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Mass levels of control according to the IMO in the frame of a regulatory scoping exercise from 2018 [121].
| Level | Description |
|---|---|
| 1 | Ships with automated processes and decision support |
| 2 | Remotely controlled ships with seafarers onboard |
| 3 | Remotely controlled ships without seafarers on board |
| 4 | Fully autonomous ships |
