# What do the colours mean in the planning?

When safe manning does not require a certain rank to be scheduled, this rank will be displayed as a white line.  
A red line indicates that this rank is required according to the safe manning, but has not yet been scheduled.

[![crewing-planning-red-white.png](https://docs.mxsuite.nl/uploads/images/gallery/2024-12/scaled-1680-/crewing-planning-red-white.png)](https://docs.mxsuite.nl/uploads/images/gallery/2024-12/crewing-planning-red-white.png)