The acoustic signalling system - for every ship and requirement A Kockum Sonics whistle is high-quality design, it contains the experience of more than 1 million TYFON installations! Audibility is determed not simply by the strength of sound emenating from the whistle – much more is entailed to overcome absorption, distortion and ambient noice. This quality is the result of more than 80 years of development. The TYFON fulfils all current IMO and national authority regulations.
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