Exercises
Hazardous operations 171100Z to 171800Z may in area within four miles of 23-05.78S 044-00.15W
Western South Atlantic · Brazil-south Coast · HYDROLANT 1538/18
- issued
- 2018-05-16 22:56Z
- status
- cancelled 2018-05-17 19:00Z (archive)
- self-cancels
- 2018-05-17 19:00Z
- authority
- NAVAREA V COASTAL S 375/18 162244Z MAY 18.
- sea
- South Atlantic Ocean
- position
- -23.096, -44.002 · r 4.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. HAZARDOUS OPERATIONS 171100Z TO 171800Z MAY IN AREA WITHIN FOUR MILES OF 23-05.78S 044-00.15W. 2. CANCEL THIS MSG 171900Z MAY 18.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-05-17 11:00Z | 2018-05-17 18:00Z | — | 7 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
618 within 180 nm since 1999 · 2 in the last 12 months · 1 in force now
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26
- Hazardous operations 250900Z to 272100Z aug in area within seven miles of 24-26.04S 045-39.91W2026-08-20
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…2026-07-29
- Hazardous operations 220000Z to 252359Z apr in area bound by 23-23.00S 042-15.00W, 23-23.00S 042-45.00W,…2024-04-19
- Hazardous operations 241400Z to 242100Z mar in area bound by 23-40.00S 041-50.00W, 23-40.00S 042-21.00W,…2024-03-19
- Hazardous operations 181300Z to 181900Z mar in area within three miles of 23-02.00S 043-03.00W2024-03-13
- Hazardous operations 132200Z to 140400Z mar in area bound by 23-40.00S 041-50.00W, 23-40.00S 042-21.00W,…2024-03-12
Season · when military exercises happen here
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M
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A
S
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month of issue, all years in the archive
Nearby now · within 120 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 20.6 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 108.9 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.