Dispatch with Upper Wing Frost(4)

曝光台 注意防骗 网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者

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SurveyResults
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Airbus Objective
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Mitigation Means
Performance and Operations Conference - Paris 2009 May 2009 Page 25
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Mitigation Means – Avoid Frost
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How to avoid frost contamination?
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Manualfuel transferon ground
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Only available on A330/A340
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Fuel transfer from outer to inner fuel tanks
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Good feedback from operators
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Time consuming procedure
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Not recommended in flight
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Limittheamountof fuel tankering
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Avoid contact of the fuel with upper wing skin
A321
Wing Tank
3 100 l (819 US Gal)
A318 / A319 / A320
Inner Feed Tank
3 110 l (822 US Gal)
A330 / A340-200 -300
Inner Feed Tank
10 910 l (2 882 US Gal)
A340-500 -600
Feed Tank 1(4)
5 010 l (1 323 US Gal)
Feed Tank 2(3)
13 850 l (3 659 US Gal)
Performance and Operations Conference - Paris 2009 May 2009 Page 26
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Conclusion
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OAT above freezing and no visible moisture: ¾ of reported cases
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Airbus fully understands
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Operationalbenefitsand potentialsavings
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Studyingpotentialsolutions and associatedplanning
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In the meantime, clean wing concept remains applicable
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…but mitigations means exist
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