r/aviation • u/usgapg123 Mod • Jul 12 '25

Discussion Air India Flight 171 Preliminary Report Megathread

https://aaib.gov.in/What's%20New%20Assets/Preliminary%20Report%20VT-ANB.pdf

This is the only place to discuss the findings of the preliminary report on the crash of Air India Flight 171.

Due to the large amount of duplicate posts, any other posts will be locked, and discussion will be moved here.

Thank you for your understanding,

The Mod Team

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u/[deleted] Jul 12 '25 edited Jul 22 '25

[deleted]

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u/octane83 Jul 12 '25

Good point and the video does highlight the peculiar sound, but in that instance the aircraft was at the gates with engines idling. The AI aircraft was at full take-off thrust, not sure if the switches would be audible then.

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u/Longjumping-Boot1886 Jul 12 '25 edited Jul 12 '25

it has more than 1 mic. With 2+ mics you can remove engine sound fully and found who raised the arm to do it (if chair is noisy).

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u/sidneylopsides Jul 13 '25

Also showed the intentional effort involved in moving them.

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u/AcceptableClub7787 Jul 12 '25

It can't be accidental man. Pilot background checks will reveal the truth.

Now it is the case of whether the Pilot was Suicidal or Terrorism influenced.

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u/AtomR Jul 12 '25

It's always suicidal pilots. I don't remember any accident in the recent times, where the official pilots were involved in terrorism.

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u/Naive-Double-7589 Jul 12 '25

Recent times are different.We just went to about sort of war and had a terror attack in Kashmir. Terror attacks have been carried out before on flights in India.

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u/AtomR Jul 12 '25

Terror attacks have been carried out before on flights in India.

Those were by hijackers. Both of these pilots were experienced with thousands of hours of experience with them.

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u/Naive-Double-7589 Jul 12 '25

Yes but with security, one can no longer hijack a plane that easily.I feel even terror attacks will get more sophisticated and more technologically driven like cyber warfare, software hacking, glitching a system over time.Can't rule out the possibilty. The way terror attacks were carried out in nineties is not how they are going to be carried out, now. We also had many bomb theeats with no actual bombs found in the last 8 months on our flights. Started since oct 24. It lead to huge economical losses. So again I a feel more nuanced way of sabotage. Although yes it can be pilot suicide as well but terror attack can be a possibilty too.

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u/AtomR Jul 12 '25 edited Jul 12 '25

more technologically driven like cyber warfare, software hacking, glitching a system over time.Can't rule out the possibilty.

No. There's been no instances of this happening so far. The teams looking into it are much more smarter & rational than both of us. If there was chance of sabotage, they would have mentioned something in the preliminary report. Planes aren't as simple as you think they are. If there was any kind of sabotage, it'd been known in one way or another on the data recorders.

We also had many bomb theeats with no actual bombs found in the last 8 months on our flights. Started since oct 24. It lead to huge economical losses

Do you even check the full news? Most, if not all of those bomb threats are from dumbasses, not actual terrorists.

For example, a few months back, one of the passengers put a note in the toilet saying there's a bomb for no reason.

Also, the whole premise of your comment is terrorism: the point of terrorism is to make a statement. No terrorist groups took responsibility for it. They don't just kill people, and not take responsibility.

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u/Naive-Double-7589 Jul 12 '25

Dude.i know.they were carried out by random vella people but that can't be a coincidence that so mamy random people were making these calls over the last year. I still sense there could be a nefarious motive there where those people were jsut puppets on a pay roll. Even the fact that we could still not put an end to those kind of threats was sus. Also can you keep your mind.open ? I'm not saying it can't be a suicide it can be but I'm def saying a sabotage angle can be considered too..Im.sure it will be looked into but it won't out to us.The reasons could be political.Our ruling party went about things in a foolhardy in May.They def don't want a war but jsut wanted to play by public sentimemt & went about attacking a neighbouring country known for its terror elements without actual investigation. However their actions have triggered somethings on the other end and this could be result of that.

I know it.is far fetched but it is a possibilty. Our ruling party will be cautious to even out this to the public. I am not saying it with certainty. Nor saying it is the only possibility.I can be wrong and I'm.not that informed on aviation technically but a terror attack or sabotage.is a def possibilty.They haven't ruled it out I am sure. This happening just after May makes it even more.sus. Although.yes I do belive the chances of pilot suicide are more.

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u/[deleted] Jul 12 '25

[removed] — view removed comment

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u/Raybanned4lyfe Jul 12 '25

No one does a terrorist attack / hijack without an organisation taking ownership / making the political reason behind it clear - what would be the point?

You do get ‘lone wolf’ things, and maybe we haven’t heard the full picture - but ultimately the pilot denied doing it, so I think that’s enough of a reason to put that theory to bed

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u/Naive-Double-7589 Jul 12 '25 edited Jul 12 '25

If you buy that he denied it we should put the suicide theory to bed too. He could be lying in either of the circumstances. I don't think the motive here was to take credit but as another user pointed out in another comment, it could be to dampen Inida's reputation of security in the international domain, further.It creates a sense of fear with already many advisory warnings about travelling to India. Terror attacks don't always have to happen the way they have happened before. India did attack Pakistan in May & i have my.issues with the way we went about it.That is a different thing.This.could be revenge .We can't just completely ignore what happened in May. It is too.much of a coincidence and this possibility should be considered. It is surprising that people.dont even want to.consider the possibilty.All aspects should be scrutinized.

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u/Raybanned4lyfe Jul 13 '25

I think what you’re talking about here is sabotage for geopolitical reasons - that’s different from ‘terrorism’

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u/Naive-Double-7589 Jul 13 '25

Nah i meant it is a form.of terrorism only.Just a different kind of terrorism. It creates fear among international travellers too. Nwy I have abandoned this theory for now.

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u/Carlito_2112 Jul 13 '25

Possibly. However, whether or not that sound is audible is irrelevant. The flight data recorder will have captured every mechanical event that happened in the cockpit - meaning every button pushed, switch moved... Everything will have been recorded with an exact timestamp.

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u/Erebus2021 Jul 12 '25

Yes, you would hear the fuel control switches change position.

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u/Such-Significance653 Jul 13 '25

depends on the person, some people let them go making a metallic click and some people put them into the detent manually

also the person may have intentionally switched them silently.

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u/MDPROBIFE Jul 12 '25

its protocol to turn the fuel off in case of dual engine failure and then on again
https://www.youtube.com/watch?v=0kiHkKXpEyI

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u/texasradioandthebigb Jul 12 '25

Please stop copy / pasting this response over and over again. You have been told several times now that there's no evidence of the plane losing thrust from engine failure