In early 1912, Igor Sikorsky became Chief Engineer of the aircraft division for the Russian Baltic Railroad Car Works (Russko-Baltiisky Vagonny Zavod or R-BVZ) in Saint Petersburg.
U proljeće 1912., Igor Sikorsky postao glavni inženjer u odjelu zrakoplovstva Ruskog Baltičkog željezničkog zavoda (Russko-Baltiisky Vagonny Zaved ili BVZ-R) u Sankt-Peterburgu.