Helicopter Eurocopter AS350B3 Ecureuil Serial 3957 Register RA-04097 EC-JJB used by UTair Aviation ,Sky Helicopteros. Aircraft history and location Aircraft History EC-JJB Sky Helicopteros 2008-02Sky Helicopteros, noted Feb08 to RA-04097 RA-04097 UTair Aviation 2012-07-04UTair w/o 04jul12 4km from Lensk. 4 fatalities Send Updates Use APP to upload photo @ (optional) When Now? / / Send