Citationjet (C525/C526) - CJ I / II / III / IV
Ground Event / Encounter Loss Of Aircraft Control; Ground Excursion Taxiway
Aircraft Aircraft Damaged; Flight Crew Became Reoriented; Flight Crew Regained Aircraft Control; General Flight Cancelled / Delayed
Airport; Weather
On rollout/runway exit; [Runway] XXR to [Taxiway] XX; braking action good on Runway; FICON 5/5/5; from a near stop we exited onto [taxiway] and the aircraft began to slide sideways. Once clear of the runway; with throttle to idle and brakes applied; aircraft continued to slide off taxiway into grass. Aircraft stopped. Powered up to get on [taxiway].
CE-525 flight crew reported a taxi-way excursion due to icing.