Canada’s Transportation Safety Board (TSB) reminds helicopter pilots to be ever vigilant for the situations that can lead to loss of tail-rotor effectiveness (LTE). The condition is insidious, comes without warning and can be fatal. The TSB’s comments came in its report on the May 4, 2016, crash of a Bell 206B Jet Ranger III (C-GOPK) operated by Highland Helicopters Ltd. The aircraft had arrived at 0719 at a tree harvest area, or “cutblock,” adjacent to Tchentlo ...