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Thread: Too much FSII

  1. #1
    Join Date
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    Default Too much FSII

    Oops! They blame the engineer, or was it the refueler?

    https://www.bbc.co.uk/news/amp/uk-en...ussex-52379192
    Giz a job!

  2. #2
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    Default Re: Too much FSII

    The bulletin is an interesting and concerning read.
    37x too much biocide not mixed with the fuel prior to refuelling.

    https://assets.publishing.service.go...020_G-POWN.pdf

    There have been issues in the US prior to this incident with the same biocide.
    What goes up nearly always comes down.

  3. #3
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    Default Re: Too much FSII

    Quote Originally Posted by jetfueldrinker View Post
    Oops! They blame the engineer, or was it the refueler?

    https://www.bbc.co.uk/news/amp/uk-en...ussex-52379192
    The additive is a biocide, not FSII, Icing Inhibitor.

    In the days when I worked in tropical regions, the biocide we used was called Biobor-JF. We added it to the fuel tanks holding a specified minimum amount of fuel and let it settle overnight. Thereafter, the aircraft would be released to fly with more fuel added as required for the sector. We never had issues with engine performance on the flight line.

    Maybe some serving LAEs can brief us on how this new Kathon additive is supposed to be handled.
    I love this job

  4. #4
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    Default Re: Too much FSII

    Quote Originally Posted by No Smoking View Post
    The additive is a biocide, not FSII, Icing Inhibitor.

    In the days when I worked in tropical regions, the biocide we used was called Biobor-JF. We added it to the fuel tanks holding a specified minimum amount of fuel and let it settle overnight. Thereafter, the aircraft would be released to fly with more fuel added as required for the sector. We never had issues with engine performance on the flight line.

    Maybe some serving LAEs can brief us on how this new Kathon additive is supposed to be handled.
    60 Kgs of the stuff? I haven't had to shock a fuel system in my time as an LAE , but the times I have under direction as a mech ages ago in base with bad fuel samples was never that amount. Blended and a lot less than that! Less than a 5 litre barrel (146 was the last aircraft I think!) Direct and not blended, I bet its SG is more then .79. Better look that up on google. 1.02! Where is 30 litres of that poured into each wing going to settle! In the collection area. No wonder the engines had a hissle fit. Ratio in burners would be...
    Last edited by Alber Ratman; April 25th, 2020 at 00:29.
    Alonso Hater

  5. #5
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    Default Re: Too much FSII

    Quote Originally Posted by Coxy8329 View Post
    The bulletin is an interesting and concerning read.
    37x too much biocide not mixed with the fuel prior to refuelling.

    https://assets.publishing.service.go...020_G-POWN.pdf

    There have been issues in the US prior to this incident with the same biocide.
    Thanks for linking the report, and I have read it. Seems the manufacturer has pulled its use. No EASA TC airframes have any biocide now? Fairly important to sort seeing so many airframes are in storage now. People better start doing proper water drains! Well hopefully after BREXIT, British operators will start using British MROs for their base maintenance. Alas, they will not.
    Last edited by Alber Ratman; April 25th, 2020 at 13:18.
    Alonso Hater

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