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Singapore Airlines Turbulence Problem

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kinda hard to read this (or at least I misread it first), blue line is ALT so +400 ft rise from the turbulence with +/- 1500 fpm max rate of climb/descent over what looks like about 1 minute period. must have been terrifying for those on board.
I’d say a descent rate of 1000/1500fpm is what you’d call a controlled descent based on a possible course change or to avoid an area of turbulence.

The graph shows the aircraft meeting turbulence before the descent.
 
I’d say a descent rate of 1000/1500fpm is what you’d call a controlled descent based on a possible course change or to avoid an area of turbulence.

The graph shows the aircraft meeting turbulence before the descent.

most important data there is time, which is admittedly very hard to read. All of that happens in a few seconds. 1500 fpm is a mild vertical speed rate in most circumstances, but the 3000 fpm change in rate over what's probably a 15s period is a huge shift for an airplane that size. It'd be easier to read if load (g forces) were graphed, but I'm sure we'll get that later in the report.

*it looks like all of the action happens between 07.49.21z and 07.50.32z, which I think means it was a total of 71s.
 

@SerenityNigh @Mutzo Nutzo can you 2 stop having Air traffic control sex and explain for the laymen.

let us have our fun!

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Great airline SA, best I've flown with. Obviously neither airline nor plane or pilot at error for what happened. Just keep your seatbelt on.

As Jim Ross of WWF fame would have put it, I bet there was all kinds of human rubble strewn amongst the aisles there.
 
@SerenityNigh @Mutzo Nutzo can you 2 stop having Air traffic control sex and explain for the laymen.
Plane flies into an area of turbulence - real nasty stuff - so the crew change course and drop altitude to get out of the turbo.

They descend at a rate of 1000/1500 feet per minute over what looks like a period of 3 minutes.

The cabin would’ve been full of bodies, bags blood and vomit. Scary stuff.
 

Plane flies into an area of turbulence - real nasty stuff - so the crew change course and drop altitude to get out of the turbo.

They descend at a rate of 1000/1500 feet per minute over what looks like a period of 3 minutes.

The cabin would’ve been full of bodies, bags blood and vomit. Scary stuff.

@Exeter_Gently I largely agree with Nutzo except I think all the excitement happens over just a few seconds. Imagine a roller coaster, but nobody was prepared for it.
 
@Exeter_Gently I largely agree with Nutzo except I think all the excitement happens over just a few seconds. Imagine a roller coaster, but nobody was prepared for it.
Had a terrible experience coming back from Mexico a couple of days after Katrina hit New Orleans...affected me ever since.

My old man worked at British aerospace for years building wings for jumbo's and even his reassurances haven't worked.
 
Had a terrible experience coming back from Mexico a couple of days after Katrina hit New Orleans...affected me ever since.

My old man worked at British aerospace for years building wings for jumbo's and even his reassurances haven't worked.

It can be really unpleasant, no doubt about that, and it affects some far worse than others. I'm generally ok in airplanes but you stick me in a boat with just the lightest of chop and my legs go.
 

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