Exercises
Hazardous operations 0800Z to 2200Z daily 24 thru 28 apr in area bound by 24-30.00S 040-03.00W, 24-20.00S…
Western South Atlantic · HYDROLANT 843/23
- issued
- 2023-04-20 03:22Z
- status
- cancelled 2023-04-28 23:00Z (archive)
- self-cancels
- 2023-04-28 23:00Z
- authority
- NAVAREA V 125/23 200314Z APR 23.
- sea
- South Atlantic Ocean
- position
- -25.537, -40.484
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. DNC 01. 1. HAZARDOUS OPERATIONS 0800Z TO 2200Z DAILY 24 THRU 28 APR IN AREA BOUND BY 24-30.00S 040-03.00W, 24-20.00S 040-32.00W, 25-26.00S 041-58.00W, 25-37.00S 041-57.00W, 26-50.00S 040-25.00W, 25-34.00S 039-00.00W. 2. CANCEL THIS MSG 282300Z APR 23.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-04-24 08:00Z | 2023-04-24 22:00Z | — | 14 h |
| 2023-04-25 08:00Z | 2023-04-25 22:00Z | — | 14 h |
| 2023-04-26 08:00Z | 2023-04-26 22:00Z | — | 14 h |
| 2023-04-27 08:00Z | 2023-04-27 22:00Z | — | 14 h |
| 2023-04-28 08:00Z | 2023-04-28 22:00Z | — | 14 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
327 within 180 nm since 2005 · 2 in the last 12 months · 2 in force now
05
10
15
20
25
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 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
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
O
N
D
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.