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Flight Operations in presence of Volcanic Contamination Processes that should be considered in the development of Volcanic Event Contingeny Plans FlightOps in+near VA Processes IVATF2.pptxCapt Heinz Frühwirth10 June 2011
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Puyehue, Chile; June 2011; © Reuters
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Overarching Principles Volcanic Contamination is a Hazard to Flight Operations! Support required Information management Central role of ATS units © Reuters 2011
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Contingency Plan Basics
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ICAO Doc 9766 Volcano Level of Alert Colour Code
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non-eruptive state (Green Alert)
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Pre-eruption up to orange alert colour code (part „heightened unrest“) I cannot see anything!
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Lava eruption Orange Alert „no or minor ash emisson“ I see lava flowing! Let‘s tell ATC!
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Lava eruption affecting airport Orange Alert „no or minor ash emisson“ It‘s getting hot What shall we do?
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initial Airuption Volcanic Cloud! I need to divert! Volcanic Cloud! I need to divert! AIREP Special
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Volcanic Ash Advisories available ongoing eruptions
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Back to Normal (Green Alert)
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