Exercises
Hazardous operations
Brazil-east Coast · HYDROLANT 2930/12
- issued
- 2012-12-11 21:47Z
- status
- cancelled 2012-12-18 22:00Z (archive)
- self-cancels
- 2012-12-18 22:00Z
- authority
- NAVAREA V S 1680/12 11 DEC 12.
- sea
- South Atlantic Ocean
- position
- -13.167, -38.200 · r 3.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-EAST COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 171200Z TO 172100Z AND 181200Z TO 182100Z DEC WITHIN THREE MILES OF 13-10S 038-12W. 2. CANCEL THIS MSG 182200Z DEC 12.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-12-17 12:00Z | 2012-12-17 21:00Z | — | 9 h |
| 2012-12-18 12:00Z | 2012-12-18 21:00Z | — | 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
154 within 180 nm since 2004 · 0 in the last 12 months · 0 in force now
04
05
10
15
20
23
- Hazardous operations 181300Z to 191800Z dec in area bound by 13-20.58S 038-16.30W, 13-20.58S 038-26.33W,…2023-12-13
- Hazardous operations 1300Z to 1800Z daily 07 thru 08 dec in area bound by 13-20.53S 038-26.33W, 13-20.58S…2023-12-02
- Hazardous operations 061300Z to 061800Z dec in area within ten miles of 13-20.00S 038-15.00W2023-12-01
- Hazardous operations 270900Z to 301900Z nov in area within ten miles of 13-20.00S 038-15.00W2023-11-22
- Hazardous operations 251600Z to 302200Z sep in area bound by 13-36.00S 038-22.00W, 13-30.50S 038-13.00W,…2023-09-20
- Hazardous operations 211400Z to 220300Z sep in area bound by 14-58.00S 037-52.50W, 15-02.00S 038-07.00W,…2023-09-16
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.