Exercises
Hazardous operations
Brazil-southeast Coast · HYDROLANT 2925/15
- issued
- 2015-11-27 00:15Z
- status
- cancelled 2015-12-02 14:00Z (archive)
- self-cancels
- 2015-12-02 14:00Z
- authority
- NAVAREA V S 1130/15 262349Z NOV 15.
- sea
- South Atlantic Ocean
- position
- -23.200, -42.300 · r 4.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTHEAST COAST. HAZARDOUS OPERATIONS. DNC 01. 1. HAZARDOUS OPERATIONS 020900Z TO 021300Z DEC WITHIN FOUR MILES OF 23-12S 042-18W. 2. CANCEL THIS MSG 021400Z DEC 15.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-12-02 09:00Z | 2015-12-02 13:00Z | — | 4 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
634 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now
99
00
05
10
15
20
25
26
- 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
- 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
Nearby now · within 120 nm
- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…Surveys · 70.8 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 87.8 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 98 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 110.9 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 113 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 113.6 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 115.3 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 115.4 nm
- Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…Surveys · 116.2 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.