Exercises

Hazardous operations

Brazil-northeast Coast · HYDROLANT 2958/14

issued
2014-12-04 06:20Z
status
cancelled 2014-12-11 22:00Z (archive)
self-cancels
2014-12-11 22:00Z
authority
NAVAREA V E 1371/14 040036Z DEC 14.
sea
South Atlantic Ocean
position
-5.799, -34.579
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-NORTHEAST COAST.
HAZARDOUS OPERATIONS.
DNC 01.
1. HAZARDOUS OPERATIONS 1000Z TO 2100Z DAILY
   09 THRU 11 DEC IN AREA BOUND BY
   05-43.87S 034-59.47W, 05-16.72S 034-31.67W,
   05-27.60S 034-21.35W, 06-02.20S 034-15.20W,
   06-15.97S 034-17.35W, 06-02.58S 034-52.83W.
2. CANCEL THIS MSG 112200Z DEC 14.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2014-12-09 10:00Z2014-12-09 21:00Z11 h
2014-12-10 10:00Z2014-12-10 21:00Z11 h
2014-12-11 10:00Z2014-12-11 21:00Z11 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

380 within 180 nm since 1999 · 1 in the last 12 months · 1 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.