Serious Incident to the ATR 72 registered OY-JZC and operated by Jet Time, on 14/11/2016 en route [Investigation led by AIB / Denmark]
Activation du vibreur de manche en conditions givrantes, en montée vers le FL170, descente vers le FL100, atterrissage
Responsible entity
Preliminary data based on the notification from the Danish authorities :
While climbing towards FL170 the aircraft was exposed to severe icing at FL150. Unable to climb further. Got “Dowgraded Perf” caution. Stick shaker activated. Left, and then right wing dipped. Got out of the situation by manual control and turning out to the coast while descending to FL100.