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Original Message Every traditional tail rotored helicopter has the potential to be in high GW. High altitude. Unfavorable wind azimuth or a combination of some or all of those conditions and the pilot will have a high collective power selected when the T/R will reach at or near full pitch based on pedal placement by the pilot. And it will still start a nose left yaw. If the above control inputs are rapid you can expect a rapid event when the t/r no longer produces enough counter active thrust. The condition has many fixes. First reduce the collective to a lower setting and simutainiously Unload the t/r to near neutral then smoothly input left pedal to stop the right yaw. Smooth is slow here friends. Where I fly the airport is 6000msl and the work goes up to 13,000msl with d/a altitudes outside the charts so this exact thing occurs regularly. It's nothing to panic about and often avoidable once that TQ gets high and left foot is reaching uncomfortably. |