![Aviation Toulouse on Twitter: "First test flight for the 7th JAL Airbus A350-900. Note the extended Ram Air Turbine. 🇯🇵 #Japan #AvGeek https://t.co/2w8PYI8G2R" / Twitter Aviation Toulouse on Twitter: "First test flight for the 7th JAL Airbus A350-900. Note the extended Ram Air Turbine. 🇯🇵 #Japan #AvGeek https://t.co/2w8PYI8G2R" / Twitter](https://pbs.twimg.com/media/Ej4suH8WkAEr6ZD.jpg:large)
Aviation Toulouse on Twitter: "First test flight for the 7th JAL Airbus A350-900. Note the extended Ram Air Turbine. 🇯🇵 #Japan #AvGeek https://t.co/2w8PYI8G2R" / Twitter
![A350 XWB News: One of the first test already done in the A350 MSN1 test-flights has been the RAT emergency power system. A350 XWB News: One of the first test already done in the A350 MSN1 test-flights has been the RAT emergency power system.](http://3.bp.blogspot.com/-gicA1uuLOP8/UeR7YhTzZLI/AAAAAAAAF7w/k6_fBYUGQj0/s1600/A350+RAT+deployed.jpg)
A350 XWB News: One of the first test already done in the A350 MSN1 test-flights has been the RAT emergency power system.
Planes, Aviation & Aerospace - Asian Chapter - The Ram Air Turbine (RAT) is at the heart of an aircraft's emergency power system. In extremely rare instances when airplanes lose power, the
![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
![A350Blog on Twitter: "What is that in the belly fairing of #A350? The ram air turbine (RAT)deployed during landing https://t.co/GHSyiCbNbw https://t.co/guagTXfE5T" / Twitter A350Blog on Twitter: "What is that in the belly fairing of #A350? The ram air turbine (RAT)deployed during landing https://t.co/GHSyiCbNbw https://t.co/guagTXfE5T" / Twitter](https://pbs.twimg.com/media/CeWmJtdWQAAiIHv.jpg)
A350Blog on Twitter: "What is that in the belly fairing of #A350? The ram air turbine (RAT)deployed during landing https://t.co/GHSyiCbNbw https://t.co/guagTXfE5T" / Twitter
![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:large)