, the 737 has been continuously manufactured for over 57 years, with more than 12,000 aircraft delivered and over 4,000 orders pending. The family has evolved through four generations: Original, Classic, Next Generation (NG), and MAX, each offering improved efficiency and capability while maintaining high commonality.