Exercises
Hazardous operations 2230Z to 2345Z daily 15 thru 17 aug in area within seven miles of 23-51.35S 044-40.35W
Western South Atlantic · Brazil · HYDROLANT 2031/22
- issued
- 2022-08-15 20:01Z
- status
- cancelled 2022-08-18 00:45Z (archive)
- self-cancels
- 2022-08-18 00:45Z
- authority
- NAVAREA V COASTAL 556/22 151933Z AUG 22.
- sea
- South Atlantic Ocean
- position
- -23.856, -44.672 · r 7.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. HAZARDOUS OPERATIONS 2230Z TO 2345Z DAILY 15 THRU 17 AUG IN AREA WITHIN SEVEN MILES OF 23-51.35S 044-40.35W. 2. CANCEL THIS MSG 180045Z AUG 22.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-08-15 22:30Z | 2022-08-15 23:45Z | — | 1 h 15 |
| 2022-08-16 22:30Z | 2022-08-16 23:45Z | — | 1 h 15 |
| 2022-08-17 22:30Z | 2022-08-17 23:45Z | — | 1 h 15 |
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
750 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now
99
00
05
10
15
20
25
26
- 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
- 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
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 41.8 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 55.5 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 113 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.