Helicopter Eurocopter AS350B2 Ecureuil Serial 3933 Register 18306 F-OISD used by Eurocopter Southeast Asia ESEA. Aircraft history and location Aircraft History F-OISD Eurocopter Southeast Asia Eurocopter Southeast Asia 18306 - 2019-02-06 A VTPN accident Royal Rainmaking and Agricultural Aviation Department w/o at Nakhon Sawan Airport Send Updates Use APP to upload photo @ (optional) When Now? / / Send