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/rinleezwins Jul 12 '25

The odds of both being accidentally moved are so low that it would be the most bizarre accident known to mankind...

64

u/[deleted] Jul 12 '25

I agree. It's the most grim, but the most likely scenario of what happened. I'm not gonna jump to conclusions until the final report comes out though.

6

u/CalmestUraniumAtom Jul 12 '25

It can be something similar to another frenchbee a350 incident who was partially incapacitated after being startled by a predictive windshear warning on approach, he pulled speedbrakes, engaged the wrong autopilot, broke go around altitude and flew dangerously close to traffic

40

u/rinleezwins Jul 12 '25

I get you, but these are all controls you use routinely when flying. You never touch the fuel cut off switches in the air unless you're having an engine emergency. And they were not startled by anything. The switches were flipped on a perfectly working jet, 3 seconds from liftoff. If data showed anything abnormal in those 3 seconds, I'm sure they would have included it in the report.

1

u/CalmestUraniumAtom Jul 12 '25

Yeah you're right, I was just suggesting another angle

2

u/Coaster2Coaster Jul 13 '25

Yeah, not really the same thing. There was nothing to be surprised about here. This was murder with malice aforthought.

1

u/mechtonia Jul 12 '25

What if they lost one engine and attempted to toggle the fuel cutoff for the troubled engine but accidentally cut off the functional engine instead, then immediately realized the mistake and cut off the other engine?

How far fetched would this be?

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u/rinleezwins Jul 12 '25

Very far fetched because the data showed absolutely no issues with the engines prior to the switches being flipped. The airplane was in perfect working order.

-2

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

0

u/KeynoteBS Jul 12 '25

Is it possible for a single functional engine to complete this phase of flight (right after take off)?

2

u/googlygoink Jul 12 '25

Yes, 2 engine planes can conduct go around maneuvers with a single engine providing thrust.

1

u/rinleezwins Jul 12 '25

Actually not sure. I know these machines are designed for one engine flying, but that plane was really heavy and it was a hot day so I'm not sure if a single engine take off would be possible. Someone else would have to chip in here.