overspeed condition

overspeed condition

The condition in which an engine is turning at a speed higher than that selected by the governor. This is avoided by the use of governors.
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1 engine power-control lever (PCL) out of the fly detent to bring the overspeed condition into control.
The pilot performed remedial actions and thought he had a propeller overspeed condition, so he reduced throttle; however, rpm remained high.
In the event of an engine overspeed condition, typically at about 2,300rpm, a switch triggers both the fuel shut-off and the Pyroban air intake shutdown valve to ensure that the engine shuts down, it added.
The Dash 8Os propellers went into an overspeed condition, causing a total loss of power because of an alleged failure of a restricting gate for the throttles when they are put into idle, the source said.
1 engine overspeed condition and executed NATOPS procedures.
Murphy safety shutdown devices are provided for lube oil pressure/level, coolant temperature/level, engine vibration and overspeed conditions - all packaged in a Murphymatic control panel.