Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 66/10

issued
2010-01-13 01:26Z
status
cancelled 2010-01-19 00:30Z (archive)
self-cancels
2010-01-19 00:30Z
authority
NAVAREA V S 61/10 130032Z JAN 10.
sea
South Atlantic Ocean
position
-28.525, -48.392 · r 10.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 181600Z TO 182330Z JAN
   WITHIN TEN MILES OF 28-31.5S 048-23.5W.
2. CANCEL THIS MSG 190030Z JAN.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2010-01-18 16:00Z2010-01-18 23:30Z7 h 30

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

127 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now

03
05
10
15
20
23

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

Worldwide now

36 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.