4.6 INTERNATIONAL RULES FOR PREVENTION OF COLLISION AT SEA (COLREG 1972)

The pneumatic hoot (horn) installed on board of the ship, satisfies adequately the requirements prescribed by the regulation against collisions at sea (Colreg 1972). Hereunder please find an off-print of the “International rules for prevention of collisions at sea”.

• Application (Rule no.1): the current Norms are applicable to all crafts at high sea and to all waters communicating with it, accessible for sea navigation.
• Responsibility (Rule no.2): none of the current rules can exempt a craft, its Owner or the crew from the consequences of any negligence of application of the said rules.
• Definitions (Rule no.32):
  – “one short sound”, of the duration of approximately a second;
  — “prolonged sound”, of the duration of four to six seconds;
• Signals of manoeuvre and warning (Rule no. 34):
  – one short sound “I am going starboard”;
  – – two short sounds “I am going to port”;
  – – – three short sounds “I am going backward”;
  — — – two prolonged sounds and a short one “I am going to overtake you starboard”;
  — — – – two prolonged sounds and two short ones “I am going to overtake you port”;
  — – — – one prolonged sound, a short one, a prolonged one and a short one “OK for the overtaking”;
  – – – – – five short sounds “I have doubts about this manoeuvre”;
  — a prolonged sound “craft approaching a channel elbow”;
  — a prolonged sound “craft answering to previous signal”.
  
• Signals with poor visibility (Rule n°35 and n°37):
  — a prolonged sound at two minutes interval “craft at mechanical thrust in fresh way”;
  — — two prolonged sounds with an interval of two seconds and repeated every two minutes “ship with mechanical thrust in navigation, with engines shut-off and without fresh way”;
  — – – a prolonged sound and two short ones at intervals of two minutes “ship out of control or with manoeuvre troubles or hauling”;
  — – – – a prolonged sound and three short ones at intervals of two minutes “last ship towed answering to ship hauling”;
  – — – a short sound, a prolonged one and a short one “ship riding the anchor giving its position to a ship approaching with hazard of collision”;
  – – – – – five seconds of continuous sound at intervals of one minute “ship riding the anchor giving its position”;
  – – – three short sounds one after the other “craft stranded”;
  – – – – four short sounds “pilot craft in service”;
  ———— a continuous sound “danger and rescue need”.