Exercises
Hazardous operations
Brazil-north Coast · HYDROLANT 1291/12
- issued
- 2012-06-16 01:06Z
- status
- cancelled 2012-06-23 00:59Z (archive)
- self-cancels
- 2012-06-23 00:59Z
- authority
- NAVAREA V N 784/12 160014Z JUN 12.
- sea
- South Atlantic Ocean
- position
- -3.257, -37.420
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-NORTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 0900Z TO 2359Z DAILY 18 THRU 22 JUN IN AREA BOUND BY 03-03.92S 037-23.83W, 03-21.00S 037-36.00W, 03-27.00S 037-26.50W, 03-09.75S 037-14.50W. 2. CANCEL THIS MSG 230059Z JUN.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-06-18 09:00Z | 2012-06-18 23:59Z | — | 14 h 59 |
| 2012-06-19 09:00Z | 2012-06-19 23:59Z | — | 14 h 59 |
| 2012-06-20 09:00Z | 2012-06-20 23:59Z | — | 14 h 59 |
| 2012-06-21 09:00Z | 2012-06-21 23:59Z | — | 14 h 59 |
| 2012-06-22 09:00Z | 2012-06-22 23:59Z | — | 14 h 59 |
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
36 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now
06
10
15
20
22
- Hazardous operations 231300Z to 231700Z oct in vicinity: a. 04-54.76S 035-49.73W2022-10-23
- Hazardous operations 181000Z to 181900Z oct in area within ten miles of 04-15.00S 036-48.00W2022-10-13
- Hazardous operations 010900Z to 011500Z jul in area within ten miles of 04-14.00S 034-51.00W2022-06-26
- Hazardous operations 011000Z to 011900Z feb in area within 15 miles of 04-20S 036-42W2022-01-28
- Hazardous operations 141600Z to 142000Z dec in area within ten miles of 03-46.9S 037-40.5W2021-12-09
- Hazardous operations 050800Z to 052100Z nov in area within ten miles of 03-46.9S 037-40.5W2021-10-31
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.