Helicopter Bell OH-13S Sioux Serial 4006 Register ES716 used by Elliniki Aeroporia Stratou HAA (Hellenic Army Aviation). Aircraft history and location Aircraft History ES716 Elliniki Aeroporia Stratou 1971-02-18Hellenic Army FMS 69-19626 d/d 18feb71 Send Updates Use APP to upload photo @ (optional) When Now? / / Send