Nav aids

Chicken rock light 54-04.3N 004-50.1W range permantly changed to 21 miles

Irish Sea and St. George's Channel · HYDROLANT 873/07

What this record establishes

Archived notice · 2008-02-09 10:41Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · WZ 658/07 232134Z MAY 07.. Issued 2007-05-23 22:27Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: Irish Sea and St. George's Channel. The parsed report position is 54.072, -4.835. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Irish Sea and St. George's Channel →

issued: 2007-05-23 22:27Z
status: Archived notice
authority: WZ 658/07 232134Z MAY 07.
issued by: WZ
sea: Irish Sea and St. George's Channel
position: 54.072, -4.835
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CHART 36120 (9TH ED).
CHICKEN ROCK LIGHT 54-04.3N 004-50.1W
RANGE PERMANTLY CHANGED TO 21 MILES.

Reading this warning

Chart reference: The number of the nautical chart on which the reported position lies.
Position (degrees and minutes): How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.

All warning terms →

Collected reports in this area · aids-to-navigation notices

1958 within 180 nm since 1997 · 9 in the last 12 months · 0 listed in force now

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Bull point light in 51-12.00N 004-12.10W unreliable2026-09-24
Dubh artach light 56-08.0N 006-38.1W unreliable2026-09-17
Dubh artach light 56-08.00N 006-38.10W unreliable2026-09-16
Roker pier light 54-55.30N 001-21.20W unreliable2026-09-05
Mf dsc and r/t services off air at: a. cullercoats 55-04.40N 001-27.80W2026-08-24
Mf dsc and r/t services off air at: a. cullercoats 55-04.40N 001-27.80W2026-08-16

Month of issue in the collected archive

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

138 aids-to-navigation notices listed in force · see all

Record snapshot 2026-09-30 03:41Z; source collection times vary.

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.