Alexandr Vasilievich Oborin was born in 1908. He served in the red Army since the year 1929. He fought on the Eastern fronts since July 1941. He flew on I-16, Yak-1, Yak-7 and finally on P-39. He destroyed Bf-109 by his first taran in Yak-1 in September 1942. His second taran in P-39 on August 7, 1944 was his last – he hit He-111 and was killed in age of 36, that time as a commander of 438 iap (air fighter regiment) belonged to 205 iad (air fighter division). He was posthumously awarded Hero of Soviet Union on April 10, 1945.
According to M. Bykov he achieved 13 individual and 13 shared victories.



White diagonal stripe and blue propeller spinner was the fast recognition marking for 438 iap (renamed to 212 giap on Nov 27, 1944).

A.V. Oborin, commander of 438 iap, photographed on his Airacobra, spring 1944:



Another photo from vif2ne.ru/nvi/forum/0/0.htm:



Adjusted number „5“ from the photo above, the perspective is removed in PC:



This photo from http://rgakfd.altsoft.spb.ru/showObject.do?object=1806228408 is dated on the year 1943, and white diagonal stripe is already on the tail:



Blue color on the spinners of the 438 iap Cobras could have been the light blue like on the spinners of the Cobras from 30 giap http://lend-lease.airforce.ru/english/photogallery/30giap/page_06.htm (note yellow number 93 vs. light blue spinner):



Let me thank to KL and Massimo from sovietwarplanes.com and Alex and Owl-99 from VIF for their comments and help.






References and sources of the photos:
vif2ne.ru/nvi/forum/0/0.htm (VIF)
www.sovietwarplanes.com/board
www.airaces.narod.ru