The RWD-11 was a six-passenger feeder-liner designed and built in Poland from 1932.
In 1932 the Polish ministry of Transport let it be known that they wanted a multi-engined feeder-liner to operate low frequency routes with challenging. Designer Zbysław Ciołkosz was given the task and his design resulted in the PZL.27. In addition to Ciołkosz's design DWL (Doświadczalne Warsztaty Lotnicze) started the design of a competitor, with support promised by the Ministry, hoping that their design would be superior and win orders in place of the officially sanctioned PZL.27.
Two airframes were built, with one intended for static testing, the low-wing cantilever monoplane was of mixed construction with a one-piece two-spar wooden wing, tapering in chord and thickness, covered with plywood forward of the mainspar and the under sides with fabric covering the rest. Four section Handley-Page automatic slats were fitted to the entire leading edges out board of the engine n