St Croix Excelsior
The St Croix Excelsior is an American ultralight aircraft that was designed by Chad Wille and Charles Wille , produced by St Croix Aircraft of Corning , Iowa and first flown in 1980 . 
<triplet> St Croix Excelsior <subj> American <obj> country <subj> 1980 <obj> first flight <triplet> St Croix Aircraft <subj> American <obj> country <triplet> Corning, Iowa <subj> American <obj> country