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do they dump it after they land?
do they release it in air?

2007-07-24 22:11:06 · 11 answers · asked by Anonymous in Cars & Transportation Aircraft

11 answers

1) The toilet drains into a holding tank charged with a blue detergent/deodorizer.

2) The tank is drained by ground crew into a special truck. which is emptied into the airports sanitary waste station.

3) It is impossible to release the waste in the air. The valve is accessable only from outside the aircraft.

For more than you probably ever wanted to know on the subject, check out this lav service training guide link.
It also includes aircraft access panel (Embraer 145) and service equipment photos-
http://www.xjtcorporateaviation.com/pdf/LAV_WORKBOOK_06AUG.pdf

A "lavatory service technician" in action-
http://public.mcchord.amc.af.mil/shared/media/photodb/photos/070108-F-8716G-031.jpg

Also, the amount of "blue juice" or blue water in the holding tank varies by aircraft. Smaller ones have 2 gal while widebodie aircraft can have up to 20 gallons in a common tank for multiple toilets.

2007-07-27 13:15:26 · answer #1 · answered by Av8trxx 6 · 0 0

Ah you mean the blue water? There's a funny story about an old airline captain who'd been in aviation all of his life. Loved everything about it and wouldn't consider ever working in any other industry. He flunked his annual check ride so they reduced him in rank to copilot. A year later he turned sixty and had to move into the flight engineer seat. He ended up losing most of his eye sight and was medically grounded. They made him a customer service representative but his crotchety old personality kept pissing off the passengers. They moved him all over the company from dispatch to scheduling to baggage handling and fueling. Everything he did turned to crap for one reason or another. Finally they made him the guy that runs the "honey bucket" that dumps the lavatories when the airplane lands. He'd been doing that for about ten years and was now well into his seventies. One day, the dump hose broke and all of the dirty blue sewage spilled out all over him. One of the baggage handlers saw it happen and said, "Hey captain, don't you think it's time you retire?" The former captain looked at him quizzically and replied, "And what? Get out of aviation?"

2007-07-25 09:52:49 · answer #2 · answered by Anonymous · 0 1

They dump it in a special sewage tank connected to a vehicle after it lands. A pipe is connected to the bottom of the plane and the things are drained out. Its a routine act after a plane lands at any airport.

2007-07-24 22:15:01 · answer #3 · answered by Subhasis G 4 · 1 0

To show how times have changed. In the past, trains would dump the toilet waste on the tracks. As you got to a station, the bathrooms were locked and nobody was allowed in them. After the train left the station, back to business.

Today trains have a storage system like aircraft.

2007-07-25 01:16:47 · answer #4 · answered by kg 2 · 0 0

The toilet in any aircraft is similar to the one you have in any camper. there is a storage tank that generally holds 2 gal of "blue juice" when serviced. When the Flight attendants do their cabin checks they will determine if the lav needs servicing. They will tell the Capt/FO and they will call operations for a "Lav Service" Yes there is a servicing truck, it will remove the waste via a dump valve . Then this same truck will pump the 2 gal of fresh "Blue Juice" into the holding tank.

2007-07-24 22:48:50 · answer #5 · answered by Anonymous · 7 0

Held in waste container and sucked out from a poop truck after landing

2007-07-28 07:40:22 · answer #6 · answered by John 2 · 0 0

Remember as a kid wondering what made the pretty white clouds (contrails) that followed the planes in the sky? Now you know!!

2007-07-28 17:50:29 · answer #7 · answered by Marc 2 · 0 0

get rid of it after they land store while in flight
that's why the loo's on planes stink so much

2007-07-24 22:18:36 · answer #8 · answered by Anonymous · 0 0

Michael V is absolutely correct in his answer. I couldn't have said it better myself.

2007-07-25 04:50:25 · answer #9 · answered by IFlyGuy 4 · 0 0

there is just a flapper door in the bottom of the airplane and it is spring loaded and the pilot has a Gage sometimes called the $#it Gage in the cockpit and when it reaches full the pilot pushes a button while they are in flight. and it is released into the air.. they have a waiver from the EPA that allows them to only dump twice per day.... thanks for the 2 points

2007-07-25 10:24:50 · answer #10 · answered by Anonymous · 0 6

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