USCG-OUPV-L3.2
The compass: variation, deviation and the three norths
USCG-OUPV-M3 · Navigation General (exam module Q171) · USCG-OUPV-M3-A Aids to navigation, the compass, charts and publications, tides and currents. 50 questions at 70%.
The magnetic compass points at neither the pole nor where your chart says north is. Two errors sit between the card and the truth, and the exam will make you walk from one to the other in both directions.
AI-drafted catalogue content pending SME review. USCG requirements change; verify every figure against the National Maritime Center and the current CFR before relying on it for an application.