Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 1804/13
- issued
- 2013-07-25 01:23Z
- status
- cancelled 2013-07-30 21:00Z (archive)
- self-cancels
- 2013-07-30 21:00Z
- authority
- NAVAREA V S 934/13 250059Z JUL 13.
- sea
- South Atlantic Ocean
- position
- -28.547, -47.383
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 301500Z TO 302000Z JUL IN AREA BOUND BY 28-12S 047-25W, 28-30S 046-59W, 28-54S 047-21W, 28-35S 047-47W. 2. CANCEL THIS MSG 302100Z JUL 13.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2013-07-30 15:00Z | 2013-07-30 20:00Z | — | 5 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
135 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
03
05
10
15
20
23
- 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 0900Z to 2130Z daily 31 jul thru 18 aug in area bound by 29-20.53S 049-05.53W,…2023-07-26
- 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
- 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
- Hazardous operations 231900Z to 232100Z jan in area bound by 26-26.50S 047-55.50W, 26-42.00S 047-35.50W,…2023-01-21
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
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.