Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 1256/10

issued
2010-07-04 00:08Z
status
cancelled 2010-07-09 19:00Z (archive)
self-cancels
2010-07-09 19:00Z
authority
NAVAREA V S 999/10 03 JUL 10.
sea
South Atlantic Ocean
position
-23.583, -43.005
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 090600Z TO 091800Z JUL
   IN AREAS BOUND BY:
   A. 23-13.5S 043-01.5W, 23-20.0S 042-54.0W,
      23-27.2S 043-01.5W, 23-20.0S 043-09.2W.
   B. 23-20.0S 043-09.2W, 23-27.2S 043-01.5W,
      23-34.3S 043-09.2W, 23-27.2S 043-16.7W.
   C. 23-20.0S 042-54.0W, 23-27.2S 042-46.5W,
      23-34.3S 042-54.0W, 23-27.2S 043-01.5W.
   D. 23-27.2S 042-46.5W, 23-28.2S 042-45.1W,
      23-42.3S 042-45.1W, 23-34.3S 042-54.0W.
   E. 23-27.2S 043-01.5W, 23-42.3S 042-45.1W,
      23-50.0S 042-45.1W, 23-50.0S 043-16.7W,
      23-41.1S 043-16.7W.
2. CANCEL THIS MSG 091900Z JUL.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2010-07-09 06:00Z2010-07-09 18:00Z12 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

650 within 180 nm since 1999 · 3 in the last 12 months · 2 in force now

99
00
05
10
15
20
25
26

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

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.