Vessel at anchor under 100 metres.
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More information about
Navigation and Fog sound Signals
Others are:
Sound 1 Long blast where other vessels may be obscured by obstruction.
Altering course to starboard
Intention to overtake on your starboard side.
Intention to overtake you on your port side.
Altering course to port
Operating astern propulsion
In doubt about signal intention or safety of the proposed manoeuvre.
Vessel making way through water
Underway but stopped and making no way.
Vessel Not under command, Restricted in ability to manoeuver or Contrained by Draught.
Vessel engaged in towing.
Pilot vessel.
Vessel at anchor under 100 metres.
Vessel 100 metres long or greater, aground.
Vessel aground at 100 metres or over.
Vessel indicating agreement to being overtaken.
Vessel indicating agreement to being overtaken.