Exercises
Hazardous operations 040900Z to 070900Z nov in areas bound by: a. 25-19.15S 047-21.90W, 25-01.09S…
Western South Atlantic · Brazil-south Coast · HYDROLANT 3570/17
- issued
- 2017-11-04 07:36Z
- status
- cancelled 2017-11-07 10:00Z (archive)
- self-cancels
- 2017-11-07 10:00Z
- authority
- NAVAREA V COASTAL S 899/17 040610Z NOV 17.
- sea
- South Atlantic Ocean
- position
- -25.480, -46.948
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTH COAST.
DNC 01.
1. HAZARDOUS OPERATIONS 040900Z TO 070900Z NOV
IN AREAS BOUND BY:
A. 25-19.15S 047-21.90W, 25-01.09S 046-34.77W,
25-03.08S 046-24.34W, 25-13.95S 046-10.03W,
25-33.79S 046-27.47W, 25-35.95S 046-46.21W,
25-46.96S 047-05.36W.
B. 25-42.39S 047-28.96W, 25-08.66S 047-20.08W,
25-12.09S 047-02.79W, 25-02.22S 046-34.78W,
25-03.37S 046-24.92W, 25-26.95S 046-16.63W,
25-34.53S 046-44.35W, 25-46.68S 047-04.79W,
26-18.40S 047-31.23W.
2. CANCEL THIS MSG 071000Z NOV 17.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-11-04 09:00Z | 2017-11-07 09:00Z | — | 72 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
330 within 180 nm since 2004 · 1 in the last 12 months · 0 in force now
04
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 041200Z to 082000Z dec in area within 12 miles of 24-22.68S 045-50.95W2023-11-30
- Hazardous operations 1100Z to 2000Z daily 13 nov thru 01 dec in areas within five miles of: a. 24-00.00S…2023-11-09
- Hazardous operations 271200Z to 272000Z sep in area within 12 miles of 24-22.68S 045-50.95W2023-09-27
- Hazardous operations 260001Z apr to 130001Z may in area bound by 26-59.82S 046-22.87W, 26-59.82S 047-54.87W,…2023-04-21
- Hazardous operations 260001Z apr to 130001Z may in area bound by 26-59.82S 046-22.87W, 26-59.82S 047-54.87W,…2023-04-21
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
Nearby now · within 120 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 76 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 108.8 nm
- Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92WSurveys · 116.9 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.