1 engine power-control lever (PCL) out of the fly detent to bring the overspeed condition
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.