On Monday 16th March between 08:00 and 17:00, Trinity House will be undertaking testing of upgrade works to their fog signal aid at St Ann’s Lighthouse.
- MARINERS ARE HEREBY ADVISED that, Trinity House are planning to undertake upgrade works to their Fog Signal Aid at St. Anns Lighthouse.
- As part of the preliminary works Trinity House will be carrying out a short trial of a new “hazard warning system” (fog signal).
- Trinity House will be undertaking the trial between 08:00 and 17:00 on 16th March. During this time the tone and character of the signal will be temporarily changed to blast for three seconds every 60 seconds, but the range will remain as previously.
- Upon completion of the trial, the signals character and tone will revert to its original character of two blasts every 60 seconds.
- The trial will be weather dependent and will only be conducted if the visibility in the area is good.
- This notice will self-cancel at 23:59 on 16th March 2026.
BY ORDER
M RYAN
HARBOURMASTER
Port of Milford Haven
Gorsewood Drive
Hakin
Milford Haven
Pembrokeshire
SA73 3EP
Tel: 01646 696100
Email: enquiries@mhpa.co.uk