Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 898/11
- issued
- 2011-05-29 00:57Z
- status
- cancelled 2011-06-03 17:00Z (archive)
- self-cancels
- 2011-06-03 17:00Z
- authority
- NAVAREA V S 461/11 290039Z MAY 11.
- sea
- South Atlantic Ocean
- position
- -32.667, -51.367
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 031000Z TO 031600Z JUN IN AREA BOUND BY 32-22S 051-20W, 32-35S 051-02W, 32-58S 051-24W, 32-45S 051-42W. 2. CANCEL THIS MSG 031700Z JUN.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-06-03 10:00Z | 2011-06-03 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
117 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
03
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 0900Z to 2130Z daily 31 jul thru 18 aug in area bound by 29-20.53S 049-05.53W,…2023-07-26
- 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
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 · 37.9 nm
- Odas buoy temporarily established in 32-14.29S 051-58.16WNav aids · 39.9 nm
- Radiobeacon at chui light 33-44.6S 053-22.5W off air until 17 jan 27Nav aids · 119.8 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.