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Aircraft Toilets - Safe  
User currently offlineRuscoe From Australia, joined Aug 1999, 1576 posts, RR: 2
Posted (1 year 3 months 2 days ago) and read 6120 times:

I have often wondered what would happen if someone sitting on an aircraft toilet pushed the "button"? (whilst seated)

Would the suction cause them serious injury, (as say has happened before with swimming pool skimmer boxes), or is there some sort of safety device to prevent this happening?

Strange topic for sure, but I would be interested to know.

Ruscoe

29 replies: All unread, showing first 25:
 
User currently offlinetravelavnut From Netherlands, joined May 2010, 1630 posts, RR: 7
Reply 1, posted (1 year 3 months 1 day 23 hours ago) and read 6044 times:

Quoting Ruscoe (Thread starter):
Strange topic for sure, but I would be interested to know.

After a few vodka's on a trip to the US I tried. As I am a male some hilarious "flapping" ensued...



Live From Amsterdam!
User currently offlineAA737-823 From United States of America, joined Mar 2000, 5873 posts, RR: 11
Reply 2, posted (1 year 3 months 1 day 23 hours ago) and read 5981 times:

Quoting travelavnut (Reply 2):
After a few vodka's on a trip to the US I tried. As I am a male some hilarious "flapping" ensued...

I could have gone the rest of my life without that mental image. But, thanks to a.net, I can now have that terrible picture scarred into my mind forevermore.
And to think, some of the newbies PAY for this service?!!


User currently offlinetravelavnut From Netherlands, joined May 2010, 1630 posts, RR: 7
Reply 3, posted (1 year 3 months 1 day 23 hours ago) and read 5942 times:

Quoting AA737-823 (Reply 3):
But, thanks to a.net, I can now have that terrible picture scarred into my mind forevermore.

The pleasure was all mine AA737 



Live From Amsterdam!
User currently offlineshufflemoomin From Denmark, joined Jun 2010, 480 posts, RR: 2
Reply 4, posted (1 year 3 months 1 day 22 hours ago) and read 5656 times:

Quoting travelavnut (Reply 2):
After a few vodka's on a trip to the US I tried

Why would you just try that? This is why you get obvious warning signs on stuff and you wonder who on earth needs them.


User currently offlinesu184 From Egypt, joined Feb 2004, 239 posts, RR: 10
Reply 5, posted (1 year 3 months 1 day 21 hours ago) and read 5506 times:

As far as I remember, an obese woman got stuck on a SAS B767 on trans-atlanitc flight for that same reason and had to spend the rest of the flgiht in the toilet but don't remeber how many hours were left.

User currently offlinetravelavnut From Netherlands, joined May 2010, 1630 posts, RR: 7
Reply 6, posted (1 year 3 months 1 day 21 hours ago) and read 5437 times:

Quoting shufflemoomin (Reply 5):

Why would you just try that? This is why you get obvious warning signs on stuff and you wonder who on earth needs them.

Well you must be fun at parties!   

Why not? I was curious, one of humankind's best traits! Also I was aware of the Mythbuster episode where they proved it isn't dangerous. If it actually was there would already be a warning sign, now wouldn't there?

[Edited 2013-07-25 04:50:14]


Live From Amsterdam!
User currently offlineshufflemoomin From Denmark, joined Jun 2010, 480 posts, RR: 2
Reply 7, posted (1 year 3 months 1 day 18 hours ago) and read 5105 times:

Quoting travelavnut (Reply 7):
Well you must be fun at parties!   

Why, because I don't do stupid, irresponsible things? The best thing that could happen to you was nothing, which is hardly fantastic. At worst, you damage the toilet or yourself. Hey, if that's what you consider a smart thing to do, have at it. Don't let me stop you. If you also think the best way to find out if something is dangerous is to just try it, sooner or later you won't be so lucky.


User currently offlineUnited1 From United States of America, joined Oct 2003, 6016 posts, RR: 9
Reply 8, posted (1 year 3 months 1 day 18 hours ago) and read 5084 times:

I think this has been discussed and debunked before....its a myth. There is virtually no way that you would cover the entire toilet bowl when you sat down and as such there is no way a suction could be created to keep you stuck on the bowl. The most that would occur is a bit of ehemm.....flapping.


Semper Fi - PowerPoint makes us stupid.
User currently offlinefalstaff From United States of America, joined Jun 2006, 6127 posts, RR: 29
Reply 9, posted (1 year 3 months 1 day 18 hours ago) and read 5051 times:
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Quoting travelavnut (Reply 2):
After a few vodka's on a trip to the US I tried. As I am a male some hilarious "flapping" ensued...

I've done it too. I got a good laugh out of it.



My mug slaketh over on Falstaff N503
User currently offlineLufthansa From Christmas Island, joined May 1999, 3217 posts, RR: 10
Reply 10, posted (1 year 3 months 1 day 18 hours ago) and read 5041 times:

OMG, I nearly fell off my chair pissing myself laughing at the 'flapping comment"..

no big deal I guess, lol, just a bit of fun.


User currently offlineLOWS From Austria, joined Oct 2011, 1168 posts, RR: 1
Reply 11, posted (1 year 3 months 1 day 14 hours ago) and read 4720 times:

Quoting Lufthansa (Reply 11):
OMG, I nearly fell off my chair pissing myself laughing at the 'flapping comment"..

I would think that after sitting in a plane for several hours, that might actually be rather refreshing.

Don't tell MOL, he'll add a toilet flushing fee.


User currently offlinetype-rated From , joined Dec 1969, posts, RR:
Reply 12, posted (1 year 3 months 1 day 2 hours ago) and read 4251 times:

Well, with some of the Persons of Size, I think a few could cover the entire toilet bowl. But I think there is a small air gap between the seat and the toilet rim to prevent any suction.

I first heard that woman stuck on toilet joke years and years ago. The original story had a TW 747 are the culprit and it happened in SFO. I remember reading something about fireman had to come on board to rescue the woman while they released the pressure in the system from below. Also remember in the article said the flight attendant gave the woman a blanket to cover her bottom half because "due to safety regulations" the bathroom door had to be held open for landing by a flight attendant in the jumpseat right next to the bathroom. I think the aircraft in question was a 727 instead of a 747. But that's all I remember about it.

But after extensive Googling looking for this incident, I came up with nothing. But there were other stories about the same thing using various airline names.


User currently offlines5daw From Slovenia, joined May 2011, 253 posts, RR: 0
Reply 13, posted (1 year 3 months 1 day ago) and read 4140 times:

Wasn't this debunked by mythbusters in one of the early episodes where we could see Kari's (gorgeous) behind?


http://www.youtube.com/watch?v=mzHcEk9D-M4

http://www.youtube.com/watch?v=ykhSLNlx3n0


User currently offlinetravelavnut From Netherlands, joined May 2010, 1630 posts, RR: 7
Reply 14, posted (1 year 3 months 1 day ago) and read 4120 times:

Quoting shufflemoomin (Reply 7):
Why, because I don't do stupid, irresponsible things?



No, because you think doing THAT is stupid and irresponsible. Let me tell you buddy, I've done far more stupid and irresponsible things in my life and it's been a lot of fun! (you should try it, having fun and all   , it's cool and girls love it!)

Quoting shufflemoomin (Reply 7):
. At worst, you damage the toilet or yourself.



No I wouldn't have, with my slender fysique I would have never made an airtight seal, and also;

Quoting United1 (Reply 8):
I think this has been discussed and debunked before....its a myth. There is virtually no way that you would cover the entire toilet bowl when you sat down and as such there is no way a suction could be created to keep you stuck on the bowl. The most that would occur is a bit of ehemm.....flapping.



Live From Amsterdam!
User currently offlineDIJKKIJK From France, joined Jul 2003, 1811 posts, RR: 4
Reply 15, posted (1 year 3 months 1 day ago) and read 4018 times:

Quoting type-rated (Reply 12):
I first heard that woman stuck on toilet joke years and years ago. The original story had a TW 747 are the culprit and it happened in SFO. I remember reading something about fireman had to come on board to rescue the woman while they released the pressure in the system from below. Also remember in the article said the flight attendant gave the woman a blanket to cover her bottom half because "due to safety regulations" the bathroom door had to be held open for landing by a flight attendant in the jumpseat right next to the bathroom. I think the aircraft in question was a 727 instead of a 747. But that's all I remember about it.

That had to be a fake, since neither TW's 747 (the -100 or the -200 versions) not the 727 were equipped with the pressure toilets.



Never argue with idiots. They will bring you down to their level, and beat you with experience.
User currently offlineghifty From United States of America, joined Jul 2010, 891 posts, RR: 0
Reply 16, posted (1 year 3 months 23 hours ago) and read 3961 times:

Quoting s5daw (Reply 13):
Wasn't this debunked by mythbusters in one of the early episodes where we could see Kari's (gorgeous) behind?

At 0:22 he calls the Mojave scrapyard a "plane heaven."    



Fly Delta Jets
User currently offlinetype-rated From , joined Dec 1969, posts, RR:
Reply 17, posted (1 year 3 months 10 hours ago) and read 3586 times:

Quoting DIJKKIJK (Reply 15):
That had to be a fake, since neither TW's 747 (the -100 or the -200 versions) not the 727 were equipped with the pressure toilets.

Like I said this story has been going around since the 70's. I don't think it's real. It makes just that, a good story.


User currently offlineRuscoe From Australia, joined Aug 1999, 1576 posts, RR: 2
Reply 18, posted (1 year 3 months 5 hours ago) and read 3377 times:

Thanks guys, for the very funny and interesting comments.

However it is a serious subject.

What happened in the swimming pool skimmer box accidents is that someone what sit on the round opening of the skimmer box with the lid removed, and thus accidently form a good seal. The pool pump would continue to work, and the vacuum pressure inside the skimmer box would continue to increase in the negative and eventually the bowel is sucked out through the anus, resulting in serious injury. This is not imaginary it has happened.

The law here, now requires designs where this cannot occur..

If some person with a large butt sat directly on the steel rim, with the (seat lid lifted), and formed a good seal, and pressed the button, would the negative pressure be sufficient to do this or is there some kind of negative pressure limiting device, or a design feature, such as a vacuum vessel with limited capacity, without enough potential vacuum to cause injury.

I actually thought that an FA may know this as part of their training.

Ruscoe


User currently offlinespacecadet From United States of America, joined Sep 2001, 3630 posts, RR: 12
Reply 19, posted (1 year 3 months 2 hours ago) and read 3254 times:

Quoting type-rated (Reply 17):
Like I said this story has been going around since the 70's. I don't think it's real. It makes just that, a good story.

Hence the reason why Mythbusters tested it. This was in their early days when they actually tested urban legends, not just random idioms, YouTube videos, Discovery Channel show tie-ins and anything where they can end the episode by blowing something up.

Anyway, they couldn't get anyone stuck to the toilet, as I recall, even with an unrealistic amount of suction. There's just no way to form a perfect seal. Even the most obese person is going to end up with a little air hole between their legs as well as their butt.



I'm tired of being a wanna-be league bowler. I wanna be a league bowler!
User currently offlinewhitewasp From United States of America, joined Feb 2013, 45 posts, RR: 0
Reply 20, posted (1 year 2 months 4 weeks 1 day 11 hours ago) and read 2891 times:

I'm a rather fat guy. Well I'm really fat. I'm 6'2" 330lb. I also was a flight attendant for Shuttle America. 2007-2009. I can tell you. On a ferry flight, I plopped my rather large figure down on the toilet (E170), closed my legs. Made sure there was no gaps and hit the button. Yes we had suction toilets. I did not get stuck. Maybe on older aircraft there may of been issues, but on the newer planes, uh uh ain't gonna happen. If it didn't happen to me, it isn't gonna happen to nobody. BTW those toilets can suck a whole roll of TP from the FO's seat all the way to the aft toilet in one flush, that's pretty cool.

User currently offlineceo@afg From Norway, joined Jan 2001, 247 posts, RR: 3
Reply 21, posted (1 year 2 months 4 weeks 1 day 8 hours ago) and read 2724 times:

SAS toilet story covered here:

US Woman Gets Stuck To Airplane Toilet (by Pilot1113 Jan 21 2002 in Civil Aviation)



"Looks like I picked the wrong week to quit sniffing glue." Steven McCroskey, Airplane!
User currently offlinesilentbob From United States of America, joined Aug 2006, 2124 posts, RR: 1
Reply 22, posted (1 year 2 months 4 weeks 1 day 8 hours ago) and read 2705 times:

Quoting spacecadet (Reply 19):
...and anything where they can end the episode by blowing something up.

As if there was anything wrong with that. We need to come up with a myth about an exploding aircraft or something like that.


User currently onlinetonymctigue From Ireland, joined Feb 2006, 1948 posts, RR: 9
Reply 23, posted (1 year 2 months 4 weeks 1 day 4 hours ago) and read 2513 times:
Support Airliners.net - become a First Class Member!

Quoting Ruscoe (Reply 18):
What happened in the swimming pool skimmer box accidents is that someone what sit on the round opening of the skimmer box with the lid removed, and thus accidently form a good seal. The pool pump would continue to work, and the vacuum pressure inside the skimmer box would continue to increase in the negative and eventually the bowel is sucked out through the anus, resulting in serious injury. This is not imaginary it has happened.

This is actually true. Australian Standard AS 1838:1994 Swimming pools - Premoulded fibre-reinforced plastics - Design and fabrication actually contains the following warning:

Warning: When considering the arrangement of the skimmer box, special care needs to be taken to ensure that young children are not tempted to sit on it or on other filtration system suction points. In the past, this practice has lead to serious injuries and, in some cases, to death by disembowlement. It has been shown that a removeable cover does not provide sufficient protection against this kind of accident.

However given the level of though that goes into safety system on aircraft, would they really design a toilet that was dangerous to passenger? Never in a million years. Also swimming pool pumps work on a constant basis whereas aircraft toilet systems pump for just a few seconds at a time. That said, given the sheer number of people flying and therefore using aicraft toilets (an ever increasing number of them falling into the larger category), I reckon there is a outside possibility that some freak and unfortunate combination of circumstances were someone finds themselves in an embarassing situation where they do get sucked to an aircraft toilet bowl.

[Edited 2013-07-27 21:45:38]

[Edited 2013-07-27 21:46:22]

[Edited 2013-07-27 21:47:00]


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User currently offlineTWA772LR From United States of America, joined Nov 2011, 2192 posts, RR: 1
Reply 24, posted (1 year 2 months 4 weeks 1 day 3 hours ago) and read 2437 times:

It's impossible on the 787. If you leave the lid open, and hit the flush button, the lid will shut before the toilet actually flushes.

Quoting s5daw (Reply 13):

  



Go coogs! \n//
25 1337Delta764 : Most older aircraft did not have vacuum flush toilets; they used the recirculating blue liquid instead. The 767 was the first airliner to include vac
26 ggflyboy : Still not sure why anyone would actually want to sit on those things in the first place - much less to "form a good seal." Yuck.
27 HAWK21M : Unless the entire commode area is covered and no vent available...the vaccum is not as high to cause a danger.
28 Post contains images travelavnut : Haha that's fantastic! Some seriously speedy sewage So how did these work? And how exactly did the recirculating work? Thanks!
29 DIJKKIJK : In older planes , the flush reservoir tank would be filled with water, into which the blue colour and some strong deodorant would be added. Whenever
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