 The RWD-9 was designed specially for the purpose of competing in the "IVth Challenge de Tourisme International" to be held in Warsaw during August–September 1934 .It was constructed by Stanisław Rogalski and Jerzy Drzewiecki of the RWD team in the DWL workshops in Warsaw.To meet new contest regulations, the new plane was designed as four-seater, with increased mass and engine power and yet better STOL capabilities.