About Kahlenberg UK

Kahlenberg UK Ltd is the European distributor for Kahlenberg Industries, Inc. providing full European support and local stock for Kahlenberg marine and industrial air horns, sound signals, controllers, air compressors and the company's other products.

Please contact us for further assistance at or on +44 (0)1635 35353

Sound signal legal requirements

IMO COLREGs bookWhile countries across Europe will have local laws that apply to ship and boat navigation, there is a common requirement worldwide for all leisure, commercial and military vessels to conform to the IMO International Regulations for Preventing Collisions at Sea. As Steve Austin, Senior Policy Lead at the UK Maritime & Coastguard Agency (MCA) explains: "The COLREGs apply to all vessels, there is no differentiation between coded and non-coded vessels. Should the whistles prove not to conform then they will need to be modified or changed."

"Whistles should conform to the performance in COLREGs, Appendix III and the appropriate parts of IEC 60945 to EN60945 which deal with the marine operating environment."

All Kahlenberg products meet or exceed these requirements. Many other new and currently installed sound signals are non-compliant and might be breaching maritime law and invalidating insurance cover.

IMO compliance theme at Seawork 2011

Kahlenberg UK Seawork 2011 commercial marine exhibition standKahlenberg UK has seen much interest in the universal IMO compliance of its Kahlenberg air horns and electric horns at Seawork International 2011 commercial marine exhibition in Southampton.

Products on display include the Kahlenberg KB-30 horn/hailer, a set of Chimetone D-1 air horns, a Kahlenberg KM-250-DVM-H air horn and the new Kahlenberg S-330 marine air horn. Also on show is the M-611 sound and light signal controller.

Speaking from the show today, company chairman Piers du Pré confirmed that there was a common theme to many of the enquiries on the stand, with particular interest centered on the fact that all Kahlenberg sound signals are compliant with the requirements of the IMO and inland waterway authorities.

"Any operator of owner of a boat should be familiar with their responsibilities under the ColRegs and other legislation such as the European CEVNI rules," Piers stated, "but of course this is particularly acute for commercial operations where vessels are often in use 24 hours a day, in all conditions.


Further information

Call Kahlenberg UK now on +44 (0)1635 35353 or email