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Did You Know All Of These Jets Can Be Flown With 1 Type Rating?

Evolution of the Boeing 737 Bryan Burke

The Boeing 737 is the best-selling airline jet in history. It's been flying for nearly a half century, and with over 8,000 aircraft delivered since 1967, you're bound to see one at nearly every major airport in the world.

And, it only takes 1 type rating to fly every 737 version in Boeing's lineup. So go head, check out how far the 737 has come, and how it's changed over its 47 year history.


The 737-100 was the first model, and it rolled down the runway for the first time in 1967. It was the smallest 737, and only 30 were produced. Want to see the original prototype? Check it out at the Museum of Flight in Seattle, WA.

737-100 Eduard Marmet


The 737-200 followed just a few months behind the -100 version. It featured an extended fuselage, better aerodynamics and more powerful engines.

737-200 Eduard Marmet


The 737-300 was the beginning of the "Classic" series. The -300 launched in 1981, and was the first version to use high-bypass engines. Because of its relatively short landing gear, the engine cowlings were flattened on the bottom to provide enough clearance for takeoff and landing.

737-300 MilborneOne


The 737-400 launched 4 years later, and was a stretched version of the -300.

737-400 CC-BY


The 737-500 was the last of the "Classic" versions. It launched in 1987, and was designed as a replacement to the -200 model. This meant it was actually shorter than it's predecessor, the 737-400.

737-500 Adrian Pingstone


The 737-600 was the first of the "Next Generation" 737s, meant to compete directly with the Airbus A320 family. It was also designed to replace the DC-9. The 737-600 is the only variant still in production that doesn't offer a winglet option.

737-600 Bastiaan


The 737-700 was designed to replace the -300 model, and designed to directly compete with the Airbus A319.

737-700 Arpingstone


The 737-800 is a stretched version of the -700, and was built to fill the gap made when the MD-80 and MD-90 were discontinued.

737-800 Paul Spijkers


The 737-900/900ER is the largest and most powerful variant of the 737 line. It was designed to match the range and passenger capacity of the discontinued 757-200.

737-900ER Paul Spijkers

Boeing Business Jet (BBJ)

Do you want a living room in your airplane? The BBJ was designed just for that. The BBJ was built on the 737-300 airframe, and it has space for you and all of your friends.

BBJ 2 Arpingstone
BBJ Interior Boeing

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Colin Cutler

Colin is a Boldmethod co-founder, pilot and graphic artist. He's been a flight instructor at the University of North Dakota, an airline pilot on the CRJ-200, and has directed development of numerous commercial and military training systems. You can reach him at

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