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Dumping Fuel

I have came across this term ‘dumping fuel’ quite a number of times when airliners have to make an emergency landings. Do they actually dump the fuel into seas and pollute them or do they release drop tanks like they do in military planes? Can someone enlighten me? THanks in advance.

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By: EGNM - 22nd June 2003 at 23:40

No probs A330 – if u dont ask, you dont learn!

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By: A330Crazy - 22nd June 2003 at 23:29

Cheers EGNM, see I new it would be a simple answer…:p

Cheers, from

Mr tHICKO:p

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By: EGNM - 22nd June 2003 at 12:47

cheers Wys!

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By: wysiwyg - 22nd June 2003 at 12:27

Couldn’t have put it better myself!

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By: EGNM - 21st June 2003 at 20:54

A330, Simple way to think of it – winter day, you breate and the air produces a condensation “Stream”, Well think -50 degrees c, and a jet engine with an EGT of around 600 degrees, just a bigger magnitude!

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By: A330Crazy - 21st June 2003 at 20:19

As we are on the “spray” terms, this is a silly question with probably one of the most simple answers… when a plane is high up in the sky, why does it leave contrails behind it?

Sorry to ask a silly question, but I really dont know! :confused: :rolleyes:

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By: EGNM - 21st June 2003 at 20:11

yea fuel dups come out of small pipes in the wing fuel tanks, which as stated above creates a fine mist, much of which evapourates. Yes it’s a pollutant, but a rare occurance and quite frankly a nessecity – not a good idea to land a strick a/c at 130knts full of fuel!

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By: robc - 21st June 2003 at 19:28

It sprays out it a mist

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