Exercises

Hazardous operations

Brazil-northeast Coast · HYDROLANT 2923/14

issued
2014-12-01 01:45Z
status
cancelled 2014-12-04 22:00Z (archive)
self-cancels
2014-12-04 22:00Z
authority
NAVAREA V E 1357/14 010102Z DEC 14.
sea
South Atlantic Ocean
position
-5.993, -34.074
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
   01 THRU 04 DEC IN AREA BOUND BY
   05-47.20S 034-57.87W, 05-14.24S 034-00.11W,
   05-21.72S 033-26.87W, 06-23.89S 033-26.70W,
   06-41.99S 033-37.70W, 06-47.22S 033-53.86W,
   06-39.60S 034-13.71W, 06-11.47S 034-50.01W.
2. CANCEL THIS MSG 042200Z DEC 14.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2014-12-01 10:00Z2014-12-01 21:00Z11 h
2014-12-02 10:00Z2014-12-02 21:00Z11 h
2014-12-03 10:00Z2014-12-03 21:00Z11 h
2014-12-04 10:00Z2014-12-04 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

377 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.