Helicopter Eurocopter EC135P2+ Serial 0620 Register HS ACN HS-ACN used by Advance Aviation. Aircraft history and location Aircraft History HS-ACN Advance Aviation Advance Aviation HS ACN Advance Aviation 2008-02-20 A WSSS Singapore Airshow 2008 19-24feb08 Advance Aviation at Singapore Airshow Send Updates Use APP to upload photo @ (optional) When Now? / / Send