From COG to CC — convert the course step by step from the chart to the compass course
| Course | Model or input | Value | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| COG Course over ground (the chart course) |
|||||||||||||||||
| Current |
|
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| = CTW Course through the water |
— | ||||||||||||||||
| Leeway |
| = TC |
True course
| — |
Variation
🧭 Auto (Danish waters)
|
|
|
= MC |
Magnetic course
| — |
Deviation
|
|
|
= CC |
Compass course (CC)
| — |
|