Exercises

Hazardous operations

Brazil-northeast Coast · HYDROLANT 506/15

issued
2015-03-01 01:08Z
status
cancelled 2015-03-06 16:00Z (archive)
self-cancels
2015-03-06 16:00Z
authority
NAVAREA V N 186/15 010045Z MAR 15.
sea
South Atlantic Ocean
position
-4.449, -36.072 · r 10.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-NORTHEAST COAST.
HAZARDOUS OPERATIONS.
DNC 01.
1. HAZARDOUS OPERATIONS 061000Z TO 061500Z MAR
   WITHIN TEN MILES OF 04-26.91S 036-04.30W.
2. CANCEL THIS MSG 061600Z MAR 15.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2015-03-06 10:00Z2015-03-06 15:00Z5 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

362 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.