Nav aids

Dgps station at nash point light 51-24N 003-33W off air 0900Z to 1200Z daily 20 and 21 may and 220800Z to…

Bristol Channel · HYDROLANT 981/03

What this record establishes

Archived notice · 2003-05-22 15:00Z

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 629/03 200044Z MAY 03. Issued 2003-05-20 01:28Z. 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 51.400, -3.550. 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 →

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2003-05-22 08:00Z	2003-05-22 14:00Z	—	6 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued: 2003-05-20 01:28Z
status: Archived notice
self-cancels: 2003-05-22 15:00Z
authority: WZ 629/03 200044Z MAY 03
issued by: WZ
sea: Bristol Channel
position: 51.400, -3.550
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CHART 36165 (6TH ED).
1. DGPS STATION AT NASH POINT LIGHT 51-24N 003-33W
   OFF AIR 0900Z TO 1200Z DAILY 20 AND 21 MAY
   AND 220800Z TO 221400Z MAY.
2. CANCEL THIS MSG 221500Z MAY.

Reading this warning

Chart reference: The number of the nautical chart on which the reported position lies.
GNSS / GPS: Satellite positioning — GPS and other systems — and the testing, jamming and interference that make it unreliable in an area.
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.
Date-time group (DTG): A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
CANCEL THIS MSG: The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

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

1743 within 180 nm since 1997 · 4 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
Fog signal at dungeness light 50-54.80N 000-58.60E inoperative2026-08-27
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

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 17:21Z; 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.