Helicopter Sikorsky S-61B Serial 61-209 Register used by Mitsubishi (Mitsubishi Heavy Industries). Built 1963. Aircraft history and location Aircraft History n/a Mitsubishi 1963-11-27Sikorsky S-61B-2, cn 61-209, export to Mitsubishi in kit form, del Mitsubishi 27Nov63. Mitsubishi HSS-2 cn unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send