Garrett AiResearch
JetsBusiness Aviation’s Workhorse Engine Marks Its 50th Birthday
Honeywell’s TFE731 turbofan helped define the business jet category in the early 1970s.
Jonathan Welsh![](https://www.flyingmag.com/uploads/2022/08/shutterstock_562217311.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
![](https://www.flyingmag.com/uploads/2022/09/Pilot-and-copilot_adobe-stock-rs.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
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