Daft question from a plank pilot here if I may.
As I understand it LTE is primarily due to the horseshoe vortex intercepting the tailrotor disk, probably during slow crabbed flight. This causes an inevitable loss of yaw authority, and the aircraft yaws right (American helicopter) Left (Russian helicopter) or some indeterminate direction (European Helicopter).
Why, I ask myself, does the aircraft not yaw an alarming but not necessarily life-threatening 45° or so until the tailrotor disk is out of the horseshoe vortex, restoring normal yaw authority and allowing the pilot to bring the yaw rate back to zero and restore normal control over the helicopter? Is it a case that most pilots, following their training act before that point is reached as if they'd suffered a tailrotor transmission failure?
G