Helicopter Bell OH-13S Sioux Serial 4002 Register ES712 used by Elliniki Aeroporia Stratou HAA (Hellenic Army Aviation). Aircraft history and location Aircraft History ES712 Elliniki Aeroporia Stratou 1971-02-18Hellenic Army FMS 69-19620 d/d 18feb71 f/f 08mar71 as ES712 Send Updates Use APP to upload photo @ (optional) When Now? / / Send