Exercises

Gunnery exercises 140500Z to 140900Z nov in areas within one mile of: a. 12-33.00S 045-11.00E

Mozambique Channel · HYDROPAC 3548/23

What this record establishes

Archived notice · 2023-11-14 10:00Z

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 LA REUNION 45/23 101531Z NOV 23.. Issued 2023-11-10 15:46Z. 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: Mozambique Channel. The parsed report position is -12.787, 45.046. 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 Mozambique Channel →

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2023-11-14 05:00Z	2023-11-14 09:00Z	—	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: 2023-11-10 15:46Z
status: Archived notice
self-cancels: 2023-11-14 10:00Z
authority: AVURNAV LA REUNION 45/23 101531Z NOV 23.
issued by: AVURNAV LA REUNION
sea: Mozambique Channel
position: -12.787, 45.046
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

MOZAMBIQUE CHANNEL.
MAYOTTE.
DNC 02.
1. GUNNERY EXERCISES 140500Z TO 140900Z NOV
   IN AREAS WITHIN ONE MILE OF:
   A. 12-33.00S 045-11.00E.
   B. 13-04.00S 045-15.00E.
   C. 12-57.00S 044-52.00E.
   D. 12-35.00S 044-53.00E.
2. CANCEL THIS MSG 141000Z NOV 23.

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.
Within a radius of: A circular area — every position within a stated distance of a point.
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.

All warning terms →

Collected reports in this area · military exercises

24 within 180 nm since 2006 · 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.

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

NAVAREA VII 267 of 2026 : (23 sep 26) 1. indian ocean - sw sector - offshore mayotte 2. chart san 1 3. rv…Surveys · 42.3 nm

Worldwide in the collected sources

28 military exercises listed in force · see all

Record snapshot 2026-10-02 10:51Z; 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.