![The RAT (Ram Air Turbine) deployed on a Boeing 787 Dreamliner. Visible by the landing gear, it is deployed in emergencies and uses the airflow to help maintain hydraulic pressure for flight The RAT (Ram Air Turbine) deployed on a Boeing 787 Dreamliner. Visible by the landing gear, it is deployed in emergencies and uses the airflow to help maintain hydraulic pressure for flight](https://preview.redd.it/08scybipwm651.jpg?auto=webp&s=1658cd40202f3a6c25cfa8c3764ce8878605bcc4)
The RAT (Ram Air Turbine) deployed on a Boeing 787 Dreamliner. Visible by the landing gear, it is deployed in emergencies and uses the airflow to help maintain hydraulic pressure for flight
![Airbus 319 RAT Deployed , Ram Air Turbine use for emergency when electric power is lost on the aircraft. : r/EngineeringPorn Airbus 319 RAT Deployed , Ram Air Turbine use for emergency when electric power is lost on the aircraft. : r/EngineeringPorn](https://external-preview.redd.it/VbCQzc6zbVFNYu4GiS1irdalOe-UWNeXmGfTT-QaKMg.png?format=pjpg&auto=webp&s=77dc3624bafa21865d45cbc2e7871c4c6817de6a)
Airbus 319 RAT Deployed , Ram Air Turbine use for emergency when electric power is lost on the aircraft. : r/EngineeringPorn
![Mike Chillit в Twitter: „@Edward_767 I seem to recall the 777 version gives the pilot an option to deploy the RAT or not; but it has been a long time since I Mike Chillit в Twitter: „@Edward_767 I seem to recall the 777 version gives the pilot an option to deploy the RAT or not; but it has been a long time since I](https://pbs.twimg.com/media/EEitg_FVUAA4mWt.jpg)
Mike Chillit в Twitter: „@Edward_767 I seem to recall the 777 version gives the pilot an option to deploy the RAT or not; but it has been a long time since I
![aircraft systems - Is there a maximum airspeed to deploy a ram air turbine? - Aviation Stack Exchange aircraft systems - Is there a maximum airspeed to deploy a ram air turbine? - Aviation Stack Exchange](https://i.stack.imgur.com/tGcsX.jpg)