E27 · Q&A
Which category is engine-room monitoring? How are CBSs classified?
The intent behind this long-tail query：Wanting to know which Category (I/II/III) a CBS falls into and on what basis.
Quick answer
- E27 classifies each CBS into Category I, II or III by failure consequence; higher category, stricter requirements.
- Classification mainly considers the direct impact on safe navigation, propulsion and life if the system fails or is compromised.
- Engine-room monitoring is typically treated as Category II, but the final category is decided by class for that ship's configuration.
First, understand what E26 / E27 is
← First, understand what E26 / E27 is
Related equipment landing page
Engine Room MonitoringThis page's reading of IACS UR E26/E27 is for reference only; formal compliance requirements and classification are decided by the class society.