The pilot made an excessively hot approach, and when he pulled pitch at the
bottom, consumed so much power that the engine simply had an insufficient
amount left to deliver to the tail rotor. The majority of incidents
characterized as "loss of tailrotor effectiveness" actually occur under
similar circumstances to this. It's really just a failure to maintain
coordinated flight. The problem with the 206 in this context is not a lack
of tailrotor thrust, but a lack of surplus power at high gross weights or
high DAs.

"gaylon9" wrote in message
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