Helicopter Bell OH-13S Sioux Serial 4000 Register ES710 used by Elliniki Aeroporia Stratou HAA (Hellenic Army Aviation). Aircraft history and location Aircraft History ES710 Elliniki Aeroporia Stratou 1971-02-16Hellenic Army FMS 69-19620 d/d 16feb71 f/f 12mar71 as ES710 Send Updates Use APP to upload photo @ (optional) When Now? / / Send