YH-41 Seneca
History's Unique AircraftThat Time Cessna Made a Helicopter
In the 1950s, Cessna acquired Seibel Helicopter Co. and began work on the CH-1 Skyhook.
Jason McDowell![](https://www.flyingmag.com/uploads/2023/08/CH-1-Opening-Shot-Retouched-Cessna.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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