Rubuta ci gaba ga wannan sakin layi - IAP na 19 ya koma gundumar soja ta Leningrad a watan Oktoba, kuma tsakanin 30 ga Nuwamba 1939 da 13 ga Maris 1940 ya yi yaƙi a Yakin hunturu
a kan Finland a matsayin wani ɓangare na 54th Fighter Aviation Brigade na VVS 7th Army na Arewa maso Yammacin Front. Da farko ya hada da rukuni uku na I-16s da kuma rukuni na I-15bis; an canja shi zuwa arewa a tsakiyar watan Disamba kuma an maye gurbinsa da sabon I-16 da ke dauke da 4th Aviation Squadron a farkon watan Janairu. A lokacin yakin, an ba da izini ga rundunar da ta tashi 3,646 sorties, ta saukar da jirgin sama na Finnish guda uku a cikin yaƙin iska da lalata biyu a ƙasa, da injinan injuna 74 da motocin jirgin ƙasa 150 da aka lalata a hare-haren ƙasa; bai yi asara ba. Don "aikin misali na ayyukan yaƙi", an ba IAP na 19 lambar yabo ta Red Banner a ranar 11 ga Afrilu.