Nav aids

Mew Island Light at 54-41.90N 005-30.80W in North Channel, Ireland, is unreliable.

Inner Seas off the West Coast of Scotland · HYDROLANT 1552/26

What this record establishes

Cancelled notice · 2026-08-21 15:40Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates: NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-08-11 23:09Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-23 11:02Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: Inner Seas off the West Coast of Scotland. The parsed report position is 54.698, -5.513. 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 Inner Seas off the West Coast of Scotland →

issued: 2026-08-11 23:09Z
status: Cancelled notice
sea: Inner Seas off the West Coast of Scotland
position: 54.698, -5.513
nearest port: Belfast · 14 nm
source: NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z

Original warning text

NORTH CHANNEL.
IRELAND.
MEW ISLAND LIGHT 54-41.90N 005-30.80W UNRELIABLE.

Reading this warning

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.
Inoperative / unreliable / off air: An aid or radio service is not working as charted or published.

All warning terms →

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

1814 within 180 nm since 1998 · 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.

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
RACON at hyskeir light 56-58.20N 006-40.80W inoperative2026-08-28
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

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

Record snapshot 2026-09-25 13:57Z; 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.