The KB-30A is a IMO type approved electronic ship horn and loud system for marine use that produces a powerful horn signal in excess of 130 decibels (1/3 Octave Band) for vessels up to 75 meters in length.
It also provides voice amplification and "talkback" function for communication between helm station and personnel on the exterior deck of the vessel. The KB-30A System consists of two major components being the ship horn unit and the control / microphone unit. The KB-30A can also be used in combination with the M-512 Signal Controller, or any Kahlenberg Signal Controller for automated signaling functions.
The optinal M-512 Sound and Light Control significantly improves safety by producing automatic sound and light signals for navigation as required by USCG, IMO and SOLAS, with a more user friendly and more compact control panel. Producing automated restricted visibility codes (fog), maneuvering codes, and general emergency alarm codes per IMO and SOLAS requirements, the M-512 controls up to two horns, and/or two morse signal lights. It can also be configured for use with external alarm systems and sound surveillance systems to suit the needs of almost any arrangement of modern ship systems.
All of our Kahlenberg ship horns for the High Seas, Inland shipping and Leisure markets are built to the highest quality standards. They offer owners and captains a highly reliable means of meeting IMO/USCG tone signalling requirements and an aesthetically pleasing element on board with a distinctive sound that will be the envy of everyone. With a worldwide reputation for durability, distinctive sound and exceptional finish, Kahlenberg Air Horns can be found on most mega yachts in the world. All Kahlenberg audio signals are tested and certified in an in-house laboratory to ensure compliance with the standards set by the International Maritime Organization (IMO) and the Collision Regulations (COLREG).
The "Convention on the International Regulations for Preventing Collisions at Sea (COLREG, 1972 - Annex III) describes the technical details of sound signal appliances with respect to the sound signal intensity and the range of the audibility (see: COLREGS - International Regulations for Preventing Collisions at Sea; Annex Ill - Technical Details of Sound Signal Appliances; Chapter 1. Whistles (check IMO for latest version!)
Ship length [m]: < 20
Ship length [m]: 20 - 75
Ship length [m]: 75 - 200
Ship length [m]: > 200
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