Exercises
Hazardous operations 0900Z to 2100Z daily 23 mar thru 10 apr in area bound by 23-27.03S 043-52.03W,…
Western South Atlantic · Brazil-south Coast · HYDROLANT 1023/20
- issued
- 2020-03-18 07:58Z
- status
- cancelled 2020-04-10 22:00Z (archive)
- self-cancels
- 2020-04-10 22:00Z
- authority
- NAVAREA V COASTAL S 215/20 172150Z MAR 20.
- sea
- South Atlantic Ocean
- position
- -23.767, -44.355
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. HAZARDOUS OPERATIONS 0900Z TO 2100Z DAILY 23 MAR THRU 10 APR IN AREA BOUND BY 23-27.03S 043-52.03W, 23-30.03S 043-50.03W, 24-08.03S 044-35.03W, 23-45.03S 044-44.03W. 2. CANCEL THIS MSG 102200Z APR 20.
Activity windows · 19 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-03-23 09:00Z | 2020-03-23 21:00Z | — | 12 h |
| 2020-03-24 09:00Z | 2020-03-24 21:00Z | — | 12 h |
| 2020-03-25 09:00Z | 2020-03-25 21:00Z | — | 12 h |
| 2020-03-26 09:00Z | 2020-03-26 21:00Z | — | 12 h |
| 2020-03-27 09:00Z | 2020-03-27 21:00Z | — | 12 h |
| 2020-03-28 09:00Z | 2020-03-28 21:00Z | — | 12 h |
| 2020-03-29 09:00Z | 2020-03-29 21:00Z | — | 12 h |
| 2020-03-30 09:00Z | 2020-03-30 21:00Z | — | 12 h |
| … 11 more | |||
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
755 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 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
Nearby now · within 120 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 32.5 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 73.7 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 114.2 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.