Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 2638/12
- issued
- 2012-11-08 02:03Z
- status
- cancelled 2012-11-13 02:00Z (archive)
- self-cancels
- 2012-11-13 02:00Z
- authority
- NAVAREA V S 1493/12 080024Z NOV 12.
- sea
- South Atlantic Ocean
- position
- -23.718, -42.765
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 121800Z TO 130100Z NOV IN AREA BOUND BY 23-34.0S 042-59.0W, 23-31.0S 042-37.0W, 23-52.0S 042-33.0W, 23-55.5S 042-54.5W. 2. CANCEL THIS MSG 130200Z NOV 12.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-11-12 18:00Z | 2012-11-13 01:00Z | — | 7 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
668 within 180 nm since 1999 · 3 in the last 12 months · 2 in force now
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25
26
- Hazardous operations 250900Z to 272100Z aug in area within seven miles of 24-26.04S 045-39.91W2026-08-20
- 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 220000Z to 252359Z apr in area bound by 23-23.00S 042-15.00W, 23-23.00S 042-45.00W,…2024-04-19
- 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 181300Z to 181900Z mar in area within three miles of 23-02.00S 043-03.00W2024-03-13
Season · when military exercises happen here
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F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 57.7 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 92 nm
- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…Surveys · 107 nm
- Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 118.5 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.