The Surion was grounded in July 2016 in response to the CHC Helikopter Service Flight 241 . In late 2016 , deliveries of the Surion were halted while a resolution for an icing issue that was discovered during winter testing was worked upon
CHC Helikopter Service Flight 241
CHC Helikopter Service Flight 241
KAI KUH-1 Surion