Nav aids

St anns head 51-41N 005-11W mf rt and dsc off air

HYDROLANT 2431/09

issued: 2009-12-13 08:34Z
status: cancelled 2009-12-18 18:05Z (archive)
cancels: HYDROLANT 2420/09
authority: WZ 1450/09 121705Z DEC 09.
sea: Celtic Sea
position: 51.683, -5.183
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. ST ANNS HEAD 51-41N 005-11W MF RT AND DSC OFF AIR.
2. CANCEL HYDROLANT 2420/09.

This area · aids-to-navigation notices

1705 within 180 nm since 1997 · 1 in the last 12 months · 1 in force now

Fowey light 50-19.60N 004-38.90W unreliable2026-07-27
Fog signal at mumbles head light 51-34.00N 003-58.30W inoperative2024-04-26
Isle of man light 54-03.70N 004-48.00W unlit2024-04-25
Bishop rock light 49-52.40N 006-26.70W unreliable2024-04-11
RACON at bridge buoy 50-39.60N 001-36.90W inoperative2024-04-09
Fog signal at longships light 50-04.00N 005-44.80W inoperative2024-03-20

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

St anns head 51-41N 005-11W mf dsc off aircancels · 2009-12-12
St anns head 51-41N 005-11W mf dsc off airreplaced · 2009-12-12
Cancel HYDROLANT 2431/09 and this msg, service restoredcancelled by · 2009-12-18

Nearby now · within 120 nm

Fowey light 50-19.60N 004-38.90W unreliableNav aids · 83.9 nm

Worldwide now

194 aids-to-navigation notices in force · see all

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.