![Aviation Toulouse on Twitter: "Did you know that during each first flight the RAT (Ram Air Turbine or emergency power system) is tested ? RAT of #A350 msn 62 of yesterday. https://t.co/TQ7NfiTnWc" / Aviation Toulouse on Twitter: "Did you know that during each first flight the RAT (Ram Air Turbine or emergency power system) is tested ? RAT of #A350 msn 62 of yesterday. https://t.co/TQ7NfiTnWc" /](https://pbs.twimg.com/media/Cxk4zb4XgAABpBT.jpg)
Aviation Toulouse on Twitter: "Did you know that during each first flight the RAT (Ram Air Turbine or emergency power system) is tested ? RAT of #A350 msn 62 of yesterday. https://t.co/TQ7NfiTnWc" /
![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)
aircraft systems - Is there a maximum airspeed to deploy a ram air turbine? - Aviation Stack Exchange
Dataero - La RAT (Ram Air Turbine) est une petite éolienne de secours qui se déploie sous les avions, quand ceux-ci perdent leurs sources d'énergie, par panne des deux moteurs en vol
![The ram air turbine (RAT) automatically deploys under emergency conditions and uses the airstream flowing past the airplane's fusel… | Turbine, Aviation, Airstream The ram air turbine (RAT) automatically deploys under emergency conditions and uses the airstream flowing past the airplane's fusel… | Turbine, Aviation, Airstream](https://i.pinimg.com/originals/d2/26/8a/d2268ad0dae0e1eff3876af5e082114f.jpg)