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Sikorsky's Experimental Aircraft
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25th Feb 2020, 15:28
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SASless
Join Date: May 2002
Location: Downeast
Age: 75
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Progress in the helicopter world is an interesting tale.
Think back to the Cessna single piston engine "Sky Hook" that was certified for IFR flight by the FAA a very long time ago... and where are we today on that?
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