Air America used them during the Vietnam war. Army owned some. Air Force too. I remember flying into Spartanburg SC once in the 70s and there were 4-5 parked there, may have been a dealer, I dunno. Looked like Helios, may have been something else.
There is/was an airport near there that is the home of an international missionary group. When I was racing sailplanes out of Chester, people would occasionally land out there and would come back with tales of multiple STOL craft and Helios in particular. Can’t recall the name or find it on the Sectional but it has been profiled in the mags back in the 80s - 90s. Anybody know?
BTW, though I love tail draggers especially on something like a Helio, the trike configuration makes more sense.... and less badassedness.
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