description Boeing 737 Classic Overview
The Boeing 737 Classic is a family of narrow-body commercial airliners comprising the -300, -400, and -500 models. Entering service in 1984, this second-generation 737 series marked a significant upgrade by introducing high-bypass CFM56 turbofan engines to replace the original JT8D powerplants, reducing fuel consumption and noise. The Classic family was widely adopted by airlines for short- to medium-haul routes before being succeeded by the Next Generation 737 models.
help Boeing 737 Classic FAQ
What aircraft are included in the Boeing 737 Classic family?
The Boeing 737 Classic family consists of the 737-300, 737-400, and 737-500. These models are the second-generation 737 series and use CFM56 turbofan engines.
When did the Boeing 737-300 enter service?
The 737 Classic entered airline service in 1984 with USAir. It introduced the CFM56 engine, replacing the low-bypass engines used by earlier 737 models.
What is the difference between the 737-300 and 737-500?
The 737-300 is the larger standard model, while the 737-500 is a shorter version designed for lower-capacity routes. Both belong to the same Classic generation and share the CFM56 engine family.
Which aircraft replaced the Boeing 737 Classic?
The Boeing 737 Next Generation family, including the 737-600, 737-700, 737-800, and 737-900, followed the Classic series. The 737 NG added a redesigned wing, updated cockpit systems, and more efficient CFM56-7B engines.
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