Exercises
Hazardous operations 231700Z to 232100Z, 241100Z to 242100Z, 251100Z to 252359Z and 261100Z to 262100Z mar…
HYDROLANT 537/09
- issued
- 2009-03-18 01:37Z
- status
- cancelled 2009-03-26 22:00Z (archive)
- self-cancels
- 2009-03-26 22:00Z
- authority
- NAVAREA V 599/09 180053Z MAR 09.
- sea
- South Atlantic Ocean
- position
- -24.038, -44.077
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 231700Z TO 232100Z, 241100Z TO 242100Z, 251100Z TO 252359Z AND 261100Z TO 262100Z MAR IN AREA BOUND BY 23-30.0S 043-50.0W, 23-55.0S 043-31.0W, 24-36.0S 044-24.0W, 24-08.2S 044-35.5W. 2. CANCEL THIS MSG 262200Z MAR.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-03-23 17:00Z | 2009-03-23 21:00Z | — | 4 h |
| 2009-03-24 11:00Z | 2009-03-24 21:00Z | — | 10 h |
| 2009-03-25 11:00Z | 2009-03-25 23:59Z | — | 12 h 59 |
| 2009-03-26 11:00Z | 2009-03-26 21:00Z | — | 10 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
723 within 180 nm since 1999 · 3 in the last 12 months · 2 in force now
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00
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25
26
- Hazardous operations 250900Z to 272100Z aug in area within seven miles of 24-26.04S 045-39.91W2026-08-20
- Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00W2026-08-13
- 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
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
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 51 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 86.1 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 93.4 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.