USCG-OUPV-L2.4

Lights and shapes

USCG-OUPV-M2 · Rules of the Road (exam module Q100) · USCG-OUPV-M2-A Inland and International rules of the road — 50 questions at a 90% pass mark, with no references permitted.

Lights tell you three things: what the vessel is, which way she is heading, and what she is doing. The exam tests all three, usually by describing what you can see and asking what it must be.