USCG-ROR-L2.1

Narrow channels and the downbound vessel (Rules 9 and 10)

USCG-ROR-M2 · Steering, sailing and signalling: the Inland deltas · USCG-ROR-M2-A Narrow channels, the river rules, whistle signals of intent and agreement, and bridge-to-bridge radiotelephone.

On the Western Rivers and Great Lakes the vessel **coming down with the current** has the right-of-way and calls the passing. Inland Rule 9 also rewrites the overtaking signals.

AI-drafted catalogue content pending SME review. The Rules of the Road examination is the one module where a near miss fails you, and module assignments and pass marks are set by NMC examination policy rather than regulation; verify with the National Maritime Center before booking an exam or relying on any figure here.