dumping fresh water question
I was wondering if there was a proper way to dump the fresh water left in the tank before leaving a campsite. I usually drain on site, but the father in law says not to do that. And he usually takes ...
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Gau 8 wrote:wilber1 wrote:Gau 8 wrote:wilber1 wrote:
Good thing these folks don't know airliners drain their grey water overboard. Oops.
On older planes like the 727, the grey did go overboard regardless of whether the jet was on the ground or in the air. The drain mast was heated to avoid freezing in flight.
Modern jets do not.
25 year airline Captain.
Can't speak to the 777 and later but the 767 still had them when I retired in 06. So did the 747-200, DC10-30 and A310-200 when I was flying them.
The new B787 does not have drain masts. All greywater goes into black tank. Pretty sure the A380 is the same. Probably new rules.
Interesting. Doesn't really surprise me but I wonder how much good it will actually do. Cost the airlines a few bucks in extra fuel each year as well. Must have grated a little bit at Boeing when the primary objective with the 787 was reduced weight and fuel consumption.
