Exercises
Hazardous operations 170800Z to 171200Z oct in area bound by 21-26.40S 034-51.85W, 21-47.05S 034-52.00W,…
Western South Atlantic · HYDROLANT 3257/17
- issued
- 2017-10-12 01:33Z
- status
- cancelled 2017-10-17 13:00Z (archive)
- self-cancels
- 2017-10-17 13:00Z
- authority
- NAVAREA V 284/17 120058Z OCT 17.
- sea
- South Atlantic Ocean
- position
- -21.677, -35.214
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. DNC 01. 1. HAZARDOUS OPERATIONS 170800Z TO 171200Z OCT IN AREA BOUND BY 21-26.40S 034-51.85W, 21-47.05S 034-52.00W, 21-54.95S 035-33.74W, 21-34.01S 035-33.59W. 2. CANCEL THIS MSG 171300Z OCT 17.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-10-17 08:00Z | 2017-10-17 12:00Z | — | 4 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
8 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now
06
10
15
20
23
- Hazardous operations 281800Z sep to 010001Z oct in area bound by 21-40.75S 038-46.70W, 21-40.75S 038-03.90W,…2023-09-25
- Hazardous operations 171000Z to 171400Z oct in area bound by 21-26.40S 034-51.85W, 21-47.05S 034-52.00W,…2017-10-16
- Hazardous operations2011-04-17
- Hazardous operations 1. hazardous operations 112200Z to 120100Z apr in area bound by 21-48.0S 038-33.0W,…2011-04-06
- Hazardous operations 260900Z to 261500Z apr within ten miles of 21-06S 032-30W2007-04-21
- Gunnery exercises 060800Z to 061200Z apr in area bound by 21-04S 032-34W, 21-17S 032-31W, 21-01S 032-18W,…2006-04-01
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
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N
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- 18.3 meter depth reported in 20-35.71S 034-46.07WWrecks · 69.6 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.