Initially the flights were carried out mostly by the `` 1568th Polish Special Duties Flight '' of the Polish Air Force ( later renamed No. 301 Polish Bomber Squadron ) stationed in Bari and Brindisi in Italy , flying B-24 Liberator , Handley Page Halifax and Douglas C-47 Dakota planes .
Initially the flights were carried out by the `` 1568th Polish Special Duties Flight '' of the Polish Air Force ( later renamed No. 301 Polish Bomber Squadron ) stationed in Bari and Brindisi in Italy . They flew B-24 Liberator , Handley Page Halifax and Douglas C-47 Dakota planes .