Exercises
Hazardous operations 1100Z to 1600Z daily 05 thru 12 dec within: a. 35 miles of 04-10S 033-02W, b. 40.5…
HYDROLANT 3989/00
- issued
- 2000-12-01 09:15Z
- status
- cancelled 2000-12-02 05:40Z (archive)
- self-cancels
- 2000-12-12 17:00Z
- authority
- NAVAREA V 2524/00 AOR-E EGC #351 010705Z DEC 00
- sea
- South Atlantic Ocean
- position
- -4.375, -32.892
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1100Z TO 1600Z DAILY 05 THRU 12 DEC WITHIN: A. 35 MILES OF 04-10S 033-02W, B. 40.5 MILES OF 04-35S 032-45W. 2. CANCEL THIS MSG 121700Z DEC.
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2000-12-05 11:00Z | 2000-12-05 16:00Z | — | 5 h |
| 2000-12-06 11:00Z | 2000-12-06 16:00Z | — | 5 h |
| 2000-12-07 11:00Z | 2000-12-07 16:00Z | — | 5 h |
| 2000-12-08 11:00Z | 2000-12-08 16:00Z | — | 5 h |
| 2000-12-09 11:00Z | 2000-12-09 16:00Z | — | 5 h |
| 2000-12-10 11:00Z | 2000-12-10 16:00Z | — | 5 h |
| 2000-12-11 11:00Z | 2000-12-11 16:00Z | — | 5 h |
| 2000-12-12 11:00Z | 2000-12-12 16:00Z | — | 5 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
347 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now
99
00
05
10
15
20
25
26
- Hazardous operations 03 aug thru 11 sep in area bound by 05-42.53S 034-45.02W, 06-09.83S 034-46.82W,…2026-07-29
- Hazardous operations 261300Z to 261900Z feb in area within ten miles of 05-40.00S 034-57.00W2024-02-22
- Hazardous operations 221300Z to 221900Z feb in area within five miles of 05-42.00S 035-01.00W2024-02-19
- Hazardous operations daily 1100Z to 2000Z 06 thru 08 dec in area bound by 05-51.89S 034-54.35W, 05-47.04S…2023-12-01
- Hazardous operations 051100Z to 051500Z dec in area within ten miles of 05-39.00S 034-52.00W2023-12-01
- Hazardous operations 051400Z to 052000Z nov in area within ten miles of 01-52.00S 031-58.00W2023-11-01
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
Timeline
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.