Exercises

Hazardous operations

England-southeast Coast · HYDROLANT 2010/11

issued
2011-11-27 22:37Z
status
cancelled 2011-12-01 17:30Z (archive)
self-cancels
2011-12-01 17:30Z
authority
WZ 1233/11 272150Z NOV 11.//
sea
North Sea
position
52.471, 2.143
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

ENGLAND-SOUTHEAST COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 1200Z TO 1630Z DAILY
   28 NOV THRU 01 DEC IN AREA BOUND BY
   52-20N 001-55E, 52-32N 001-55E,
   52-36N 002-20E, 52-26N 002-25E.
2. CANCEL THIS MSG 011730Z DEC.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2011-11-28 12:00Z2011-11-28 16:30Z4 h 30
2011-11-29 12:00Z2011-11-29 16:30Z4 h 30
2011-11-30 12:00Z2011-11-30 16:30Z4 h 30
2011-12-01 12:00Z2011-12-01 16:30Z4 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

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

05
10
15
20
21

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.