Exercises
Hazardous operations
Western South Atlantic · Brazil-north Coast · HYDROLANT 3660/18
- issued
- 2018-11-24 19:54Z
- status
- cancelled 2018-12-13 01:00Z (archive)
- self-cancels
- 2018-12-13 01:00Z
- authority
- NAVAREA V COASTAL N 875/18 241944Z NOV 18.
- sea
- South Atlantic Ocean
- position
- -1.226, -43.592
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-NORTH COAST. HAZARDOUS OPERATIONS. DNC 01. 1. HAZARDOUS OPERATIONS 281500Z NOV TO 120300Z DEC IN AREA BOUND BY: 00-42.64S 043-51.65W, 00-42.63S 043-18.62W, 01-19.84S 042-57.24W, 01-39.17S 043-08.31W, 01-39.19S 044-04.16W, 01-21.83S 044-14.13W. 2. CANCEL THIS MSG 130100Z DEC 18.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-11-28 15:00Z | 2018-12-12 03:00Z | — | 324 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
86 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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22
- Hazardous operations 041500Z to 041800Z oct in area bound by 00-45.00S 045-18.50W, 00-43.40S 045-27.00W,…2022-09-30
- Hazardous operations in progress until 04 jun in area bound by 02-18.94S 044-22.02W, 02-13.80S 044-22.07W,…2022-05-25
- Hazardous operations in progress until 11 dec in area bound by 02-18.93S 044-22.02W, 02-13.79S 044-22.07W,…2021-12-06
- Hazardous operations 221100Z to 272100Z jun in area bound by 02-18.93S 044-22.02W, 02-13.79S 044-22.07W,…2020-06-17
- Hazardous operations 191400Z to 191700Z may in area within six miles of 00-54.3S 044-44.0W2020-05-15
- Hazardous operations 171400Z to 171700Z may in area within six miles of 00-54.3S 044-44.0W2020-05-14
Season · when military exercises happen here
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A
M
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J
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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.