Exercises

Hazardous operations

North Atlantic · HYDROLANT 1373/12

issued
2012-06-24 16:46Z
status
cancelled 2012-06-25 11:22Z (archive)
self-cancels
2012-06-30 16:01Z
authority
NAVAREA II 186/12 241630Z JUN 12.
sea
North Atlantic Ocean
position
18.050, -34.767
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH ATLANTIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 280930Z TO 281501Z FEB, ALTERNATE
   0930Z TO 1501Z DAILY 29 AND 30 JUN VICINITY:
   A. 18-22N 034-41W.
   B. 17-44N 034-51W.
2. CANCEL THIS MSG 301601Z JUN.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2012-02-28 09:30Z2012-02-28 15:01Z5 h 31

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

12 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
12

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

Timeline

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.