Foresti & Suardi Brass Ships Bell 305 mm - RINA Type ApprovedView all products in Bells

Foresti & Suardi Brass Ships Bell 12" (305 mm) - RINA Type Approved 2106A

Equipment for Sound Signals - International

• (a) A vessel of 12 meters or more in length shall be provided with a whistle, a vessel of 20 meters or more in length shall be provided with a bell in addition to a whistle, 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 specification 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

2 Bell or Gong

• (a) Intensity of Signal
  • A bell or gong, or other device having similar sound characteristics shall produce a sound pressure level of not less than 110 dB at a distance of one metre from it.
• (b) Construction
  • Bells and gongs shall be made of corrosion-resistant material and designed to give a clear tone. The diameter of the mouth of the bell shall be not less than 300 mm for vessels of 20 meters or more in length. Where practicable, a power-driven bell striker is recommended to ensure constant force but manual operation shall be possible. The mass of the striker shall be not less than 3% of the mass of the bell.

Proof of Compliance - Lights, Shapes, Sound-signalling Appliances and Radar Reflectors

• Each light, shape, sound-signalling appliance and radar reflector required by these Regulations to be carried or exhibited on a vessel, except those on a pleasure craft, shall have a proof of compliance stating that the light, shape, sound-signalling appliance or radar reflector meets the standards applicable under section 6.
• The proof of compliance shall be in the form of 
  • (a) a document that is carried on board the vessel in a readily accessible location; or
  • (b) a label that is securely affixed, in a readily visible location, to the light, shape, sound-signalling appliance or radar reflector.