Exercises
Hazardous operations 0900Z to 1900Z daily 31 jul thru 03 aug in area within ten miles of 13-20.00S 038-15.00W
Western South Atlantic · Brazil · HYDROLANT 1676/23
- issued
- 2023-07-26 05:47Z
- status
- cancelled 2023-08-03 20:00Z (archive)
- self-cancels
- 2023-08-03 20:00Z
- cancels
- HYDROLANT 1648/23
- authority
- NAVAREA V COASTAL 408/23 260301Z JUL 23.
- sea
- South Atlantic Ocean
- position
- -13.333, -38.250 · r 10.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. HAZARDOUS OPERATIONS 0900Z TO 1900Z DAILY 31 JUL THRU 03 AUG IN AREA WITHIN TEN MILES OF 13-20.00S 038-15.00W. 2. CANCEL HYDROLANT 1648/23. 3. CANCEL THIS MSG 032000Z AUG 23.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-07-31 09:00Z | 2023-07-31 19:00Z | — | 10 h |
| 2023-08-01 09:00Z | 2023-08-01 19:00Z | — | 10 h |
| 2023-08-02 09:00Z | 2023-08-02 19:00Z | — | 10 h |
| 2023-08-03 09:00Z | 2023-08-03 19:00Z | — | 10 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
156 within 180 nm since 2004 · 0 in the last 12 months · 0 in force now
04
05
10
15
20
23
- Hazardous operations 181300Z to 191800Z dec in area bound by 13-20.58S 038-16.30W, 13-20.58S 038-26.33W,…2023-12-13
- Hazardous operations 1300Z to 1800Z daily 07 thru 08 dec in area bound by 13-20.53S 038-26.33W, 13-20.58S…2023-12-02
- Hazardous operations 061300Z to 061800Z dec in area within ten miles of 13-20.00S 038-15.00W2023-12-01
- Hazardous operations 270900Z to 301900Z nov in area within ten miles of 13-20.00S 038-15.00W2023-11-22
- Hazardous operations 261000Z to 261600Z sep in area within 20 miles of 15-50.00S 036-45.00W2023-09-21
- Hazardous operations 251600Z to 302200Z sep in area bound by 13-36.00S 038-22.00W, 13-30.50S 038-13.00W,…2023-09-20
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
Nothing else in force within 120 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.