Exercises
Hazardous operations
Brazil-north Coast · HYDROLANT 2931/13
- issued
- 2013-11-20 00:41Z
- status
- cancelled 2013-11-25 21:00Z (archive)
- self-cancels
- 2013-11-25 21:00Z
- authority
- NAVAREA V N 1437/13 200036Z NOV 13.
- sea
- North Atlantic Ocean
- position
- 2.580, -49.787
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-NORTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 251600Z TO 252000Z NOV IN AREA BOUND BY 02-44.6N 049-46.9W, 02-35.0N 049-37.7W, 02-24.8N 049-46.9W, 02-35.0N 049-57.0W. 2. CANCEL THIS MSG 252100Z NOV 13.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2013-11-25 16:00Z | 2013-11-25 20:00Z | — | 4 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
60 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now
02
05
10
15
20
23
- Hazardous operations 050900Z to 062100Z dec in area bound by 00-28.00N 048-02.00W, 00-28.00N 048-12.00W,…2023-12-01
- Hazardous operations 020900Z to 021600Z jul in area bound by 00-23.00N 048-45.00W, 00-23.00N 048-56.00W,…2023-06-28
- Hazardous operations 201100Z to 202000Z jun in areas bound by: a. 02-09.00N 049-10.00W, 02-09.00N…2023-06-15
- Hazardous operations 191100Z to 191200Z jun in areas bound by: a. 02-04.00N 049-15.00W, 02-09.00N…2023-06-14
- Hazardous operations 300800Z to 301400Z dec in areas bound by: a. 00-15.00N 048-45.00W, 00-23.00N…2022-12-25
- Hazardous operations 040900Z to 041500Z dec in areas bound by: a. 00-23.00N 048-47.00W, 00-23.00N…2022-12-01
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
Nothing else in force 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.