Exercises

Gunnery exercises 180700Z to 181000Z and 181200Z to 181600Z oct in areas: a. bound by 46-40.00N 003-48.45W,…

Bay of Biscay · HYDROLANT 2643/22

What this record establishes

Archived notice · 2022-10-18 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) · AVURNAV BREST 552/22 171747Z OCT 22.. Issued 2022-10-17 23:45Z. 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 map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the Bay of Biscay →

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2022-10-18 07:00Z2022-10-18 10:00Z—3 h
2022-10-18 12:00Z2022-10-18 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
2022-10-17 23:45Z
status
Archived notice
self-cancels
2022-10-18 17:00Z
authority
AVURNAV BREST 552/22 171747Z OCT 22.
issued by
AVURNAV BREST
sea
Bay of Biscay
position
47.236, -3.858
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. GUNNERY EXERCISES 180700Z TO 181000Z
   AND 181200Z TO 181600Z OCT IN AREAS:
   A. BOUND BY
      46-40.00N 003-48.45W, 46-40.00N 004-43.70W,
      47-15.46N 004-22.61W, 47-25.00N 004-09.91W,
      47-25.00N 003-58.55W.
   B. WITHIN 30 MILES OF 47-18.93N 003-46.53W.
2. CANCEL THIS MSG 181700Z OCT 22.

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.
Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
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.
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.
Within a radius of
A circular area — every position within a stated distance of a point.
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 · military exercises

504 within 180 nm since 1999 · 1 in the last 12 months · 1 listed in force now

99
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

9 military exercises listed in force · see all

Record snapshot 2026-10-02 21:21Z; source collection times vary.

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

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.