Helicopter Bell 206A Serial 706 Register CH-555 N7991J used by Sri Lanka Air Force ,Bell Helicopter. Built 1969. Aircraft history and location Aircraft History N7991J Bell Helicopter Bell 206A cn706, ff:? reg Bell Helicopters as N7991J, 1969 CH-555 Sri Lanka Air Force xfer Sri Lanka Air Force as CH-555, 1969 conv Bell 206B-2, unk w/o unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send