B757 Undifferentiated or Other Model
Flight Crew Last 90 Days 230; Flight Crew Total 13000; Flight Crew Type 4000
Inflight Event / Encounter Wake Vortex Encounter
Flight Crew Regained Aircraft Control
Environment - Non Weather Related
Ten minutes after passing TOPPS; flying direct to OYSTR in level flight; FL390; M.80; clear of clouds; encountered wake turbulence. Preceding A330 was 10 miles ahead; slightly left of our track proceeding to STEAM; FL390. Wind was approximately 65 knots; left quartering tailwind. Incurred approximately 2-3 seconds of light turbulence then aircraft started rolling hard left. Just prior to receiving 'BANK ANGLE; BANK ANGLE' alert; disconnected autopilot and manually rolled back wings level. Aircraft bank exceeded 45 degrees but unsure of actual bank angle. (No horizon reference available). No loss of altitude and no damage to aircraft. No injuries to crew or passengers. No further encounters.
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B757 flight crew reported wake vortex encounter from a preceding A330 at FL390 that resulted in a 45 degree roll to the left.