Breakthrough in Air India crash probe as investigators back leading theory revealed in ‘gamechanging' video of disaster
INVESTIGATORS on the Air India crash probe have backed the leading theory about what went wrong after a "game-changer" vid showed the final moments in detail.
More analysts now agree that an
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1
A new clearer video shows a protrusion beneath the plane
Credit: X/@Turbinetraveler
A HD video showed a "protrusion on the belly of the aircraft", with a "little grey dot" beneath it.
Commentators say this is evidence of the Ram Access Turbine (RAT) deploying on the plane, which failed to climb more than 450ft.
Commercial airline pilot Steve Schreiber, known as Captain Steve, explained: "Many aeroplanes have it. It is just behind the wing on the right side of the aeroplane, there is a little door that holds it in.
"It looks like a little Evinrude motor, it's a little two bladed prop.
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"The purpose is to provide electrical and hydraulic pressure for the aircraft on an extreme emergency."
Steve explained there are three things which could cause the RAT to deploy on a 787: "A massive electrical failure, a massive hydraulic failure, or a dual engine failure.
"But I think the fact the aeroplane is mushing out the sky gives the idea it was a dual engine failure."
What is Ram Air Turbine?
A RAM Air Turbine, known as RAT, is a small wind turbine fitted into planes which generates power in the case of emergency.
It will deploy if the main engine stops generating power for any reason.
When activated, the small turbine stick out from below the wing or fuselage, and harnesses the wind power caused by the plane's speed.
The airflow makes it spin round, in turn generating electricity which can be used.
This happens using a hydraulic pump or electrical generator linked up to the turbine.
A key feature of RAM is that is acts independently from the aircraft's engine and other generation means, meaning it can in theory be used to create power even when the main systems go down.
More to follow...
For the latest news on this story keep checking back at The Sun Online
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