Nav aids

South stack light 53-18.4N 004-42.0W unreliable

Irish Sea · Wales · HYDROLANT 1530/17

issued: 2017-05-15 11:25Z
status: cancelled 2017-05-16 13:57Z (archive)
cancels: HYDROLANT 1089/17
authority: WZ 561/17 151105Z MAY 17.
sea: Irish Sea and St. George's Channel
position: 53.307, -4.700
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

IRISH SEA.
WALES.
DNC 20.
CHART 36006.
1. SOUTH STACK LIGHT 53-18.4N 004-42.0W UNRELIABLE.
2. CANCEL HYDROLANT 1089/17.

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Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

South stack light 53-18.4N 004-42.0W range temporarily reduced to 18 milescancels · 2017-04-04
South stack light 53-18.4N 004-42.0W range temporarily reduced to 18 milesreplaced · 2017-04-04
Cancel HYDROLANT 1530/17 and this msg, aid restoredcancelled by · 2017-05-16

Nearby now · within 120 nm

Mew island light 54-41.90N 005-30.80W unreliableNav aids · 88.3 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.