Kahlenberg WT 25700 sound signal controllerKahlenberg Brothers Company backs its market-leading air horns with a comprehensive range of electrically powered air compressors, reservoirs, operating valves, sound signalling controllers and accessories.

Each component is designed and constructed to provide ease of installation and use and maximum reliability and longevity.

Parts are available to suit every installation from the smallest leisure boat to the largest commercial vessel.

Kahlenberg M-485A Whistle Control front panelA waterproof controller for your air or electric horn that automatically triggers sound signals to comply with Rule 35 of the Collision Regulations

The Kahlenberg M-485A Whistle Control is offers a simple twin rocker button format that can generate the following sound signals, for sailing yachts and powered vessels in restricted visibility, as per the IMO's International Regulations for Preventing Collisions at Sea (1972):

  • Vessel underway (Rule 35a)
  • Vessel underway but stopped (Rule 35b)
  • Vessel restricted in ability to manoeuvre (Rule 35c)

More Kahlenberg M-485A Whistle Control information