Nav aids

Ile de penfret light 47-43.30N 003-57.20W range reduced to 11 miles until 02 apr

Bay of Biscay · HYDROLANT 674/24

What this record establishes

Archived notice · 2024-04-03 00:01Z

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) · AVURNAV BREST 92/24 011655Z APR 24.. Issued 2024-04-01 17:18Z. 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 47.722, -3.953. 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 →

issued
2024-04-01 17:18Z
status
Archived notice
self-cancels
2024-04-03 00:01Z
authority
AVURNAV BREST 92/24 011655Z APR 24.
issued by
AVURNAV BREST
sea
Bay of Biscay
position
47.722, -3.953
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BAY OF BISCAY.
FRANCE.
DNC 08.
1. ILE DE PENFRET LIGHT 47-43.30N 003-57.20W
   RANGE REDUCED TO 11 MILES UNTIL 02 APR.
2. CANCEL THIS MSG 030001Z APR 24.

Reading this warning

DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
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.

All warning terms →

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

746 within 180 nm since 1997 · 3 in the last 12 months · 0 listed in force now

97
00
05
10
15
20
25
26

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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 2026-10-01 03:35Z; 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.