During the Deepwater Horizon incident in 2010 , the service was used by the response team to monitor up to 5,050 sea vessels , 30,800 personnel , and several dozen aircraft at a time . It is also commonly used in dispute resolution over maritime incidents . During the 2010 Deepwater Horizon incident , Today AIS technology is mandated by international law in order to prevent maritime collisions
Deepwater Horizon incident in 2010
Deepwater Horizon oil spill
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