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Robinson includes enhanced audio alerts

Robinson recently incorporated enhanced audio alerts across its model lineup.

All new Robinson helicopters now provide the low-RPM horn as an audio alert through crew headsets rather than instrument-panel-mounted speakers. In addition, a headset audio alert for high RPM has been added.

New R66s also have a headset audio alert for high torque or high gas temperature. This alert is equivalent to the First Limit Indicator found in some larger turbine helicopters. It warns the pilot when nearing either operating limit without the need to continuously monitor multiple engine instruments. (Reaching the N₁ RPM limit is highly unlikely in the R66.)

Company president, Kurt Robinson, said in a statement that audio alerts enhances safety more than visual indicators.