Exercises
Hazardous operations
Western South Atlantic · Brazil-south Coast · HYDROLANT 83/17
- issued
- 2017-01-09 09:32Z
- status
- cancelled 2017-01-14 16:00Z (archive)
- self-cancels
- 2017-01-14 16:00Z
- authority
- NAVAREA V COASTAL 24/17 082212Z JAN 17.
- sea
- South Atlantic Ocean
- position
- -27.156, -46.906
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. DNC 01. 1. HAZARDOUS OPERATIONS 140900Z TO 141500Z JAN IN AREA BOUND BY 26-50S 046-50W, 27-07S 046-32W, 27-29S 046-58W, 27-11S 047-17W. 2. CANCEL THIS MSG 141600Z JAN 17.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-01-14 09:00Z | 2017-01-14 15:00Z | — | 6 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
241 within 180 nm since 2003 · 1 in the last 12 months · 0 in force now
03
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 041200Z to 082000Z dec in area within 12 miles of 24-22.68S 045-50.95W2023-11-30
- Hazardous operations 271200Z to 272000Z sep in area within 12 miles of 24-22.68S 045-50.95W2023-09-27
- Hazardous operations 100900Z to 110400Z aug in area bound by 28-29.50S 046-35.63W, 28-12.87S 047-04.53W,…2023-08-06
- Hazardous operations 160900Z to 292100Z jul in area bound by 27-59.52S 048-13.07W, 28-06.34S 048-01.90W,…2023-07-11
- Hazardous operations 260001Z apr to 130001Z may in area bound by 26-59.82S 046-22.87W, 26-59.82S 047-54.87W,…2023-04-21
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
Worldwide now
36 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.