Exercises
Hazardous operations
Brazil-southeast Coast · HYDROLANT 790/12
- issued
- 2012-04-10 01:11Z
- status
- cancelled 2012-04-20 23:00Z (archive)
- self-cancels
- 2012-04-20 23:00Z
- authority
- NAVAREA V S 469/12 100022Z APR 12.
- sea
- South Atlantic Ocean
- position
- -25.767, -40.067 · r 70.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTHEAST COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 150600Z TO 202200Z APR WITHIN 70 MILES OF 25-46S 040-04W. 2. CANCEL THIS MSG 202300Z APR.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-04-15 06:00Z | 2012-04-20 22:00Z | — | 136 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
142 within 180 nm since 2005 · 2 in the last 12 months · 2 in force now
05
10
15
20
25
26
- Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00W2026-08-13
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…2026-07-29
- Hazardous operations 241400Z to 242100Z mar in area bound by 23-40.00S 041-50.00W, 23-40.00S 042-21.00W,…2024-03-19
- Hazardous operations 132200Z to 140400Z mar in area bound by 23-40.00S 041-50.00W, 23-40.00S 042-21.00W,…2024-03-12
- Hazardous operations 280900Z to 281500Z feb in area within 20 miles of 23-45.00S 041-45.00W2024-02-23
- Hazardous operations 270900Z to 271500Z feb in area within 20 miles of 23-45.00S 041-45.00W2024-02-22
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
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.