Exercises
Hazardous operations 0800Z to 1900Z daily 04 thru 08 oct in area bound by 24-00.00S 046-24.00W, 24-10.00S…
Western South Atlantic · Brazil-south Coast · HYDROLANT 2430/21
- issued
- 2021-09-29 01:26Z
- status
- cancelled 2021-09-29 13:37Z (archive)
- self-cancels
- 2021-10-08 20:00Z
- authority
- NAVAREA V COASTAL S 672/21 290114Z SEP 21.
- sea
- South Atlantic Ocean
- position
- -24.110, -45.457
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. HAZARDOUS OPERATIONS 0800Z TO 1900Z DAILY 04 THRU 08 OCT IN AREA BOUND BY 24-00.00S 046-24.00W, 24-10.00S 043-21.00W, 24-10.00S 046-32.00W, 24-03.33S 046-32.00W. 2. CANCEL THIS MSG 082000Z OCT 21.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-10-04 08:00Z | 2021-10-04 19:00Z | — | 11 h |
| 2021-10-05 08:00Z | 2021-10-05 19:00Z | — | 11 h |
| 2021-10-06 08:00Z | 2021-10-06 19:00Z | — | 11 h |
| 2021-10-07 08:00Z | 2021-10-07 19:00Z | — | 11 h |
| 2021-10-08 08:00Z | 2021-10-08 19:00Z | — | 11 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
641 within 180 nm since 1999 · 2 in the last 12 months · 1 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 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 181300Z to 181900Z mar in area within three miles of 23-02.00S 043-03.00W2024-03-13
- Hazardous operations 1100Z to 1700Z daily 21 and 22 feb in area bound by 24-15.00S 044-00.00W, 23-50.00S…2024-02-16
- Hazardous operations 0800Z to 1800Z daily 26 thru 30 dec in area within ten miles of 23-34.28S 043-08.23W2023-12-21
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
Timeline
Nearby now · within 120 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 10.4 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 68 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 80.9 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.