Maritime Sound Signals

11 Responses | Created by doverpro |

Do you know what a different number or length of sound signals mean at sea? Test your knowledge with our quick quiz...

  1. 1

    How many blasts for - I am altering my course to starboard?

  2. 2

    How many blasts for - I am nearing a bend where another vessel may be obscured by an intervening obstruction?

  3. 3

    How many blasts for - I am altering my course to port?

  4. 4

    How many blasts for - I am in doubt about your action taken to avoid collision?

  5. 5

    How many blasts for - I am operating a stern propulsion?

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