Our product range includes a wide range of polyform a4 heavy duty buoy, mcmurdo tt1708a r5 vhf lithium battery, 509 grams,, svdr jrc jcy 1850, sailor sart ii replacement battery and marine fog horns.
In late 1955, Polyform produced the world’s very first inflatable, all-plastic buoy in Aalesund, Norway. This was the first buoy in a series of buoys that was to become the POLYFORM® A-series, and they established the standard for buoy design and quality.
McMurdo R5 VHF Battery TT-1708A The McMurdo R5 Battery is a replacement TT-1708A Lithium battery for the R5 Two Way radios. 5 years storage life. This VHF Battery is non-rechargeable
Complete replacement of the battery SART McMurdo S4 - is a lithium battery which ensures operation RLS for over 5 years. After activation, ensures continuous operation of 96 hours. Suitable for SART Sailor II. The lithium battery has been tested and is certified CCS CQ07T00007, as well as meet the requirements of the international standard IMO. A.802 (19), IMO. A.809 (19), and the IMO. A.810 (19). The battery is disposable and can not be recharged. Supplied with special markings that would have after installing the battery monitor its expiry date and time to provide a replacement. Specifications: Nominal capacity - 1300 mAh Voltage - 5.5 Battery Type - LiMnO2 Shelf life - 5 years UN Number - UN3090 Continuous operation - 96 hours Weight - 297 gramm
AUDIBILITY ACC. TO IMCO DEFINITION , NAUTICAL MILES
1,0
If the whistles are fitted at a distance apart of more than 100 metres, it shall be so arranged that they are not sounded simultaneously. 2. Combined whistle systems are to be arranged when one single whistle is likely to have a zone of greatly reduced signal level, due to the presence of obstructions. 3. If the whistles are to be used as a combined system — fitted at a distance apart of not more than 100 metres — they shall be arranged to be sounded simultaneously. The frequency of any of the whistles shall differ from those of the others by at least 10 Hz. IMO — Two or more Whistles IMO — Sound Distribution A whistle shall be placed as high as practicable on a vessel in order to reduce interception of the emitted sound by obstructions and also to minimize hearing damage risks to personnel. The sound level of the vessel's own signal at listening posts shall not exceed 110 dB(A) and as far as practicable should not exceed 100 dB(A).
