When was the first volcanic ash advisory issued for aviation?
Quick Answer
International volcanic ash advisories became part of aviation safety in the late 1980s and early 1990s. The system was formalized after major aviation incidents involving ash.
The Full Story
Volcanic ash warning procedures for aviation were formalized in the late 1980s and early 1990s, following dangerous encounters between aircraft and ash clouds. The global network of Volcanic Ash Advisory Centers was created so pilots and airlines could avoid hazardous plumes. Ash can sandblast windows, damage engines, and reduce visibility. The system has since become a standard part of global flight safety.
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"Why do planes avoid volcanic ash? The answer became formal aviation policy in the late 20th century."
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