Second prototype of Su-30SM, December 2012. Darkgrey painting scheme, low visibility bort numbers.
Since May 2014 black numbers with white outline (56, 57).
Since May/June 2015 red numbers with white outline (54, 56).
Second airplane for Domna T10MK5-08 #02 were delivered in November 2013, first operational flight 6th December 2013.
Finally in classic camouflage. Stars without blue outline is not an mistake: they are already painted!
Drawing is almost accurate due to only few photos I've seen in time.
June 2014, KADEX exhibition in Astana, Kazakhstan. Russian Su-30SM with red numbers.
July 2014, first Su-30SM for Russian Navy. Upper surfaces: lightgray, lower: three-tone camouflage.
Since June 2018 new lettering is used. Markings on tail (BKC России) mean Воздушно-космические силы Вооружённых сил Российской Федерации [Air and Space Forces of the Armed Forces of the Russian Federation], established in 2015.
Su-30SM from 14th Guards Fighter Air Regiment @ Kursk, 2018.