Grigorovich MK-1

The Grigorovich MK-1 (MK - Morskoi Kreiser - sea cruiser) was a large trimotor floatplane, built and tested in Imperial Russia in 1916.

Grigorovich MK-1

The Grigorovich MK-1 (MK - Morskoi Kreiser - sea cruiser) was a large trimotor floatplane, built and tested in Imperial Russia in 1916.