Starshiy Leytenant F. M. Fatkulin served in the 3rd eskadrilya of 49 IAP during the Winter War in 1939-40. This unit was at the time equipped with Polikarpov I-153s.

At 16:00 on 20 January 1940, kapitan I. I. Popov, kapitan Aleksey Korochantsev and starshiy leitenant Fatkulin of the 3rd eskadrilya of 49 IAP claimed two shot down Finnish Fokker C.Xs 2-3km south-east of Nietjärvi.
These losses can’t be verified with Finnish records.

Fatkulin ended the war with 2 shared biplane victories.

Claims:

Kill no.	Date	Time	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1940
	20/01/40	16:00	1/3	Fokker C.X (a)	Destroyed	I-153		2-3km SE Nietjärvi	3/49 IAP
	20/01/40	16:00	1/3	Fokker C.X (a)	Destroyed	I-153		2-3km SE Nietjärvi	3/49 IAP

Biplane victories: 2 shared destroyed.
TOTAL: 2 shared destroyed.
(a) Claim can’t be verified with Finnish records.

Sources:
All aces of Stalin 1936-1953 – Mikhail Bykov, 2014
Red Stars 7 - Talvisota Ilmassa - The Winter War In the Air - Carl-Fredrik Geust, 2011 Apali Oy, Tampere, ISBN 978-952-5877-04-5
Soviet Aces 1936-1953
Soviet Fighter Pilots 1936-1953 - Mikhail Bykov