Exercises
Western south atlantic DNC 01
HYDROLANT 243/20
- issued
- 2020-01-24 16:13Z
- status
- cancelled 2020-01-28 10:18Z (archive)
- self-cancels
- 2020-01-31 23:00Z
- authority
- NAVAREA V 40/20 241317Z JAN 20.
- sea
- South Atlantic Ocean
- position
- -27.333, -44.000 · r 40.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC DNC 01. 1. HAZARDOUS OPERATIONS 280800Z TO 312200Z JAN IN AREA WITHIN 40 MILES OF 27-20S 044-00W. 2. CANCEL THIS MSG 312300Z JAN 20.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-01-28 08:00Z | 2020-01-31 22:00Z | — | 86 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
175 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now
05
10
15
20
24
- Hazardous operations 052300Z to 082359Z oct in area bound by 24-47.00S 044-16.00W, 24-47.00S 043-20.00W,…2024-10-02
- Hazardous operations in progress until 182300Z dec in area bound by 24-51.58S 043-44.93W, 24-16.70S…2023-12-06
- Hazardous operations 101200Z to 182359Z aug in area bound by 24-17.00S 043-00.00W, 24-17.00S 043-38.00W,…2023-08-07
- Hazardous operations 211200Z TO310001Z jul in area bound by 24-17.00S 043-18.00W, 24-17.00S 043-56.00W,…2023-07-18
- Hazardous operations 271200Z jun to 082359Z jul in area bound by 24-17.00S 043-00.00W, 24-17.00S 043-38.00W,…2023-06-22
- 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
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F
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A
M
J
J
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month of issue, all years in the archive
Timeline
- Western south atlantic DNC 01cancelled by · 2020-01-28
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
36 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.