Deck: General Navigation

1. A A pilot vessel may sound an identity signal on the whistle.
2. B A vessel engaged in towing in fog shall sound a fog signal at intervals of less than one minute.
3. C 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.
4. D A vessel at anchor may sound one short, one prolonged, and one short blast.

Tip: press A-D to answer