Exercises
Hazardous operations 050900Z oct to 052100Z nov in area bound by 23-22.30S 043-10.82W, 23-44.93S 043-09.97W,…
Western South Atlantic · Brazil-south Coast · HYDROLANT 3089/18
- issued
- 2018-10-01 00:28Z
- status
- cancelled 2018-10-25 10:59Z (archive)
- self-cancels
- 2018-11-05 22:00Z
- authority
- NAVAREA V COASTAL S 733/18 010009Z OCT 18.
- sea
- South Atlantic Ocean
- position
- -23.451, -42.577
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. HAZARDOUS OPERATIONS 050900Z OCT TO 052100Z NOV IN AREA BOUND BY 23-22.30S 043-10.82W, 23-44.93S 043-09.97W, 23-45.33S 042-02.02W, 22-57.70S 042-11.52W. 2. CANCEL THIS MSG 052200Z NOV 18.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-10-05 09:00Z | 2018-11-05 21:00Z | — | 756 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
666 within 180 nm since 1999 · 3 in the last 12 months · 2 in force now
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- Hazardous operations 250900Z to 272100Z aug in area within seven miles of 24-26.04S 045-39.91W2026-08-20
- Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00W2026-08-13
- 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
Season · when military exercises happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 3089/18 and this msgcancelled by · 2018-10-25
Nearby now · within 120 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 72.1 nm
- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…Surveys · 90.5 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 98.5 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 119.5 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.