Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 1974/12
- issued
- 2012-08-28 06:06Z
- status
- cancelled 2012-09-14 21:00Z (archive)
- self-cancels
- 2012-09-14 21:00Z
- authority
- NAVAREA V S 1168/12 280031Z AUG 12.
- sea
- South Atlantic Ocean
- position
- -24.273, -45.042
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 1300Z TO 2000Z DAILY 29 AUG THRU 14 SEP IN AREA BOUND BY 24-08.46S 045-23.56W, 24-44.58S 045-12.16W, 24-17.35S 044-40.00W, 23-52.03S 044-52.03W. 2. CANCEL THIS MSG 142100Z SEP 12.
Activity windows · 17 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-08-29 13:00Z | 2012-08-29 20:00Z | — | 7 h |
| 2012-08-30 13:00Z | 2012-08-30 20:00Z | — | 7 h |
| 2012-08-31 13:00Z | 2012-08-31 20:00Z | — | 7 h |
| 2012-09-01 13:00Z | 2012-09-01 20:00Z | — | 7 h |
| 2012-09-02 13:00Z | 2012-09-02 20:00Z | — | 7 h |
| 2012-09-03 13:00Z | 2012-09-03 20:00Z | — | 7 h |
| 2012-09-04 13:00Z | 2012-09-04 20:00Z | — | 7 h |
| 2012-09-05 13:00Z | 2012-09-05 20:00Z | — | 7 h |
| … 9 more | |||
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
678 within 180 nm since 1999 · 2 in the last 12 months · 1 in force now
99
00
05
10
15
20
25
26
- Hazardous operations 250900Z to 272100Z aug in area within seven miles of 24-26.04S 045-39.91W2026-08-20
- 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
- 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
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 established in 24-06.36S 045-38.78WNav aids · 34.6 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 73.6 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 90.3 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.