October the 12th
Going back to 1976... The NASA/U.S. Army rotor systems research aircraft produced by Sikorsky as the S-72 made its first flight. (F&F) To learn more about the S-72, click here.
I really benefited from sharing the known on RSRA from Sikorsky archives here, it is a very good source of information for further reading.
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About Me
- AICHA EUGENE
- Aicha Eugene is a Mechatronics Engineering student at JKUAT in Kenya. He is also a student member of the SAE.
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