FSX Bell 206 ZK-TWK On Floats. A repaint for the payware DodoSim Bell 206 floats model. This color scheme was released around 1972 by the Bell Helicopter Company in a promotional brochure showing it flying over New York City. Late in 1973 the author built and flew a 5 foot rotor span radio controlled model in these colors and successfully flew it for several years. It was featured on television and local newspapers during that time. By Warren King.