Gunnery exercises 0600Z to 1400Z daily 08 thru 11 dec 21
Mozambique Channel · HYDROPAC 3527/21
What this record establishes
Archived notice · 2021-12-11 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) · AVURNAV LA REUNION 69/21 061021Z DEC 21.. Issued 2021-12-06 11:10Z. 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 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 Mozambique Channel →
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-12-08 06:00Z | 2021-12-08 14:00Z | — | 8 h |
| 2021-12-09 06:00Z | 2021-12-09 14:00Z | — | 8 h |
| 2021-12-10 06:00Z | 2021-12-10 14:00Z | — | 8 h |
| 2021-12-11 06:00Z | 2021-12-11 14:00Z | — | 8 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2021-12-06 11:10Z
- status
- Archived notice
- self-cancels
- 2021-12-11 15:00Z
- authority
- AVURNAV LA REUNION 69/21 061021Z DEC 21.
- issued by
- AVURNAV LA REUNION
- sea
- Mozambique Channel
- position
- -12.942, 45.333
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
MOZAMBIQUE CHANNEL. COMOROS (MAYOTTE). DNC 02. 1. GUNNERY EXERCISES 0600Z TO 1400Z DAILY 08 THRU 11 DEC 21. IN AREA BOUND BY 12-54.0S 045-17.5E, 12-54.0S 045-22.5E, 12-59.0S 045-22.5E, 12-59.0S 045-17.5E. 2. CANCEL THIS MSG 111500Z DEC 21.
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.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- 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.
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.
- Gunnery exercises 170500Z to 170900Z apr in area bound by 12-33.00S 045-11.00E, 12-35.00S 044-53.00E,…2024-04-15
- Gunnery exercises 200500Z to 200900Z mar in area bound by 12-33.00S 045-11.00E, 12-35.00S 044-53.00E,…2024-03-18
- Gunnery exercises 180330Z to 180900Z jan, 1100Z to 1400Z daily 18, 19 and 22 jan in area bound by 12-55.00S…2024-01-17
- Gunnery exercises 161100Z to 161400Z jan in area bound by 12-55.00S 045-18.00E, 12-55.00S 045-20.00E,…2024-01-15
- Gunnery exercises 120500Z to 120900Z dec in area bound by 12-33.00S 045-11.00E, 12-35.00S 044-53.00E,…2023-12-12
- Gunnery exercises 300500Z to 300900Z nov in areas within one mile of: a. 12-33.00S 045-11.00E2023-11-28
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
Worldwide in the collected sources
9 military exercises listed in force · see all
Record snapshot 2026-10-02 18:35Z; 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.