We would like to inform you that a System Upgrade will take place today (May 21) at 21:00 (UTC) and will last for a couple of hours.
During this period, you will not be able to sign-in to your MarineTraffic Account.
We apologise for the inconvenience and thank you for your understanding.
[UPDATE May 22]
Maintenance is over. Everything is back to normal.
Once again, thank you for your understanding!