![Collins Aerospace Building Ram Air Turbine Wind Tunnel | Business Aviation News: Aviation International News Collins Aerospace Building Ram Air Turbine Wind Tunnel | Business Aviation News: Aviation International News](https://www.ainonline.com/sites/default/files/styles/ain30_fullwidth_large_2x/public/uploads/2021/05/boeing-787-rat_impact_1920x1080.jpeg?itok=jlJoeQte×tamp=1620830124)
Collins Aerospace Building Ram Air Turbine Wind Tunnel | Business Aviation News: Aviation International News
![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/CxlbMSbVIAAP1uB.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" /
Alert Service Bulletin B787-81205-SB290015-00 HYDRAULIC POWER - Ram Air Turbine System - Ram Air Turbine Pump And Control Module
787 Guide - The RAT - Ram Air Turbine, is a two-bladed pitch-governed turbine for backup electric and hydraulic power. 💪 It works at all operational speeds and altitudes. At the minimum
Jennifer Schuld on Twitter: "United Airlines #787-9 N26966 back at KPAE after a flight to KMWH. Notice the RAT, deployed during the test flight. https://t.co/TErxwT9HXE" / Twitter
![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)