Ram Air Turbine (RAT)

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

Last updated 1 year ago