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Preliminary report into Air India crash released

(www.bbc.co.uk)
294 points cjr | 14 comments | 11 Jul 25 20:23 UTC | HN request time: 0.059s | source | bottom
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fsckboy ◴[11 Jul 25 23:07 UTC] No.44537714[source]▶
it makes sense to me that the pilot who said "I did not do it" actually did do it without realizing it, was supposed to be putting the landing gear up when he committed a muscle memory mistake. it happened around the time the landing gear should be up, and this explanation matches what was said in the cockpit, and the fact that the landing gear wasn't retracted. I think this idea was even floated initially by the youtube pilot/analysts I watch but dismissed as unlikely.
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russdill ◴[12 Jul 25 00:04 UTC] No.44538063[source]▶
There is no possible way to confuse these two actions. There's a reason a wheel is attached to the gear lever.
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1. cjbprime ◴[12 Jul 25 00:53 UTC] No.44538329[source]▶
> There is no possible way to confuse these two actions.

This is obviously an overstatement. Any two regularly performed actions can be confused. Sometimes (when tired or distracted) I've walked into my bathroom intending to shave, but mistakenly brushed my teeth and left. My toothbrush and razor are not similar in function or placement.

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2. bigDinosaur ◴[12 Jul 25 02:46 UTC] No.44538879[source]▶
If someone confused their steering wheel for the brake you'd probably be surprised - there are indeed errors that are essentially impossible for a competent person to make by mistake. No idea about the plane controls, though.
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3. burnt-resistor ◴[12 Jul 25 04:03 UTC] No.44539200[source]▶
Even humans have fixed action patterns. Much behavior is barely under conscious control.
4. vishnugupta ◴[12 Jul 25 05:40 UTC] No.44539605[source]▶
If I were to apply OPs assertion to your actions it’s like brushing your teeth with razor. I guess that’s what they meant.
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5. cjbprime ◴[12 Jul 25 07:06 UTC] No.44539968[source]▶
Not really, though. They're both (retracting the gear, and cutting off fuel) just toggle switches, as far as your brain's conscious mechanisms go. Doing them both on every flight dulls the part of your brain that cares about how they feel different to perform.

(I'm not strongly arguing against the murder scenario, just against the idea that it's impossible for it to be the confusion scenario.)

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6. globular-toast ◴[12 Jul 25 08:40 UTC] No.44540371[source]▶
Even in modern "fly by wire" cars the steering wheel and brake pedal have an immediate effect. They are essentially directly connect to their respective control mechanisms. As far as I understand both of the plane controls on question just trigger sequences that are carried out automatically. So it's more like firing off the wrong backup script than scratching the wrong armpit.
7. Mawr ◴[12 Jul 25 09:05 UTC] No.44540513[source]▶
That's just your brain associating the bathroom with the act of brushing your teeth, and therefore doing it automatically upon the trigger of entering the bathroom. It bears no resemblance to the accidental activation of a completely different button.

The other poster's correction: "it’s like brushing your teeth with razor" is apt. Touching the fuel cutoff switches is not part of any procedure remotely relevant to the takeoff, so there's no trigger present that would prompt the automatic behavior.

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8. cjbprime ◴[12 Jul 25 09:26 UTC] No.44540611[source]▶
Now I'm trying to remember if I've ever picked up my razor and accidentally begun tooth brushing motions with it. Probably!

More relevantly, you seem to me to be unduly confident about what this pilot's associative triggers might and might not be.

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9. russdill ◴[12 Jul 25 09:31 UTC] No.44540647{3}[source]▶
Neither is a toggle switch and the gear lever is incredibly conspicuous:

https://www.aerosimsolutions.com.au/custom-products/olympus-...

This would be like opening your car door when you meant to activate the turn signal.

10. bravesoul2 ◴[12 Jul 25 12:13 UTC] No.44541527[source]▶
I agree. Has anyone here unplugged their mouse instead of pressing caps lock by mistake?
11. bapak ◴[12 Jul 25 12:25 UTC] No.44541578{3}[source]▶
Good analogy. Things I do every day in front of the mirror, but I occasionally attempt to squeeze some soap on my toothbrush. Or I have to brush my teeth and I find my beard foamed up. Or I walk out of the shower after only rinsing myself with water.
12. uwagar ◴[12 Jul 25 12:46 UTC] No.44541680[source]▶
this bathroom thing and various similar scenarios happens to me when im on weed.
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13. russfink ◴[12 Jul 25 12:55 UTC] No.44541731[source]▶
Genuinely curious - could heavy marijuana use cause confusion between landing gear and fuel cutoff? Or some other drugs? (Wondering if they screen pilots for alcohol before they board an aircraft.)
14. interestica ◴[12 Jul 25 13:00 UTC] No.44541759[source]▶
It depends on how that person internalized and learned the behaviour. We store things differently.