Exercises
Hazardous operations
South Atlantic · HYDROLANT 397/12
- issued
- 2012-02-20 18:05Z
- status
- cancelled 2012-02-24 00:18Z (archive)
- self-cancels
- 2012-02-24 00:18Z
- authority
- EASTERN RANGE OP 0210 140905Z FEB 12.
- sea
- South Atlantic Ocean
- position
- -8.030, -15.707
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH ATLANTIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 221800Z TO 222318Z FEB,
ALTERNATE 231800Z TO 232318Z FEB
IN AREAS BOUND BY:
A. 09-54S 012-52W, 10-22S 013-13W,
06-08S 018-36W, 05-40S 018-14W.
B. 08-03S 014-36W, 08-52S 015-20W,
08-16S 016-13W, 07-40S 015-47W.
2. CANCEL THIS MSG 240018Z FEB.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-02-22 18:00Z | 2012-02-22 23:18Z | — | 5 h 18 |
| 2012-02-23 18:00Z | 2012-02-23 23:18Z | — | 5 h 18 |
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
13 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
05
10
12
- Hazardous operations 191940Z to 200050Z dec, alternate 201940Z to 210050Z dec in area bound by 05-00S…2009-12-18
- Hazardous operations 181940Z to 190050Z dec, alternate 191940Z to 200050Z dec in area bound by 05-00S…2009-12-17
- Hazardous operations 111950Z to 120105Z dec, alternate 121950Z to 130105Z dec in area bound by 05-57S…2002-12-06
- Hazardous operations 222130Z to 230240Z oct, alternate 232130Z to 240140Z oct in area bound by 05-51S…2002-10-21
- Hazardous operations 241945Z to 250505Z apr, alternate 251945Z to 260505Z apr in areas bound by: a. 06-42S…2002-04-22
- Hazardous operations 182010Z to 190307Z dec in area bound by 06-18S 017-21W, 08-10S 014-30W, 09-07S 015-07W,…2001-12-17
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
Nothing else in force 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.