Mikhail Selyankin was born in 1918.

He graduated from Chuguyevskoye VAUL flight school in 1940.

When Germany invaded the Soviet Union on 22 June 1941, mladshiy leitenant Selyankin served in 9 IAP-ChF, which was part of the Air Force of the Black Sea Fleet. This unit was equipped with Polikarpov I-15bis.

He was posted from 9 IAP-ChF in January 1942 when he was posted to 3 IAP-ChF.

In July 1942, he was posted from 3 IAP-ChF back to 9 IAP-ChF.

In December 1942, he was posted from 9 IAP-ChF to 6 GIAP-ChF.

On 1 April 1944, starshiy leitenant Selyankin was killed in air combat.

At the time of his death, Selyankin was credited with 1 biplane victory and a total of 3.
These had been claimed in 211 combat missions (as of 23 July 1942).

Claims:

Kill no.	Date	Time	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1941
1	08/10/41		1	Bf 109	Destroyed	I-15bis		Air Force of the Black Sea Fleet	9 IAP-ChF
	1943
2	21/03/42		1	Ju 87	Destroyed	Yak-1		Air Force of the Black Sea Fleet	6 GIAP-ChF
	1944
3	21/03/42		1	Bf 109	Destroyed	Yak-1 or Yak-9		Air Force of the Black Sea Fleet	6 GIAP-ChF

Biplane victories: 1 destroyed.
TOTAL: 3 destroyed.

Sources:
All aces of Stalin 1936-1953 – Mikhail Bykov, 2014
Soviet Aces 1936-1953
Soviet Fighter Pilots 1936-1953 - Mikhail Bykov