Russo-Baltic Waggon Works
The large Russian engineering company, Russo-Baltic Waggon Works, based at St Petersburg, was only partly concerned with aircraft production. It was responsible for the construction of the ll'ya Muromets series of four-engined bombers, designed by Igor Sikorsky, which equipped Russia's Eskadra Vozdushnykh Korablei (Squadron of Flying Ships) in First World War. Largest of the series was the Type IMYe2, with a wingspan of 34.50m and a gross weight of 7,000kg. The Sikorsky S-16 reconnaissance biplane was also built.