Sound Signals

Question 1

Vessels Turning about

Answer 1

A power-driven vessel intending to turn about in a fairway must sound four, rapid short blasts and after a short interval must, if turning to starboard, sound one further short blast or, if turning to port, sound two further short blasts. During the turn the signal must be repeated from time to time to warn any approaching vessel.

Question 2

Vessels entering a fairway

Answer 2

A power-driven vessel about to enter a fairway from a creek, dock, basin, lock, wharf, jetty, tier or anchorage must sound one prolonged blast.