hat
te vèsyon an dezyèm (ki gen wingtips awondi ak nouvo AIRFOIL) flewn janvye 7, 1928 pa pilòt tès M.Gromov, ak te resevwa yon Rating pi wo.
eng
The second version (with rounded wingtips and new airfoil) was flewn January 7, 1928 by test pilot M.Gromov, and got a highest rating.