Exercises

Hazardous operations

England-east Coast · HYDROLANT 492/10

issued
2010-03-22 01:22Z
status
cancelled 2010-03-24 14:45Z (archive)
self-cancels
2010-03-24 14:45Z
authority
WZ 308/10 211745Z MAR 10.
sea
North Sea
position
55.202, -0.786
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

ENGLAND-EAST COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 1215Z TO 1345Z DAILY
   22 THRU 24 MAR IN AREA BOUND BY
   55-02N 001-00W, 55-20N 001-07W,
   55-20N 000-23W, 55-02N 000-40W.
2. CANCEL THIS MSG 241445Z MAR.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2010-03-22 12:15Z2010-03-22 13:45Z1 h 30
2010-03-23 12:15Z2010-03-23 13:45Z1 h 30
2010-03-24 12:15Z2010-03-24 13:45Z1 h 30

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

30 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now

05
10
15
20
23

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.