Exercises

Hazardous operations

North Atlantic · NAVAREA IV 525/12

issued
2012-09-11 06:35Z
status
cancelled 2012-09-11 18:00Z (archive)
self-cancels
2012-09-11 18:00Z
authority
LURDES CARNEIRO 101104Z SEP 12.
sea
North Atlantic Ocean
position
37.577, -38.763 · r 50.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH ATLANTIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 111600Z TO 111700Z SEP
   WITHIN 50 MILES OF 37-34.6N 038-45.8W.
2. CANCEL THIS MSG 111800Z SEP 12.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2012-09-11 16:00Z2012-09-11 17:00Z1 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

3 within 180 nm since 2010 · 0 in the last 12 months · 0 in force now

10
15
19

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

Nothing else in force 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.