boeing 737 classic
Boeing 737 Classic737 Classic modelsnarrow-body jetlineroriginal 737 seriescommercial aircraft history
The Boeing 737 Classic refers to the -300, -400, and -500 series, a highly successful and reliable family of narrow-body jetliners. These aircraft significantly evolved the initial 737 design, becoming a workhorse for airlines worldwide before being succeeded by the 737 Next Generation.