Soekarno-Hatta International Airport near Jakarta experienced temporary flight disruptions and closures following volcanic ash drift from Mount Ruang in North Sulawesi. According to the Indonesian Ministry of Transportation, authorities halted operations to ensure passenger safety as particulate matter drifted into regional airspace.
Volcanic Ash Hazards and Aviation Safety
Volcanic ash poses severe risks to commercial aircraft, primarily due to silicate minerals melting inside jet engines and forming glass-like deposits on turbine blades. According to the Volcanic Ash Advisory Center (VAAC), microscopic ash particles can also abrade cockpit windows, clog fuel systems, and disable critical pitot-static instruments. Aviation regulators enforce strict no-fly zones around active eruptions because airborne grit compromises visibility and engine performance across high altitudes.
Operational Impacts at Soekarno-Hatta International
Airlines operating through Soekarno-Hatta International Airport faced widespread flight cancellations, diversions, and lengthy delays during the closure window. According to airport operator PT Angkasa Pura II, ground crews conducted continuous runway inspections and airspace monitoring before clearing facilities for the resumption of scheduled departures and arrivals. Officials advised travelers to check directly with carriers regarding schedule adjustments as flight banks recovered from the temporary suspension.
Regional Monitoring of Mount Ruang
Mount Ruang, located in the Sitaro Islands regency of North Sulawesi, has maintained elevated activity levels prompting continuous surveillance by Indonesia’s Center for Volcanology and Geological Hazard Mitigation (PVMBG). According to PVMBG seismic reports, explosive eruptions dispatch ash plumes thousands of meters into the atmosphere, where prevailing wind patterns carry the debris across neighboring islands and commercial flight corridors.
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