Exercises
Hazardous operations 1230Z to 2030Z daily 28 mar thru 08 apr in area bound by 27-53S 048-18W, 28-04S…
HYDROLANT 528/05
- issued
- 2005-03-23 05:43Z
- status
- cancelled 2005-04-08 21:30Z (archive)
- self-cancels
- 2005-04-08 21:30Z
- authority
- NAVAREA V 268/05 230359Z MAR 05.
- sea
- South Atlantic Ocean
- position
- -28.228, -48.334
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1230Z TO 2030Z DAILY 28 MAR THRU 08 APR IN AREA BOUND BY 27-53S 048-18W, 28-04S 048-11W, 28-33S 048-20W, 28-23S 048-30W. 2. CANCEL THIS MSG 082130Z APR.
Activity windows · 12 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2005-03-28 12:30Z | 2005-03-28 20:30Z | — | 8 h |
| 2005-03-29 12:30Z | 2005-03-29 20:30Z | — | 8 h |
| 2005-03-30 12:30Z | 2005-03-30 20:30Z | — | 8 h |
| 2005-03-31 12:30Z | 2005-03-31 20:30Z | — | 8 h |
| 2005-04-01 12:30Z | 2005-04-01 20:30Z | — | 8 h |
| 2005-04-02 12:30Z | 2005-04-02 20:30Z | — | 8 h |
| 2005-04-03 12:30Z | 2005-04-03 20:30Z | — | 8 h |
| 2005-04-04 12:30Z | 2005-04-04 20:30Z | — | 8 h |
| … 4 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
179 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
03
05
10
15
20
23
- Hazardous operations 100900Z to 110400Z aug in area bound by 28-29.50S 046-35.63W, 28-12.87S 047-04.53W,…2023-08-06
- Hazardous operations 0900Z to 2130Z daily 31 jul thru 18 aug in area bound by 29-20.53S 049-05.53W,…2023-07-26
- Hazardous operations 160900Z to 292100Z jul in area bound by 27-59.52S 048-13.07W, 28-06.34S 048-01.90W,…2023-07-11
- 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
- Hazardous operations 231900Z to 232100Z jan in area bound by 26-26.50S 047-55.50W, 26-42.00S 047-35.50W,…2023-01-21
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
O
N
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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.