Foghorn, designed to provide 2 nautical miles omni-directional coverage. For offshore structures and in line with IALA and DGSM regulatory requirements.


Key features

  • Reliable marine foghorn, low cost of ownership
  • Operating voltage and code control provided from Navaid Central Control Panel (NCCP)
  • Monitoring system integrated in Navaid Central Control Panel (NCCP)
  • Offshore coated seawater resistant light alloy body or casted stainless steel 316 body
  • Can be supplied as a main/secondary foghorn as part of the Navaid Central Control Panel (NCCP)


  • Complies with IALA regulation; O-139 The marking of man-made offshore structures – Dec. 2008; chapter 2, paragraph 2.1.2 – Foghorn
  • Complies with UK Department for Transport; Standard marking schedule for offshore installations – Dec. 1994; chapter 4 – Foghorn
  • Complies with Mining regulations of the Netherlands – Dec. 2002, Article 5.2 – Foghorn
  • Certified with US Coast Guard; 33 C.F.R. Part 67 – Aids to navigation on artificial islands and fixed structures

Performance characteristics

  • Morse code ‘U’ every 30 seconds from Navaid Central Control Panel (NCCP)
  • Alternative codes available; USCG 2 sec blast every 20 seconds (2 sec sound, 18 sec silence)
  • Effective range main foghorn: 2.0NM (134dB(A) at 1 meter)
  • Horizontal sound output: 360°

Electrical characteristics

  • Operating voltage: 190Vac ; 860Hz from Navaid Central Control Panel (NCCP)
  • Power consumption: 100W peak
  • Connection details: max. 6mm²; one M25x1.5 cable gland entry
  • Earth connection: internal M6 and external M6

Physical characteristics

  • Dimensions (L x W x H): 676 x 464 x 1894mm
  • Stainless steel version dimensions (L x W x H): 544 x 452 x 1871mm
  • Weight: 175kg (stainless steel version: 360kg )
  • Design degree of protection: IP66
  • Operating temperature range: –20°C to +55°C (stainless steel version +50°C)