Hazardous operations are taking place off Brazil in the South Atlantic within ten miles of 14-22.00S 038-34.00W from 28 to 29 September.
South Atlantic Ocean · HYDROLANT 1882/26
What this record establishes
Cancelled notice · 2026-09-23 14:45Z
This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-23 09:27Z. First collected 2026-09-23 15:02Z; last seen in collection 2026-09-24 12:17Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- South Atlantic Ocean. The parsed report position is -14.367, -38.567 with a 10.0 nm radius. 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 South Atlantic Ocean →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-09-28 11:00Z | 2026-09-29 18:00Z | — | 31 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2026-09-23 09:27Z
- status
- Cancelled notice
- self-cancels
- 2026-09-29 19:00Z
- sea
- South Atlantic Ocean
- position
- -14.367, -38.567 · r 10.0 nm
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-23 15:02Z
Original warning text
SOUTH ATLANTIC. BRAZIL. 1. HAZARDOUS OPERATIONS 281100Z TO 291800Z SEP IN AREA WITHIN TEN MILES OF 14-22.00S 038-34.00W. 2. CANCEL THIS MSG 291900Z SEP 26.
Reading this warning
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- 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.
Collected reports in this area · military exercises
159 within 180 nm since 2004 · 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 181300Z to 191800Z dec in area bound by 13-20.58S 038-16.30W, 13-20.58S 038-26.33W,…2023-12-13
- Hazardous operations 1300Z to 1800Z daily 07 thru 08 dec in area bound by 13-20.53S 038-26.33W, 13-20.58S…2023-12-02
- Hazardous operations 061300Z to 061800Z dec in area within ten miles of 13-20.00S 038-15.00W2023-12-01
- Hazardous operations 270900Z to 301900Z nov in area within ten miles of 13-20.00S 038-15.00W2023-11-22
- Hazardous operations 261000Z to 261600Z sep in area within 20 miles of 15-50.00S 036-45.00W2023-09-21
- Hazardous operations 251600Z to 302200Z sep in area bound by 13-36.00S 038-22.00W, 13-30.50S 038-13.00W,…2023-09-20
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
17 military exercises listed in force · see all
Record snapshot 2026-09-24 12:21Z; 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.