Exercises
Hazardous operations 1200Z to 2000Z daily 23 thru 28 nov in area within eight miles of 05-44S 034-53W
Western South Atlantic · Brazil-northeast Coast · HYDROLANT 3717/17
- issued
- 2017-11-18 00:21Z
- status
- cancelled 2017-11-28 21:00Z (archive)
- self-cancels
- 2017-11-28 21:00Z
- authority
- NAVAREA V COASTAL E 926/17 180010Z NOV 17.
- sea
- South Atlantic Ocean
- position
- -5.733, -34.883 · r 8.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-NORTHEAST COAST. DNC 01. 1. HAZARDOUS OPERATIONS 1200Z TO 2000Z DAILY 23 THRU 28 NOV IN AREA WITHIN EIGHT MILES OF 05-44S 034-53W. 2. CANCEL THIS MSG 282100Z NOV 17.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-11-23 12:00Z | 2017-11-23 20:00Z | — | 8 h |
| 2017-11-24 12:00Z | 2017-11-24 20:00Z | — | 8 h |
| 2017-11-25 12:00Z | 2017-11-25 20:00Z | — | 8 h |
| 2017-11-26 12:00Z | 2017-11-26 20:00Z | — | 8 h |
| 2017-11-27 12:00Z | 2017-11-27 20:00Z | — | 8 h |
| 2017-11-28 12:00Z | 2017-11-28 20:00Z | — | 8 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
380 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now
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00
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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.