Exercises
Hazardous operations
Western South Atlantic · Brazil-north Coast · HYDROLANT 3221/16
- issued
- 2016-11-30 21:36Z
- status
- cancelled 2016-12-15 17:00Z (archive)
- self-cancels
- 2016-12-15 17:00Z
- authority
- NAVAREA V COASTAL 1008/16 302127Z NOV 16.
- sea
- South Atlantic Ocean
- position
- -1.547, -42.830
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC.
BRAZIL-NORTH COAST.
HAZARDOUS OPERATIONS.
DNC 01.
1. HAZARDOUS OPERATIONS 1100Z TO 1600Z DAILY
05 THRU 15 DEC IN AREAS BOUND BY:
A. 02-17.94S 044-21.37W, 02-17.82S 044-22.61W,
02-18.84S 044-23.33W, 02-19.98S 044-22.81W,
02-20.10S 044-21.57W, 02-19.08S 044-20.85W.
B. 00-46.59S 042-19.56W, 00-43.32S 043-14.23W,
01-29.46S 043-44.68W, 02-18.94S 043-19.93W,
02-22.22S 042-25.24W, 01-36.09S 041-54.80W.
2. CANCEL THIS MSG 151700Z DEC 16.
Activity windows · 11 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-12-05 11:00Z | 2016-12-05 16:00Z | — | 5 h |
| 2016-12-06 11:00Z | 2016-12-06 16:00Z | — | 5 h |
| 2016-12-07 11:00Z | 2016-12-07 16:00Z | — | 5 h |
| 2016-12-08 11:00Z | 2016-12-08 16:00Z | — | 5 h |
| 2016-12-09 11:00Z | 2016-12-09 16:00Z | — | 5 h |
| 2016-12-10 11:00Z | 2016-12-10 16:00Z | — | 5 h |
| 2016-12-11 11:00Z | 2016-12-11 16:00Z | — | 5 h |
| 2016-12-12 11:00Z | 2016-12-12 16:00Z | — | 5 h |
| … 3 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
82 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
22
- Hazardous operations 041500Z to 041800Z oct in area bound by 00-45.00S 045-18.50W, 00-43.40S 045-27.00W,…2022-09-30
- Hazardous operations in progress until 04 jun in area bound by 02-18.94S 044-22.02W, 02-13.80S 044-22.07W,…2022-05-25
- Hazardous operations in progress until 11 dec in area bound by 02-18.93S 044-22.02W, 02-13.79S 044-22.07W,…2021-12-06
- Hazardous operations 221100Z to 272100Z jun in area bound by 02-18.93S 044-22.02W, 02-13.79S 044-22.07W,…2020-06-17
- Hazardous operations 191400Z to 191700Z may in area within six miles of 00-54.3S 044-44.0W2020-05-15
- Hazardous operations 171400Z to 171700Z may in area within six miles of 00-54.3S 044-44.0W2020-05-14
Season · when military exercises happen here
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F
M
A
M
J
J
A
S
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month of issue, all years in the archive
Nearby now · 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.