Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 2307/12
- issued
- 2012-10-03 01:14Z
- status
- cancelled 2012-10-31 21:00Z (archive)
- self-cancels
- 2012-10-31 21:00Z
- authority
- NAVAREA V S 1335/12 030031Z OCT 12.
- sea
- South Atlantic Ocean
- position
- -24.382, -45.548
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 1100Z TO 2000Z DAILY 08 THRU 31 OCT IN AREA BOUND BY 24-12.85S 046-08.31W, 24-15.03S 045-36.03W, 23-52.03S 044-52.03W, 24-17.35S 044-40.00W, 24-54.71S 046-23.71W. 2. CANCEL THIS MSG 312100Z OCT 12.
Activity windows · 24 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-10-08 11:00Z | 2012-10-08 20:00Z | — | 9 h |
| 2012-10-09 11:00Z | 2012-10-09 20:00Z | — | 9 h |
| 2012-10-10 11:00Z | 2012-10-10 20:00Z | — | 9 h |
| 2012-10-11 11:00Z | 2012-10-11 20:00Z | — | 9 h |
| 2012-10-12 11:00Z | 2012-10-12 20:00Z | — | 9 h |
| 2012-10-13 11:00Z | 2012-10-13 20:00Z | — | 9 h |
| 2012-10-14 11:00Z | 2012-10-14 20:00Z | — | 9 h |
| 2012-10-15 11:00Z | 2012-10-15 20:00Z | — | 9 h |
| … 16 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
618 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 181300Z to 181900Z mar in area within three miles of 23-02.00S 043-03.00W2024-03-13
- Hazardous operations 1100Z to 1700Z daily 21 and 22 feb in area bound by 24-15.00S 044-00.00W, 23-50.00S…2024-02-16
- Hazardous operations 0800Z to 1800Z daily 26 thru 30 dec in area within ten miles of 23-34.28S 043-08.23W2023-12-21
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 · 17.4 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 63.1 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 95.8 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.