= Ram air turbine
{wiki=Ram_air_turbine}
A Ram Air Turbine (RAT) is an emergency device used in aircraft to provide hydraulic and electrical power during a failure of the primary power systems. When the aircraft is flying, the RAT deploys into the airstream and utilizes the airflow to spin a small turbine. This turbine generates hydraulic pressure and/or electrical power to support essential systems and maintain control of the aircraft until it can safely land or restore normal power.
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