Exercises
Hazardous operations
Brazil-east Coast · HYDROLANT 641/11
- issued
- 2011-04-17 13:09Z
- status
- cancelled 2011-04-23 01:01Z (archive)
- self-cancels
- 2011-04-23 01:01Z
- authority
- NAVAREA V E 331/11 171222Z APR 11.
- sea
- South Atlantic Ocean
- position
- -22.117, -38.108
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-EAST COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 221700Z TO 230001Z APR IN AREA BOUND BY 21-36S 038-15W, 21-53S 037-36W, 22-38S 037-58W, 22-21S 038-37W. 2. CANCEL THIS MSG 230101Z APR.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-04-22 17:00Z | 2011-04-23 00:01Z | — | 7 h 01 |
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
101 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now
05
10
15
20
23
- Hazardous operations 24 nov thru 08 dec in area bound by 20-50.78S 040-43.00W, 20-58.90S 040-29.12W,…2023-11-19
- Hazardous operations 281800Z sep to 010001Z oct in area bound by 21-40.75S 038-46.70W, 21-40.75S 038-03.90W,…2023-09-25
- Hazardous operations 280001Z to 280900Z sep in area bound by 20-35.00S 038-24.00W, 20-26.00S 038-36.00W,…2023-09-23
- Hazardous operations 17 thru 25 nov in area bound by 20-56.67S 040-32.52W, 20-49.42S 040-40.92W, 20-52.67S…2022-11-12
- Hazardous operations 17 thru 25 nov in area bound by 20-33.78S 040-59.10W, 20-49.15S 041-07.62W, 21-01.50S…2022-11-12
- Hazardous operations 070900Z to 092100Z nov in area within ten miles of 20-32.99S 039-25.00W2022-11-02
Season · when military exercises happen here
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F
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A
M
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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.