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