Exercises

Hazardous operations 0900Z to 1100Z and 1400Z to 1600Z daily 01 thru 05 oct within four miles of trackline…

HYDROLANT 1664/07

issued
2007-10-01 03:41Z
status
cancelled 2007-10-05 17:00Z (archive)
self-cancels
2007-10-05 17:00Z
authority
WZ 1223/07 010229Z OCT 07.
sea
North Sea
position
54.083, 0.350
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0900Z TO 1100Z AND 1400Z TO 1600Z
   DAILY 01 THRU 05 OCT WITHIN FOUR MILES OF TRACKLINE BETWEEN
   54-00N 000-06E AND 54-10N 000-36E.
2. CANCEL THIS MSG 051700Z OCT.

Activity windows · 10 in this warning

opens (UTC)closes (UTC)locallength
2007-10-01 09:00Z2007-10-01 11:00Z2 h
2007-10-01 14:00Z2007-10-01 16:00Z2 h
2007-10-02 09:00Z2007-10-02 11:00Z2 h
2007-10-02 14:00Z2007-10-02 16:00Z2 h
2007-10-03 09:00Z2007-10-03 11:00Z2 h
2007-10-03 14:00Z2007-10-03 16:00Z2 h
2007-10-04 09:00Z2007-10-04 11:00Z2 h
2007-10-04 14:00Z2007-10-04 16:00Z2 h
2 more

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

31 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.