Exercises
Hazardous operations
Brazil-east Coast · HYDROLANT 340/11
- issued
- 2011-02-28 00:56Z
- status
- cancelled 2011-03-09 21:00Z (archive)
- self-cancels
- 2011-03-09 21:00Z
- authority
- NAVAREA V E 163/11 280032Z FEB 11.
- sea
- South Atlantic Ocean
- position
- -5.908, -35.149
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-EAST COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 0300Z TO 2000Z DAILY 04 THRU 09 MAR IN AREA BOUND BY 05-52.27S 035-10.75W, 05-52.27S 035-07.75W, 05-57.25S 035-07.75W, 05-57.25S 035-09.28W. 2. CANCEL THIS MSG 092100Z MAR.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-03-04 03:00Z | 2011-03-04 20:00Z | — | 17 h |
| 2011-03-05 03:00Z | 2011-03-05 20:00Z | — | 17 h |
| 2011-03-06 03:00Z | 2011-03-06 20:00Z | — | 17 h |
| 2011-03-07 03:00Z | 2011-03-07 20:00Z | — | 17 h |
| 2011-03-08 03:00Z | 2011-03-08 20:00Z | — | 17 h |
| 2011-03-09 03:00Z | 2011-03-09 20:00Z | — | 17 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
381 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now
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00
05
10
15
20
25
26
- Hazardous operations 03 aug thru 11 sep in area bound by 05-42.53S 034-45.02W, 06-09.83S 034-46.82W,…2026-07-29
- Hazardous operations 261300Z to 261900Z feb in area within ten miles of 05-40.00S 034-57.00W2024-02-22
- Hazardous operations 221300Z to 221900Z feb in area within five miles of 05-42.00S 035-01.00W2024-02-19
- Hazardous operations daily 1100Z to 2000Z 06 thru 08 dec in area bound by 05-51.89S 034-54.35W, 05-47.04S…2023-12-01
- Hazardous operations 051100Z to 051500Z dec in area within ten miles of 05-39.00S 034-52.00W2023-12-01
- Hazardous operations 021500Z to 022100Z oct in area within eight miles of 06-18.00S 034-40.00W2023-09-27
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.