Flight Crew Air Transport Pilot (ATP); Flight Crew Flight Instructor; Flight Crew Instrument; Flight Crew Multiengine
Flight Crew Last 90 Days 50; Flight Crew Total 16800; Flight Crew Type 1000
Aircraft Equipment Problem Less Severe; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Air Traffic Control Issued New Clearance; Aircraft Equipment Problem Dissipated; Flight Crew Diverted; Flight Crew Landed in Emergency Condition
Aircraft
Approximately 5 minutes after level off at FL370; noticed smoke emanating from the area behind the Captain's chair. Initiated immediate descent; donned oxygen mask; informed ATC of problem and requested lower altitude.Passing FL250 during descent; the smoke abated. Continued descent to 12000 ft and proceeded to ZZZ for landing.
Falcon 900 Captain reported smoke in the cockpit emanating from the area behind the Captain's seat. A descent was initiated and the smoke began to dissipate on descent.