ewrlovr
Posts: 22
Joined: Mon Aug 22, 2005 1:40 am

Fuel Dump Over EWR!

Tue Dec 20, 2005 7:22 am

hey guys, I just wanted to tell all of you that yesterday the 18th, a kallita 747-200 freighter took off around 2:30 or 2:40 pm and i noticed that it was dumping something because of the white stream it was releasing could anyone tell me why that plane would dump fuel within seconds after takeoff.
thanks for your answers!!!
 
yhz78
Posts: 140
Joined: Sun Apr 18, 2004 9:26 am

RE: Fuel Dump Over EWR!

Tue Dec 20, 2005 7:45 am

Are you sure it wasn't just condensation off the wings?
Canada Rocks! From the west coast to the best coast!
 
Lemurs
Posts: 1320
Joined: Sat Mar 12, 2005 5:13 am

RE: Fuel Dump Over EWR!

Tue Dec 20, 2005 3:19 pm

There is a situation where excess fuel can be dumped out the fuel dump lines on rotation on a 747, due to the way the fuel system works. I suggest searching Tech/Ops and failing there, posting there.
There are 10 kinds of people in the world; those who understand binary, and those that don't.
 
pilottim747
Posts: 1577
Joined: Tue Jul 17, 2001 2:34 pm

RE: Fuel Dump Over EWR!

Tue Dec 20, 2005 3:25 pm

The flight (CKS329) continued on to Liege, Belgium (LGG) so dont think it'd be dumping fuel on climbout.

pilottim747
Aviation Photographers & Enthusiasts--Coordinate your life.
 
wjcandee
Posts: 5339
Joined: Mon Jun 05, 2000 12:50 am

RE: Fuel Dump Over EWR!

Tue Dec 20, 2005 4:09 pm

Quoting EWRlovr (Thread starter):
i noticed that it was dumping something because of the white stream it was releasing

Maybe somebody was standing the lav using the sink.  Smile
 
PSAjet17
Posts: 368
Joined: Thu Dec 11, 2003 5:50 am

RE: Fuel Dump Over EWR!

Tue Dec 20, 2005 11:16 pm

I believe this has been discussed here before that the 747 has an overflow vent on the wings. If there is any fuel collected in the overflow, the combination of airflow across the wing and the rotation angle causes this fuel to spray out looking like fuel dumping. It was discussed that the wing tanks are always filled totally before fuel is stored in the center tank(s), it is not unusual to have some fuel in the wing overflow.

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