Nav aids

Loran-c station soustons (43-44N 001-23W), rate 6731-X, off air 201200Z to 201600Z aug

Bay of Biscay · HYDROLANT 2034/15

What this record establishes

Archived notice · 2015-08-20 17:00Z

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) · NAVAREA I 239/15 191310Z AUG 15.. Issued 2015-08-19 13:33Z. 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: Bay of Biscay. The parsed report position is 43.733, -1.383. 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 Bay of Biscay →

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2015-08-20 12:00Z	2015-08-20 16:00Z	—	4 h

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

issued: 2015-08-19 13:33Z
status: Archived notice
self-cancels: 2015-08-20 17:00Z
authority: NAVAREA I 239/15 191310Z AUG 15.
NAVAREA: NAVAREA I · named as the source of this relay
sea: Bay of Biscay
position: 43.733, -1.383
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EUROPE-NORTHWEST COAST.
1. LORAN-C STATION SOUSTONS (43-44N 001-23W),
   RATE 6731-X, OFF AIR 201200Z TO 201600Z AUG.
2. CANCEL THIS MSG 201700Z AUG 15.

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.
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

11 within 180 nm since 2001 · 0 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.

Contis-les-bains light 44-05.61N 001-19.01W unlit2023-04-11
Bxa buoy 45-34.10N 001-26.63W removed2022-09-13
RACON at safe water buoy bxa in 45-34.10N 001-26.63W inoperative2022-08-31
Les baleines light in 46-14.70N 001-33.70W unlit2022-07-29
Chaissiron light 46-02.8N 001-24.6W unlit2017-11-24
Chaissiron light 46-02.8N 001-24.6W unreliable2017-11-23

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 02:06Z; 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.