Exercises
Hazardous operations 1200Z to 1500Z daily 02 thru 04 aug in area bound by 24-09S 041-10W, 24-42S 039-33W,…
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 2427/18
- issued
- 2018-07-29 00:35Z
- status
- cancelled 2018-08-04 16:00Z (archive)
- self-cancels
- 2018-08-04 16:00Z
- authority
- NAVAREA V COASTAL S 579/18 290001Z JUL 18.
- sea
- South Atlantic Ocean
- position
- -25.168, -40.749
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTHEAST COAST. DNC 01. 1. HAZARDOUS OPERATIONS 1200Z TO 1500Z DAILY 02 THRU 04 AUG IN AREA BOUND BY 24-09S 041-10W, 24-42S 039-33W, 26-14S 040-12W, 25-37S 041-57W, 24-18S 041-24W. 2. CANCEL THIS MSG 041600Z AUG 18.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-08-02 12:00Z | 2018-08-02 15:00Z | — | 3 h |
| 2018-08-03 12:00Z | 2018-08-03 15:00Z | — | 3 h |
| 2018-08-04 12:00Z | 2018-08-04 15:00Z | — | 3 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
445 within 180 nm since 2005 · 2 in the last 12 months · 2 in force now
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26
- 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
- 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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A
M
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J
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S
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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.