Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 1947/12
- issued
- 2012-08-24 01:32Z
- status
- cancelled 2012-08-25 21:00Z (archive)
- self-cancels
- 2012-08-25 21:00Z
- cancels
- HYDROLANT 1815/12
- authority
- NAVAREA V S 1147/12 240024Z AUG 12.
- sea
- South Atlantic Ocean
- position
- -24.221, -45.299
- 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 13 THRU 25 AUG IN AREA BOUND BY 24-19.99S 045-35.16W, 24-00.84S 045-08.64W, 24-10.40S 045-02.67W, 24-24.55S 045-29.19W. 2. CANCEL HYDROLANT 1815/12. 3. CANCEL THIS MSG 252100Z AUG 12.
Activity windows · 13 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-08-13 11:00Z | 2012-08-13 20:00Z | — | 9 h |
| 2012-08-14 11:00Z | 2012-08-14 20:00Z | — | 9 h |
| 2012-08-15 11:00Z | 2012-08-15 20:00Z | — | 9 h |
| 2012-08-16 11:00Z | 2012-08-16 20:00Z | — | 9 h |
| 2012-08-17 11:00Z | 2012-08-17 20:00Z | — | 9 h |
| 2012-08-18 11:00Z | 2012-08-18 20:00Z | — | 9 h |
| 2012-08-19 11:00Z | 2012-08-19 20:00Z | — | 9 h |
| 2012-08-20 11:00Z | 2012-08-20 20:00Z | — | 9 h |
| … 5 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
657 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
Timeline
- Hazardous operationscancels · 2012-08-08
- Hazardous operationsreplaced · 2012-08-08
Nearby now · within 120 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 20.2 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 76.2 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 79.4 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.