Heinkel HE 1
The Heinkel HE 1 ( aka Caspar S 1 ) was a two-seat , low-wing monoplane floatplane , designed in 1921 by German designer Ernst Heinkel at Caspar-Werke . 
<triplet> Heinkel HE 1 <subj> German <obj> country <subj> Ernst Heinkel <obj> designed by <subj> Caspar-Werke <obj> manufacturer <triplet> Ernst Heinkel <subj> German <obj> country of citizenship <triplet> Caspar-Werke <subj> German <obj> country