bio15
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What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 6:41 am

I spotted this photo yesterday on the "most viewed" so I thought there was a forum thread going on about this, but found nothing.


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Photo © Oliver Brunke



I guess nobody has asked yet, so what is this green coat on the A300's surface? Thanks in advance.



Alfredo
 
MD11Engineer
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 6:44 am

Looks like deicing fluid to me.

Jan
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SkydrolBoy
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 6:45 am

It's de-icing fluid....can't remember what type is green though....
 
CRJ200Mechanic
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 7:18 am

Even thought I have never seen green de-icing fluid I would say its deicing fluid
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geoffm
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 7:24 am

All you ever wanted to know about one particular type of green de-icing fluid - assuming that is the correct answer:

http://www.dow.com/aircraft/resource/183-00003.pdf

Geoff M.
 
L-188
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 7:54 am

Looks like the old Eythel Glycol de-ice fluid, or the same stuff that you put in car radiators.

But that stuff AFAIK wasn't supposed to be used anymore because it tends to poison things.

I wasn't aware that colors of de-ice fluid had been standardized.
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airplay
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 11:10 am

Actually the green stuff isn't "de-icing" its "anti-icing". The orange stuff is for de-icing. The green stuff sticks to the airframe longer therefore affording a much longer hold-over time.

The green anti-ice stuff is "type IV".

http://www.lyondell.com/html/product...ets/deicers/type_IV_deicing_fluid/
 
UAcsOKC
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 11:35 am

Looks like someone wasted a lot of type IV. It should be on the wings and empennage only. Hopefully they didn't use it for De-Icing- the surface must be cleaned with type I first, then Anti-Iced with type IV.
I love the rumble of a 727 takeoff in the morning!
 
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HAWK21M
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 1:13 pm

How long does the Green Stain remain if Applied.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
troubleshooter
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 3:17 pm

Normally, anti-ice/de-ice fluid will "wash" off during take-off.

Here is one interesting link for those who want to dig a little deeper in the stuff: http://www.aea.be/aeawebsite/datafiles/AEAtrainman_v1_final.pdf
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UAcsOKC
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RE: What Is This Green Coating On The Aircraft?

Fri Feb 25, 2005 9:33 pm

Ethylene Glycol De/Anti-Ice Fluids remain in use, however it is not used as much because of environmental concerns. As far as I Know, the Isopropyl Alchohol/ethylene mixture (Type II) is no longer in use commercially.
The modern De-ice fluids consist of Propylene Glycol, with type I typically a low viscosity fluid that is mixed with water, then heated to 170- 180 degrees F to melt snow and ice. it is orange in color.
Type IV is used full strength, and has a thickening agent to allow it to stick to the aircraft surfaces. It is green in color. The thickening agent has a shear factor, so that when the airspeed increases the fluids breaks down an runs off the wing. It is used during periods of freezing precip as a protective layer to prevent refreezing of the lifting surfaces. it is also very expensive, so the use of it is determned by whether the extra hold time is needed.
Hope this helps  Smile
I love the rumble of a 727 takeoff in the morning!
 
L-188
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RE: What Is This Green Coating On The Aircraft?

Sat Feb 26, 2005 5:45 am

Quoting Airplay (reply 6):
The green anti-ice stuff is "type IV".


We used type IV too, but I remember it being more of a green/blue not a bright green in color.
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MD11Engineer
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RE: What Is This Green Coating On The Aircraft?

Sat Feb 26, 2005 11:55 am

Here they still use type II, under the brand name Killfrost in a 75/25 mix with water. It also gels and has certain anti-icing properties.

Jan
Je Suis Charlie et je suis Ahmet aussi
 
UAcsOKC
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RE: What Is This Green Coating On The Aircraft?

Sun Feb 27, 2005 8:24 pm

We use Killfrost here too, it is type IV though, and we use it 100%. Killfrost ABC-S. I don't know if yours is a different version...?
I love the rumble of a 727 takeoff in the morning!
 
bio15
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RE: What Is This Green Coating On The Aircraft?

Fri Mar 04, 2005 6:01 am

Hi everyone, thanks for the responses, it's clear now. I found another picture just 5 minutes ago, thought I might share:


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Photo © Jurgen Radier



Lufthansa seems to be using the green kind. It's cool to see how the fluid stays on the aircraft's skin pretty well, giving lufthansa that new cool livery people are talking about  eyebrow 

Regards,
Alfredo
 
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HAWK21M
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RE: What Is This Green Coating On The Aircraft?

Fri Mar 04, 2005 10:19 pm

Quoting Bio15 (reply 14):
Lufthansa seems to be using the green kind. It's cool to see how the fluid stays on the aircraft's skin pretty well, giving lufthansa that new cool livery people are talking about


It looks like a thin film of paint over the inner Zinc Chromate primer showing thru
regds
MEL
I may not win often, but I damn well never lose!!! ;)

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