Aircraft n.2115 (the 15th MiG-3 ever built) was utilized for tests at NII-VVS from January 27 to February 26, 1941, flown
by the pilots captain A.G. Proshakov and A.G. Kochetklov.

Its characteristics look to be:

• early type, without slats;
• with radio;
• without panels of predisposition for underwing gun pods;
• painted green with light blue undersurfaces;
• red stars on wings undersurfaces and uppersurfaces, and probably on fuselage sides;
• white n.15 painted on the stabilizator, parallel to ground;
• light (blue?) pitot probe with silver end;
• black outlined red stars in six positions (wings and fuselage);
• silver propeller blades with partially black painted rear surface (as standard).