Deck 2014: Rules of the Road

1. A When a pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel.
2. B A vessel at anchor may sound one short, one prolonged, and  one short blast.
3. C A pilot vessel may sound an identity signal on the whistle.
4. D A vessel engaged in towing in fog shall sound a fog signal  at intervals of one minute.

Tip: press A-D to answer