NTSB Probes De-Icing Time in Fatal Bangor Challenger 650 CrashNTSB is investigating a fatal Challenger 650 crash in Bangor, focusing on anti-icing holdover times that were exceeded before the January 25 takeoff.Mar 8, 2026•5 min•NTSBChallenger 650Air SafetyDe-icingBangorSAFETY