First flight of the NASA/ARMY RSRA/S-72 in the pure helicopter configuration
Tuesday, October 12, 1976
- Wallops Flight Test Center, United States of America 
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Description
Flown from Wallops Island to Moffett Field. Source: Robb, Raymond L. "Hybrid Helicopters: Compounding the Quest for Speed". Vertiflite, Summer 2006. Published by AHS International. Page 50.
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