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# Ram Air Turbine (RAT)

### RAM AIR TURBINE (RAT) <a href="#ram-air-turbine-rat" id="ram-air-turbine-rat"></a>

* <mark style="color:red;">Handle manually deploys the Ram Air Turbine.</mark>
* <mark style="color:red;">Deploys automatically whenever AC power sources are not powering the AC buses.</mark>
* <mark style="color:red;">8 seconds after deployment the RAT supplies power. Batteries power during the 8 seconds.</mark>
* <mark style="color:red;">Requires maintenance to stow the RAT.</mark>
* <mark style="color:red;">RAT power the AC Motor-driven Pump (ACMP 3A) for primary flight control tasks.</mark>
* <mark style="color:red;">RAT provides a lower power output than the APU and IDGs.</mark>