Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 2830/12
- issued
- 2012-12-01 02:37Z
- status
- cancelled 2012-12-06 17:00Z (archive)
- self-cancels
- 2012-12-06 17:00Z
- authority
- NAVAREA V S 1625/12 010034Z DEC 12.
- sea
- South Atlantic Ocean
- position
- -32.938, -52.202
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 061000Z TO 061600Z DEC IN AREA BOUND BY 32-45.0S 052-10.0W, 33-01.4S 052-23.7W, 33-07.5S 052-14.2W, 32-51.1S 052-00.6W. 2. CANCEL THIS MSG 061700Z DEC 12.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-12-06 10:00Z | 2012-12-06 16:00Z | — | 6 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · military exercises
91 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
05
10
15
20
23
- Hazardous operations 290300Z to 292100Z sep in area bound by 32-22.40S 052-12.40W, 32-30.40S 052-14.10W,…2023-09-24
- Hazardous operations 220900Z to 250400Z aug in area bound by 31-28.42S 049-14.03W, 31-13.60S 049-44.45W,…2023-08-17
- Hazardous operations 110900Z to 120400Z in area bound by 31-28.42S 049-14.02W, 31-13.60S 049-44.45W,…2023-08-06
- Hazardous operations 290300Z to 291600Z jun in area bound by 32-24.20S 052-04.30W, 32-22.40S 052-14.10W,…2023-06-24
- Hazardous operations 290300Z to 292300Z mar in area bound by 32-24.20S 052-04.30W, 32-22.40S 052-12.40W,…2023-03-25
- Hazardous operations 050300Z to 052300Z oct in area bound by 32-24.20S 052-04.30W, 32-22.40S 052-12.40W,…2022-09-30
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
- Odas buoy temporarily established in 32-32.46S 052-06.03W until 31 dec 27Nav aids · 24.4 nm
- Odas buoy temporarily established in 32-14.29S 051-58.16WNav aids · 43.6 nm
- Radiobeacon at chui light 33-44.6S 053-22.5W off air until 17 jan 27Nav aids · 76.2 nm
Worldwide now
35 military exercises in force · see all
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.