Nav aids

Nga chart 36037 (0 ed)

Bristol Channel · HYDROLANT 1953/09

What this record establishes

Archived notice · 2009-10-10 09:17Z

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 1186/09 081635Z OCT 09.. Issued 2009-10-08 17:27Z. 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: Bristol Channel. The parsed report position is 51.523, -4.393. 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 Bristol Channel →

issued: 2009-10-08 17:27Z
status: Archived notice
authority: WZ 1186/09 081635Z OCT 09.
issued by: WZ
sea: Bristol Channel
position: 51.523, -4.393
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 36037 (0 ED).
W. HELWICK BUOY 51-31.4N 004-23.6W WHISTLE DISCONTINUED.

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

1699 within 180 nm since 1997 · 3 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
Newhaven breakwater, head light 50-46.50N 000-03.50E unlit2026-09-06
Fowey light 50-19.60N 004-38.90W unreliable2026-07-27
Balbriggan island light 53-36.80N 006-10.80W unreliable2024-09-25
Mf r/t and dsc services at scillies site 49-55.70N 006-18.20W off air2024-09-05
Ile vierge light 48-38.30N 004-34.10W unlit2024-05-03

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

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

Record snapshot 2026-10-03 15:16Z; 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.