Gunnery exercises 0800Z to 2030Z daily 21 mar thru 04 apr a. in area bound by 05-42.53S 034-45.02W,…
South Atlantic Ocean · HYDROLANT 426/11
What this record establishes
Archived notice · 2011-03-19 05:28Z
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 V E 194/11 160029Z MAR 11.. Issued 2011-03-16 01:33Z. 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
- South Atlantic Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- S/V mirabaud dismasted and without navigation lights in 39-43S 056-55W at 181830Z marlater cancellation notice
Current notices and reporting history in the South Atlantic Ocean →
Activity windows · 15 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-03-21 08:00Z | 2011-03-21 20:30Z | — | 12 h 30 |
| 2011-03-22 08:00Z | 2011-03-22 20:30Z | — | 12 h 30 |
| 2011-03-23 08:00Z | 2011-03-23 20:30Z | — | 12 h 30 |
| 2011-03-24 08:00Z | 2011-03-24 20:30Z | — | 12 h 30 |
| 2011-03-25 08:00Z | 2011-03-25 20:30Z | — | 12 h 30 |
| 2011-03-26 08:00Z | 2011-03-26 20:30Z | — | 12 h 30 |
| 2011-03-27 08:00Z | 2011-03-27 20:30Z | — | 12 h 30 |
| 2011-03-28 08:00Z | 2011-03-28 20:30Z | — | 12 h 30 |
| … 7 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2011-03-16 01:33Z
- status
- Archived notice
- self-cancels
- 2011-04-04 21:30Z
- authority
- NAVAREA V E 194/11 160029Z MAR 11.
- NAVAREA
- NAVAREA V · named as the source of this relay
- issued by
- NAVAREA V E
- sea
- South Atlantic Ocean
- position
- -5.909, -35.249
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-EAST COAST.
GUNNERY.
1. GUNNERY EXERCISES 0800Z TO 2030Z DAILY
21 MAR THRU 04 APR
A. IN AREA BOUND BY
05-42.53S 034-45.02W, 06-09.83S 034-46.82W,
06-03.93S 034-57.22W.
B. WITHIN 32 MILES OF 05-54.53S 035-14.92W.
2. CANCEL THIS MSG 042130Z APR.
Reading this warning
- 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.
- 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.
- 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
381 within 180 nm since 1999 · 1 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.
- Hazardous operations 03 aug thru 11 sep in area bound by 05-42.53S 034-45.02W, 06-09.83S 034-46.82W,…2026-07-29
- Hazardous operations 261300Z to 261900Z feb in area within ten miles of 05-40.00S 034-57.00W2024-02-22
- Hazardous operations 221300Z to 221900Z feb in area within five miles of 05-42.00S 035-01.00W2024-02-19
- Hazardous operations daily 1100Z to 2000Z 06 thru 08 dec in area bound by 05-51.89S 034-54.35W, 05-47.04S…2023-12-01
- Hazardous operations 051100Z to 051500Z dec in area within ten miles of 05-39.00S 034-52.00W2023-12-01
- Hazardous operations 021500Z to 022100Z oct in area within eight miles of 06-18.00S 034-40.00W2023-09-27
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
- Odas buoy established in 05-09.46S 035-09.81WNav aids · 45.4 nm
- Odas buoy bravo rn-l temporarily established until 20 oct in 04-53.00S 035-46.01WNav aids · 68.9 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-02 07:48Z; 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.