Flight Crew Last 90 Days 82; Flight Crew Total 1626; Flight Crew Type 1626
Situational Awareness
Deviation - Altitude Excursion From Assigned Altitude; Deviation / Discrepancy - Procedural Clearance; Ground Event / Encounter Loss Of Aircraft Control; Inflight Event / Encounter Weather / Turbulence
Flight Crew Regained Aircraft Control
Weather
We were in clear air above our altitude of FL410. we encountered unexpected continuous moderate turbulence and were unable to maintain altitude. We rapidly lost 1;000 feet of altitude.
B737 First Officer reported temporarily losing altitude control due to continuous moderate turbulence.