Exercises
Hazardous operations 241600Z to 241800Z apr: a. in area bound by 23-02.03S 043-51.03W, 23-02.00S 043-35.03W,…
Western South Atlantic · Brazil-south Coast · HYDROLANT 1236/18
- issued
- 2018-04-19 03:46Z
- status
- cancelled 2018-04-24 19:00Z (archive)
- self-cancels
- 2018-04-24 19:00Z
- cancels
- HYDROLANT 1234/18
- authority
- NAVAREA V COASTAL S 303/18 190143Z APR 18.
- sea
- South Atlantic Ocean
- position
- -23.064, -43.829
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTH COAST.
DNC 01.
1. HAZARDOUS OPERATIONS 241600Z TO 241800Z APR:
A. IN AREA BOUND BY
23-02.03S 043-51.03W, 23-02.00S 043-35.03W,
23-04.03S 043-35.03W, 23-05.03S 043-51.03W.
B. IN AREA WITHIN 5.5 MILES OF 23-04.03S 043-52.03W.
2. CANCEL HYDROLANT 1234/18.
3. CANCEL THIS MSG 241900Z APR 18.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-04-24 16:00Z | 2018-04-24 18:00Z | — | 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
618 within 180 nm since 1999 · 2 in the last 12 months · 1 in force now
99
00
05
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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 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
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
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 30.2 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 117.9 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 119.7 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.