Thai Airways cancelled TG433 Bangkok-Jakarta and the return TG434 after ash from Anak Krakatau closed eight Indonesian airports, including Jakarta's main Soekarno-Hatta. The Transport Ministry says 170,000 people were affected, and the closure end time is unclear. If your business has Jakarta trips, shipments or staff travel planned, rebook or check alternative routes and confirm with your freight or travel provider. Otherwise there is no action needed for most Thai SMEs.