Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 3123/13
- issued
- 2013-12-05 00:29Z
- status
- cancelled 2013-12-10 16:00Z (archive)
- self-cancels
- 2013-12-10 16:00Z
- authority
- NAVAREA V S 1519/13 042304Z DEC 13.
- sea
- South Atlantic Ocean
- position
- -30.392, -49.083
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 100900Z TO 101500Z DEC IN AREA BOUND BY 30-02S 049-05W, 30-24S 048-40W, 30-45S 049-05W, 30-23S 049-30W. 2. CANCEL THIS MSG 101600Z DEC 13.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2013-12-10 09:00Z | 2013-12-10 15:00Z | — | 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
127 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
03
05
10
15
20
23
- 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 100900Z to 110400Z aug in area bound by 28-29.50S 046-35.63W, 28-12.87S 047-04.53W,…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 160900Z to 292100Z jul in area bound by 27-59.52S 048-13.07W, 28-06.34S 048-01.90W,…2023-07-11
- Hazardous operations 182100Z to 190300Z jan in area within ten miles of 29-44.3S 047-55.5W2022-01-13
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
Nothing else in force 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.