Gade pasaj ki anba a epi reponn kesyon an apre nan menm lang ak pasaj la:  Vladimir Mikhailovich Petlyakov (Russian) (15 jen 1891 <unk> 12 janvye 1942) se te yon enjenyè aeronautik Sovyetik.  Kesyon: Ki lè Vladimir te fèt?
15 jen 1891