Exercises
Hazardous operations 1030Z to 2030Z daily 05 thru 20 apr in area bound by 24-14S 045-00W, 23-52S 045-14W,…
HYDROLANT 535/04
- issued
- 2004-04-01 10:40Z
- status
- cancelled 2004-04-17 08:25Z (archive)
- self-cancels
- 2004-04-20 21:30Z
- authority
- NAVAREA V 279/04 010447Z APR 04
- sea
- South Atlantic Ocean
- position
- -23.985, -45.000
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1030Z TO 2030Z DAILY 05 THRU 20 APR IN AREA BOUND BY 24-14S 045-00W, 23-52S 045-14W, 23-47S 044-58W, 23-52S 044-52W, 24-06S 044-49W. 2. CANCEL THIS MSG 202130Z APR.
Activity windows · 16 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-04-05 10:30Z | 2004-04-05 20:30Z | — | 10 h |
| 2004-04-06 10:30Z | 2004-04-06 20:30Z | — | 10 h |
| 2004-04-07 10:30Z | 2004-04-07 20:30Z | — | 10 h |
| 2004-04-08 10:30Z | 2004-04-08 20:30Z | — | 10 h |
| 2004-04-09 10:30Z | 2004-04-09 20:30Z | — | 10 h |
| 2004-04-10 10:30Z | 2004-04-10 20:30Z | — | 10 h |
| 2004-04-11 10:30Z | 2004-04-11 20:30Z | — | 10 h |
| 2004-04-12 10:30Z | 2004-04-12 20:30Z | — | 10 h |
| … 8 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
745 within 180 nm since 1999 · 2 in the last 12 months · 1 in force now
99
00
05
10
15
20
25
26
- Hazardous operations 250900Z to 272100Z aug in area within seven miles of 24-26.04S 045-39.91W2026-08-20
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…2026-07-29
- Hazardous operations 220000Z to 252359Z apr in area bound by 23-23.00S 042-15.00W, 23-23.00S 042-45.00W,…2024-04-19
- Hazardous operations 241400Z to 242100Z mar in area bound by 23-40.00S 041-50.00W, 23-40.00S 042-21.00W,…2024-03-19
- Hazardous operations 181300Z to 181900Z mar in area within three miles of 23-02.00S 043-03.00W2024-03-13
- Hazardous operations 132200Z to 140400Z mar in area bound by 23-40.00S 041-50.00W, 23-40.00S 042-21.00W,…2024-03-12
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
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 36.2 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 58 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 93.9 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.