VesOps: Reading the Fouling Graph, Fuel Model Limits, DSS Selector, and CP Traffic Light

Question: What do the fouling graph laden/ballast split, fuel model power limits, DSS selector, and CP traffic light score mean, and how do I use them?

1. Fouling Graph: Laden vs. Ballast Data Points
On the fouling graph, laden and ballast data points are colour-coded separately. Use the interactive legend to toggle either one on or off, so you can focus your analysis on just laden or just ballast performance without the other cluttering the view.

2. Fuel Model: Reading Power Limits
The fuel model chart displays three key power thresholds directly on the graph: EPL, NCR, and MCR. Use these to spot in real time when a vessel is deviating from its expected power/consumption relationship, without cross-referencing a separate spec sheet.

3. Fuel Model: Using the DSS Selector
The Douglas Sea Scale (DSS) filter lets you align performance analysis with the sea conditions specified in the Charter Party, normalising trends to those conditions rather than mixing in all weather states. Use this when a CP references a specific DSS range and you need performance figures that match it.

4. Fleet Overview: Reading the CP Warranty Traffic Light
The Fleet Overview traffic light scores each vessel's performance against its CP warranty conditions:

Use this to triage which vessels need a closer look before opening each one individually.