Boeing # B737 "Next Generation" • All Series

737NG or 737 Next Gen, is the name given to the −600/-700/-800/-900 series of Narrow-body jet airliner and Business jet • Manufacturer Boeing Commercial Airplanes • First flight February 9, 1997 • Introduction December 1997 with Southwest Airlines • Status In service • Produced 1996–present • Number built 6,982 as of December 2018 • Unit cost (2018 US$ million) -700: $85.8; -800: $102.2; -900ER: $108.4 • Developed from Boeing 737 Classic • Developed into Boeing 737 MAX