Nautical Term: Not under control

Definition of Not under control

The nautical term ‘Not under control’ (NUC) refers to a vessel that is not being effectively operated or managed by its crew. This can result from various factors such as equipment failure, loss of power, or crew incompetence.

For instance, imagine a cargo ship that suddenly loses power due to an engine failure. The ship drifts off course and starts to take on water due to the heavy seas. In this situation, the cargo ship is considered to be ‘Not under control’ (NUC) due to the loss of power, drifting off course, and taking on water.

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