Re: OT: air india crash

Jun 16, 2025 Last reply: 1 year ago 227 Replies

But it does happen occasionally anyway

And we have still seen a few examples of the wrong engine being shut down on engine failure

There was no checklist involved in this case

That didnt happen either, this was a memory item situation

There is no checklist for what to do when one pilot turns the fuel switches to cutoff while the plane is flying

There are some situations where a checklist isnt feasible and the pilots are trained to do memory stuff

Ruled out by the fact that someone *noticed* the switches had been moved, and moved them back

No. You don't notice an electrical gremlin. You notice if the switches have been moved. And the circuits are *completely independent*

There is no evidence of who turned the switches off

Why?

Someone else said he didnt have one.

All pilots who have flown this type of aircraft say it is not possible to do this by accident

Nope, it was a Boris obsession and that is clear from his memoirs

Bullshit for the reasons that Boris was so keen on it

The question then becomes How was it noticed?

Did a pilot see:

  1. The fuel cut off switches were visually in the wrong position

or

  1. See a guage showing that the engine thrust or engine RPM was falling?

Not when that's how the engines are always turned off at the gate after landing

Ditto

It was at the start of the flight and the pilots had flown in the day before

Not possible when already flying

Fantasy

yes, because he mentioned the switches

That as well, because when you find you have no thrust, those are what you look at first. The engines will not immediately lose RPM but they will lose thrust and that is reflected in other engine instrumentation.

Engine instruments generally indicate fuel flow and temperature indicators, as well as engine speed in percentage of normal shaft speed (N1 and/or N2)

A glance would reveal no fuel flow, falling RPM and exhaust temperatures The lack of fuel flow would lead directly to asking why no fuel flow and a glance at the switches.

And they weren't flying thru a volcano ash cloud either

I'm keeping up fine thanks

And I was sayihg that it can't have been due to both engines flaming out at the same time

You are the one that needs to do that

We don't know that there ever was a flame out of both engihes at once

And there is no checklist used when both engines flame out at that altitude anyway. Is a memory item as I said because there is no time to go thru a checklist in that situation

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But you dont do that at 600' even if the engines are surging

Because you are doing two things simultaneously and reversed what you meant to do

That can't have been the case with doing what you normally only do after landing and are at the gate, not when you have just taken off. And since the controls are completely different on purpose, you wouldnt do that when attempting to raise the landing gear or the laps etc

But it was actually a pet project of Boris's as his memoirs make clear

Nope, it was Boris

Boris felt differently

If that was the case, one pilot wouldnt have asked the other why he turned the engines off, he would have said, why did that happen

And there is no wat that the plane would ever have been designed so that a single open circuit or short circuit could shut down both engines

Nopw, for the same reason

Tho I spose its possible that Air India knows it was due to a system failure and invented the claim that the pilots ever said what they are claiming they said to blame it on pilots instead of a maintenance failure

Doesnt explain why one pilot asked the other why he shut the engines down

He saw it happen

Or he saw the pilot turning them off

I don't use trains much, so neither do I.

I can't think of of one time in the past 35 years when I failed to get a train when I wanted one, yes sometimes they're quite full, but commercially you'd expect that.

Nonsense, the full report will have all the information.

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