![boeing 737 - What is the strange object on 737-800 exterior, on the aft right side? - Aviation Stack Exchange boeing 737 - What is the strange object on 737-800 exterior, on the aft right side? - Aviation Stack Exchange](https://i.stack.imgur.com/cYwIq.jpg)
boeing 737 - What is the strange object on 737-800 exterior, on the aft right side? - Aviation Stack Exchange
![Aviation Toulouse on X: "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 X: "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 X: "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 Engineering | RAT (Ram Air Turbine) - an in-flight emergency source of electrical and hydraulic power, to operate the minimum flight controls and systems necessary ...
![United Airlines 2012 Boeing 787-8 N45905 c/n 34825 RAT (Ram Air Turbine) San Francisco Airport 2020. United Airlines 2012 Boeing 787-8 N45905 c/n 34825 RAT (Ram Air Turbine) San Francisco Airport 2020.](https://i.pinimg.com/originals/c4/91/52/c4915260722e889b42b7f9e13f074721.jpg)