If you need to change a seafarer’s rank while they’re onboard one of your vessels, go to Planning > Vessels tab. Use the filters to search for the seafarer and then click their name in the calendar to see their Assignment details:
You can only change a seafarer's rank if they are currently onboard (green bar).
You will see this pop-up box. Click Change Rank:
That will open this pop-up box:
Here you can:
Select a new rank.
Enter the date the change of rank will be effective from.
Enter the seafarer’s estimated disembarkation date.
Previous Guide: Using the Seafarers Tab in Planning