Rule 37 : Distress signalsWhen a vessel is in distress and requires assistance she shall use or exhibit the signals described in Annex IV to these Regulations. … [Read more...]
Rule 36 : Signals to attract attention
Rule 36 - Signals to attract attentionIf necessary to attract the attention of another vessel any vessel may make light or sound signals that cannot be mistaken for any signal authorized elsewhere in these Rules, or may direct the beam of her searchlight in the direction of the danger, in such a way as not to embarrass any vessel. Any light to attract the attention of another vessel shall be such that it cannot be mistaken for any aid to navigation. For the purpose of this Rule the use of high intensity intermittent or revolving lights, such as strobe lights, shall be avoided. … [Read more...]
Rule 35 – Sound signals in restricted visibility
Rule 35: Sound signals in restricted visibilityIn or near an area of restricted visibility, whether, by day or night, the signals prescribed in this Rule shall be used as follows:a. A power-driven vessel making way through the water shall sound at intervals of not more than 2 minutes one prolonged blast.b. A power-driven vessel underway but stopped and making no way through the water shall sound at intervals of riot more than 2 minutes two prolonged blasts in succession with an interval of about 2 seconds between them. c. A vessel not under command, a … [Read more...]
Rule 34 – Manoeuvring and warning signals
Rule 34 : Manoeuvring and warning signalsa. When vessels are in sight of one another, a power-driven vessel underway, when manoeuvring as authorized or required by these Rules, shall indicate that manoeuvre by the following signals on her whistle:one short blast to mean “I am altering my course to starboard”;two short blasts to mean “I am altering my course to port”;three short blasts to mean “I am operating astern propulsion”.b. Any vessel may supplement the whistle signals prescribed in paragraph (a) of this Rule by light signals, repeated as appropriate, whilst the … [Read more...]
Rule 33 – Equipment for sound signals
Rule 33 : Equipment for sound signals a. A vessel of 12 m or more in length shall be provided with a whistle and a bell and a vessel of 100 m or more in length shall, in addition, be provided with a gong, the tone and sound of which cannot be confused with that of the bell.The whistle, bell and gong shall comply with the specifications in Annex III to these Regulations.The bell of gong or both may be replaced by other equipment having the same respective sound characteristics, provided that manual sounding of the prescribed signals shall always be possible.b. A vessel of less than 12 m … [Read more...]
Rule 32 – Definitions
PART D - SOUND AND LIGHT SIGNALS Rule 32 : Definitionsa. The word whistle means any sound signalling appliance capable of producing the prescribed blasts and which complies with the specifications in Annex III to these Regulations.b. The term short blast means a blast of about one second’s duration. c. The term prolonged blast means a blast of four to six seconds’ duration. … [Read more...]