Exercises
Hazardous operations
Brazil-east Coast · HYDROLANT 2834/15
- issued
- 2015-11-18 00:58Z
- status
- cancelled 2015-11-23 09:00Z (archive)
- self-cancels
- 2015-11-23 09:00Z
- authority
- NAVAREA V 371/15 180017Z NOV 15.
- sea
- South Atlantic Ocean
- position
- -20.404, -38.462
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-EAST COAST. HAZARDOUS OPERATIONS. DNC 01. 1. HAZARDOUS OPERATIONS 180800Z TO 230800Z NOV BY M/V SESTREA AND M/V MARCILIO DIAS IN AREA BOUND BY 19-35S 038-28W, 19-49S 039-05W, 20-24S 039-21W, 20-59S 039-05W, 21-14S 038-28W, 20-59S 037-50W, 20-24S 037-35W, 19-49S 037-50W. 2. CANCEL THIS MSG 230900Z NOV 15.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-11-18 08:00Z | 2015-11-23 08:00Z | — | 120 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
99 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
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05
10
15
20
23
- Hazardous operations 24 nov thru 08 dec in area bound by 20-50.78S 040-43.00W, 20-58.90S 040-29.12W,…2023-11-19
- Hazardous operations 281800Z sep to 010001Z oct in area bound by 21-40.75S 038-46.70W, 21-40.75S 038-03.90W,…2023-09-25
- Hazardous operations 280001Z to 280900Z sep in area bound by 20-35.00S 038-24.00W, 20-26.00S 038-36.00W,…2023-09-23
- Hazardous operations 271000Z to 272200Z sep in area bound by 19-45.00S 038-00.00W, 18-30.00S 038-00.00W,…2023-09-22
- Hazardous operations 202230Z to 210200Z sep in area bound by 17-45.00S 037-55.00W, 17-30.00S 037-55.00W,…2023-09-15
- Hazardous operations 17 thru 25 nov in area bound by 20-56.67S 040-32.52W, 20-49.42S 040-40.92W, 20-52.67S…2022-11-12
Season · when military exercises happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Foul ground until 06 dec 27 in area bound by 19-53.87S 039-59.68W, 19-54.15S 039-59.27W, 19-53.08S…Wrecks · 91.1 nm
- Underwater operations 0800Z to 1800Z daily 02 thru 16 aug by M/V comando b and M/V royal topaz in 20-21.62S…Surveys · 94.1 nm
- Underwater operations in progress until 27 aug by M/V navios felix and M/V comando b in 20-22.12S 040-08.38WSurveys · 94.4 nm
- Underwater operations 0800Z to 1800Z daily 08 thru 22 aug by M/V marsanne and M/V comando b in 20-23.57S…Surveys · 94.8 nm
- Underwater operations 0800Z to 1800Z daily 11 thru 25 aug by M/V comando b and M/V faneromeni in 20-23.00S…Surveys · 95 nm
- Underwater operations 1100Z to 2100Z daily 12 thru 21 aug by M/V comando b and M/V faneromeni in 20-23.67S…Surveys · 95.4 nm
- Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…Surveys · 95.6 nm
- Underwater operations 1100Z to 2100Z daily 15 thru 29 aug by M/V comando b and M/V rosco banyan in 20-23.37S…Surveys · 96.6 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.