Summary Draft 2

The CFM56 is a family of high-bypass turbofan aircraft engines produced by CFM International, a 50/50 joint company between Safran Aircraft Engines and GE Aerospace (CFM International, 2024). As the widely known Airbus and Boeing companies continuously develop different aircraft models over the years, the CFM company would also have to address the needs and challenges of each plane model. The CFM company has produced several variants in its engine family to cater to the needs of such airplanes including the military. Each one of the variants is a better, more updated version of its predecessor. A high-bypass turbofan engine has a large amount of air passing through the core of the engine instead of through the engine's combustion chamber, hence the name, high-bypass. This makes the engine more efficient than its low-bypass counterpart as it consumes less fuel, producing lesser emissions which makes it a preferred choice for commercial airlines (One Monroe Aerospace, 2023). According to CFM International (2024), the CMF56 has accumulated over 1 billion flight hours, over 33000 engines delivered, and serving over 600 operators, the CFM56 has established itself as the benchmark for single-aisle commercial jet engines. Its success is attributed to its outstanding reliability and performance. The engine also achieves a 94% utilization rate and a dispatch reliability rate of 99.96%. This means that the CFM56 encounters one delay or cancellation for every 2500 flights (Levingston, 2019).

I feel that the CFM56 has proven itself to be a cornerstone in modern aviation history. Even though it is not the most advanced engine that is available today, it has built an excellent reputation based on its reliability, versatility, and longevity.



[References]


CFM International (2024). CFM56 - CFM International Jet Engines CFM International https://www.cfmaeroengines.com/engines/cfm56/ 


Chelsey Levingston (2019, June 4). 1 Billion Flight Hours: “World-class experience” builds 15,000th CFM56-7B engine https://www.geaerospace.com/news/articles/manufacturing-paris-airshow-people-product/1-billion-flight-hours-world-class-experience 


One Monroe Aerospace. (2023, December 1). Low vs High Bypass Turbofan Engines: What’s the Difference? https://monroeaerospace.com/blog/low-vs-high-bypass-turbofan-engines-whats-the-difference/ 


CFM International CFM56 - Wikipedia (n.d) https://en.wikipedia.org/wiki/CFM_International_CFM56#cite_note-cfmstory-2

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