VSAT availability measures how often the internet service is accessible without interruptions. For maritime applications, high availability is crucial—ships depend on constant connectivity for safety, operations, and crew morale. Top-tier providers offer 99.9% uptime by utilizing multiple satellite beams and backup links. Factors like weather, satellite positioning, and antenna alignment can impact availability. Modern systems have built-in failovers and auto-beam switching to maintain service even under harsh conditions at sea.
