Lights and Shapes RULE 31 Where it is impracticable for a seaplane to exhibit lights and shapes of the characteristics or in the positions prescribed in the Rules of this Part she shall exhibit lights and shapes as closely similar in characteristics and position as is possible. Lights and Shapes RULE 31 Where it is impracticable for a seaplane to exhibit lights and shapes of the characteristics or in the positions prescribed in the Rules of this Part she shall exhibit lights and shapes as closely similar in characteristics and position as is possible. Sound and Light Signals PART D-SOUND AND LIGHT SIGNALS RULE 32 Definitions (a) 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 from four to six seconds' duration. RULE 33 Equipment for Sound Signals (a) A vessel of 12 meters or more in length shall be provided with a whistle and a bell and a vessel of 100 meters 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 or 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 meters in length shall not be obliged to carry the sound signalling appliances prescribed in paragraph (a) of this Rule but if she does not, she shall be provided with some other means of making an efficient sound signal. Sound and Light Signals PART D-SOUND AND LIGHT SIGNALS RULE 32 Definitions (a) The word "whistle" means any sound signaling appliance capable of producing the prescribed blasts and which complies with specifications in Annex III to these Rules. (b) The term "short blast" means a blast of about 1 second's duration. (c) The term "prolonged blast" means a blast of from 4 to 6 seconds' duration. RULE 33 Equipment for Sound Signals (a) A vessel of 12 meters or more in length shall be provided with a whistle and a bell and a vessel of 100 meters 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 Rules. The bell or 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 meters in length shall not be obliged to carry the sound signaling appliances prescribed in paragraph (a) of this Rule but if she does not, she shall be provided with some other means of making an efficient sound signal. Sound and Light Signals RULE 34 Maneuvering and Warning Signals (a) When vessels are in sight of one another, a power-driven vessel underway, when maneuvering as authorized or required by these Rules, shall indicate that maneuver by the following signals on her whistle: -one short blast to mean "I am altering my course to starboard"; port"; -two short blasts to mean "I am altering my course to -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 maneuver is being carried out: (i) these light signals shall have the following significance: -one flash to mean "I am altering my course to starboard"; -two flashes to mean "I am altering my course to port"; -three flashes to mean "I am operating astern propulsion"; (ii) the duration of each flash shall be about one second, the interval between flashes shall be about one second, and the interval between successive signals shall be not less than ten seconds; (iii) the light used for this signal shall, if fitted, be an all-round white light, visible at a minimum range of 5 miles, and shall comply with the provisions of Annex I to these Regulations. |