Citation V/Ultra/Encore (C560)
Flight Crew Instrument; Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP)
Confusion; Distraction
Conflict NMAC
Air Traffic Control Provided Assistance; Flight Crew Requested ATC Assistance / Clarification
Environment - Non Weather Related; Airspace Structure
At 12;000 ft cruise I along with my copilot observed a drone at same level fly by pilot side window 100 ft from aircraft. Jacksonville center was advised of situation.
CE560 Captain reported a near miss with a UAV.