International Maritime Signals: Lights, Shapes, and Sound Codes
Classified in Visual arts
Written on in
English with a size of 5.09 KB
Maneuvering and Warning Sound Signals (Vessels in Sight)
These signals use short blasts (o, approximately 1 second) and prolonged blasts (__, 4–6 seconds).
- o: I am altering my course to starboard.
- oo: I am altering my course to port.
- ooo: I am operating astern propulsion (giving back).
- ooooo: Danger signal. I do not understand your intentions or actions.
- __ __ o: I intend to overtake you on your starboard side.
- __ __ oo: I intend to overtake you on your port side.
- __ o __ o: I agree with your proposed overtaking maneuver.
- __: Prolonged blast used as a warning signal when approaching a bend or leaving a berth.
Acoustic Signals in Reduced Visibility (Fog Signals)
These signals are sounded at intervals not exceeding two minutes.
- __: Power-driven vessel