Nav aids

RACON at hook head light 52-07.3N 006-55.8W unreliable

Ireland-southeast Coast · Celtic Sea · HYDROLANT 309/16

issued: 2016-02-03 16:10Z
status: cancelled 2016-02-03 17:57Z (archive)
cancels: HYDROLANT 247/16
authority: WZ 184/16 031510Z FEB 16 - WZ 185/16 031555Z FEB 16.
sea: Celtic Sea
position: 52.122, -6.930
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

IRELAND-SOUTHEAST COAST.
CELTIC SEA.
DNC 19.
CHART 35147.
1. RACON AT HOOK HEAD LIGHT 52-07.3N 006-55.8W UNRELIABLE.
2. CANCEL HYDROLANT 247/16, AID RESTORED.

This area · aids-to-navigation notices

1485 within 180 nm since 1997 · 2 in the last 12 months · 2 in force now

Mew island light 54-41.90N 005-30.80W unreliable2026-08-11
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
NAVTEX station portpatrick (o) 54-51.00N 005-07.00W unreliable2024-04-06

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Ailsa craig light 55-15.1N 005-06.5W unreliablecancels · 2016-01-29
Ailsa craig light 55-15.1N 005-06.5W unreliablereplaced · 2016-01-29
Cancel HYDROLANT 309/16 and this msg, aid restoredcancelled by · 2016-02-03

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

195 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.