🌐EnglishEnglishDeutschFrançaisNederlands한국어中文日本語EntityQ1133625· pop 7· linked from 118 articlesVolcanic Ash Advisory CenterAlso known as Volcanic Ash Advisory Center; VAACexpert group providing information on atmospheric volcanic ash clouds hazardous for airplanesAvailable in 7 languagesFrançaisDeutsch中文日本語Nederlands한국어via Wikidata sitelinks · CC0ConnectionsLondonCityUnited NationsEntityCategoriesAviation meteorologyAviation risksAviation safety organizationsHistory of air traffic controlVolcanologyVolcano monitoring