Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 1960/11
- issued
- 2011-11-23 03:59Z
- status
- cancelled 2011-11-30 20:00Z (archive)
- self-cancels
- 2011-11-30 20:00Z
- authority
- NAVAREA V S 1080/11 230031Z NOV 11.
- sea
- South Atlantic Ocean
- position
- -23.892, -46.055
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 1000Z TO 1900Z DAILY 28 THRU 30 NOV IN AREA BOUND BY 23-48.72S 046-04.40W, 23-54.53S 045-57.20W, 23-58.47S 046-05.58W, 23-50.43S 046-07.55W. 2. CANCEL THIS MSG 302000Z NOV.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-11-28 10:00Z | 2011-11-28 19:00Z | — | 9 h |
| 2011-11-29 10:00Z | 2011-11-29 19:00Z | — | 9 h |
| 2011-11-30 10:00Z | 2011-11-30 19:00Z | — | 9 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
568 within 180 nm since 1999 · 1 in the last 12 months · 0 in force now
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00
05
10
15
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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 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
- Hazardous operations 220300Z to 221800Z dec in area within ten miles of 23-34.30S 043-09.20W2023-12-17
- Hazardous operations 1100Z to 1700Z daily 18 and 19 dec in area bound by 24-15.00S 044-00.00W, 23-50.00S…2023-12-13
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
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 25.9 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 40.5 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 102.2 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.