Exercises
Hazardous operations 142100Z to 150300Z feb in area bound by 23-33S 042-58W, 23-20S 042-43W, 23-31S 042-25W,…
Western South Atlantic · Brazil-south Coast · HYDROLANT 471/17
- issued
- 2017-02-10 21:59Z
- status
- cancelled 2017-02-15 04:00Z (archive)
- self-cancels
- 2017-02-15 04:00Z
- authority
- NAVAREA V COASTAL 139/17 102148Z FEB 17.
- sea
- South Atlantic Ocean
- position
- -23.539, -42.694
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. HAZARDOUS OPERATIONS 142100Z TO 150300Z FEB IN AREA BOUND BY 23-33S 042-58W, 23-20S 042-43W, 23-31S 042-25W, 23-45S 042-41W. 2. CANCEL THIS MSG 150400Z FEB 17.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-02-14 21:00Z | 2017-02-15 03:00Z | — | 6 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
661 within 180 nm since 1999 · 3 in the last 12 months · 2 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 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
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 · 67.5 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 93 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 · 98.6 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.