Helicopter Bell 206A Serial 185 Register N11DT N4021G used by Bell Helicopter. Built 1968. Aircraft history and location Aircraft History N4021G Bell Helicopter Bell 206A cn185 ff:? reg Bell Helicopters as N4021G, unk xfer US as N4021G, unk N11DT - xfer US as N11DT, unk reg canx unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send