Exercises
Hazardous operations 100300Z to 100800Z mar in: a. 08-04.00S 034-52.30W
Western South Atlantic Brazil-northeast Coast · HYDROLANT 840/18
- issued
- 2018-03-09 17:54Z
- status
- cancelled 2018-03-10 09:00Z (archive)
- self-cancels
- 2018-03-10 09:00Z
- authority
- NAVAREA V COASTAL E 201/18 091359Z MAR 18.
- sea
- South Atlantic Ocean
- position
- -8.417, -34.973
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC BRAZIL-NORTHEAST COAST. DNC 01. 1. HAZARDOUS OPERATIONS 100300Z TO 100800Z MAR IN: A. 08-04.00S 034-52.30W. B. 08-46.05S 035-04.48W. 2. CANCEL THIS MSG 100900Z MAR 18.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-03-10 03:00Z | 2018-03-10 08:00Z | — | 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
363 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now
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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 250001Z to 260001Z jan in area bound by 11-48.00S 035-37.00W, 10-45.60S 035-25.90W,…2024-01-20
- Hazardous operations 240300Z to 270300Z jan in area bound by 10-14.33S 035-50.58W, 10-32.00S 035-25.50W,…2024-01-19
- Hazardous operations 230300Z to 260300Z jan in area bound by 08-51.88S 034-17.63W, 08-51.87S 034-38.00W,…2024-01-18
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
- Tamandare light 08-45.57S 035-06.08W unlit until 02 novNav aids · 21.9 nm
- Maceio light 09-41.03S 035-43.38W unlit until 31 octNav aids · 88.1 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.