Exercises
Hazardous operations 231500Z to 232100Z apr in area bound by 21-22.0S 040-35.3W, 21-22.0S 040-23.3W,…
Western South Atlantic · Brazil-east Coast · HYDROLANT 1395/20
- issued
- 2020-04-22 12:35Z
- status
- cancelled 2020-04-23 22:00Z (archive)
- self-cancels
- 2020-04-23 22:00Z
- authority
- NAVAREA V COASTAL E 311/20 221225Z APR 20.
- sea
- South Atlantic Ocean
- position
- -21.484, -40.518
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-EAST COAST. DNC 01. 1. HAZARDOUS OPERATIONS 231500Z TO 232100Z APR IN AREA BOUND BY 21-22.0S 040-35.3W, 21-22.0S 040-23.3W, 21-36.0S 040-26.8W, 21-36.0S 040-39.0W. 2. CANCEL THIS MSG 232200Z APR 20.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-04-23 15:00Z | 2020-04-23 21:00Z | — | 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
300 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now
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- 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
- Hazardous operations 280900Z to 281500Z feb in area within 20 miles of 23-45.00S 041-45.00W2024-02-23
- Hazardous operations 270900Z to 271500Z feb in area within 20 miles of 23-45.00S 041-45.00W2024-02-22
Season · when military exercises happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 12.8 nm
- Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…Surveys · 26.9 nm
- Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 27 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 29 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 33.1 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 44.9 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 53.8 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 54.8 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 58 nm
- Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…Surveys · 68.2 nm
- Underwater operations 1100Z to 2100Z daily 15 thru 29 aug by M/V comando b and M/V rosco banyan in 20-23.37S…Surveys · 68.4 nm
- Underwater operations 1100Z to 2100Z daily 12 thru 21 aug by M/V comando b and M/V faneromeni in 20-23.67S…Surveys · 68.5 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.