Newspaper “Acțiunea” , Galați – 16 Sep. 1936
Planes of the Romanian aviators crash
Pilot plt. adj. Damian Dumitru crashed at Buzău with his Hawk plane from 1000 m. Several days before, still at Buzău, Slt. Gh. Constantinescu crashed in the same conditions, with a training plane.
Out of 12 Hawk planes owned by the Romanian aviation for practice, 4 crashed.