Chapter 3 | Reg. 6 – Communications
1. Paragraph 2 applies to all passenger ships and all cargo ships of 300 gross tonnage and upwards.
2. Radio life-saving appliances
2.1 Two-way VHF radiotelephone apparatus
2.1.1 At least three two-way VHF radiotelephone apparatus shall be provided on every passenger ship and every cargo ship of 500 gross tonnage and upwards. At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of 300 gross tonnage and upwards but less than 500 gross tonnage. Such apparatus shall conform to performance standards not inferior to those adopted by the Organization. If a fixed two-way VHF radiotelephone apparatus is fitted in a survival craft it shall conform to performance standards not inferior to those adopted by Organization.
2.1.2 Two-way VHF radiotelephone apparatus provided on board ships prior to 1 February 1992 and not complying fully with the performance standards adopted by the Organization may be accepted by the Administration until 1 February 1999 provided the Administration is satisfied that they are compatible with approved two-way VHF radiotelephone apparatus.
2.2 Search and rescue locating devices
At least one search and rescue locating device shall be carried on each side of every passenger ship and of every cargo ship of 500 gross tonnage and upwards. At least one search and rescue locating device shall be carried on every cargo ship of 300 gross tonnage and upwards but less than 500 gross tonnage. Such search and rescue locating devices shall conform to the applicable performance standards not inferior to those adopted by the Organization. The search and rescue locating devices shall be stowed in such location that they can be rapidly placed in any survival craft other than the life raft or life rafts required by regulation 31.1.4. Alternatively one search and rescue locating device shall be stowed in each survival craft other than those required by regulation 31.1.4. On ships carrying at least two search and rescue locating devices and equipped with free-fall lifeboats one of the search and rescue locating devices shall be stowed in a free‑fall lifeboat and the other located in the immediate vicinity of the navigation bridge so that it can be utilized on board and ready for transfer to any of the other survival craft.
3. Distress flares
Not less than 12 rocket parachute flares, complying with the requirements of section 3.1 of the Code, shall be carried and bestowed on or near the navigation bridge.
4. On-board communications and alarm systems
4.1 An emergency means comprised of either fixed or portable equipment or both shall be provided for two-way communications between emergency control stations, muster and embarkation stations and strategic positions on board.
4.2 A general emergency alarm system complying with the requirements of paragraph 7.2.1 of the Code shall be provided and shall be used for summoning passengers and crew to muster stations and to initiate the actions included in the muster list. The system shall be supplemented by either a public address system complying with the requirements of paragraph 7.2.2 of the Code or other suitable means of communication. Entertainment sound systems shall automatically be turned off when the general emergency alarm system is activated.
4.3 The general emergency alarm system shall be audible throughout all the accommodation and normal crew working spaces. On passenger ships, the system shall also be audible on all open decks.
4.4 On ships fitted with a marine evacuation system communication between the embarkation station and the platform or the survival craft shall be ensured.
5. Public address systems on passenger ships
5.1 In addition to the requirements of regulation II-2/12.3 and of paragraph 4.2, all passenger ships shall be fitted with a public address system. With respect to passenger ships constructed before 1 July 1997 the requirements of paragraphs 5.2 and 5.4, subject to the provisions of paragraph 5.5, shall apply not later than the date of the first periodical survey after 1 July 1997.
5.2 The public address system shall be clearly audible above the ambient noise in all spaces, prescribed by paragraph 126.96.36.199 of the Code, and shall be provided with an override function controlled from one location on the navigation bridge and such other places on board as the Administration deems necessary, so that all emergency messages will be broadcast if any loudspeaker in the spaces concerned has been switched off, its volume has been turned down or the public address system is used for other purposes.
5.3 On passenger ships constructed on or after 1 July 1997:
1. the public address system shall have at least two loops which shall be sufficiently separated throughout their length and have two separate and independent amplifiers; and
2. the public address system and its performance standards shall be approved by the Administration having regard to the recommendations adopted by the Organization.
5.4 The public address system shall be connected to the emergency source of electrical power required by regulation II-1/42.2.2.
5.5 Ships constructed before 1 July 1997 which are already fitted with the public address system approved by the Administration which complies substantially with those required by paragraphs 5.2 and 5.4 above and paragraph 188.8.131.52 of the Code are not required to change their system.
[Generally for ships constructed from 01-Jul-1998]
[Para 5.3 Specific for passenger ships constructed on or after 1 July 1997]
[Para 5.5 Specific for passenger ships constructed before 1 July 1997]
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