Exercises
Hazardous operations 1800Z to 2000Z daily 03 thru 06 aug in area bound by 22-57.58S 044-02.25W, 23-02.57S…
Western South Atlantic · Brazil-south Coast · HYDROLANT 1971/21
- issued
- 2021-07-29 00:41Z
- status
- cancelled 2021-08-06 21:00Z (archive)
- self-cancels
- 2021-08-06 21:00Z
- authority
- NAVAREA V COASTAL S 543/21 290022Z JUL 21.
- sea
- South Atlantic Ocean
- position
- -23.209, -43.751
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. HAZARDOUS OPERATIONS 1800Z TO 2000Z DAILY 03 THRU 06 AUG IN AREA BOUND BY 22-57.58S 044-02.25W, 23-02.57S 043-26.32W, 23-24.53S 043-24.80W, 23-24.98S 044-03.95W. 2. CANCEL THIS MSG 062100Z AUG 21.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-08-03 18:00Z | 2021-08-03 20:00Z | — | 2 h |
| 2021-08-04 18:00Z | 2021-08-04 20:00Z | — | 2 h |
| 2021-08-05 18:00Z | 2021-08-05 20:00Z | — | 2 h |
| 2021-08-06 18:00Z | 2021-08-06 20:00Z | — | 2 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
628 within 180 nm since 1999 · 3 in the last 12 months · 2 in force now
99
00
05
10
15
20
25
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
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
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 32.9 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 110.2 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 117.3 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.