Exercises

Hazardous operations

Eastern North Atlantic · Scotland-west Coast · HYDROLANT 358/11

issued
2011-03-03 12:56Z
status
cancelled 2011-03-06 20:00Z (archive)
self-cancels
2011-03-06 20:00Z
cancels
HYDROLANT 352/11
authority
NAVAREA I 46/11 031045Z MAR 11 - WZ 266/11 031117Z MAR 11.
sea
North Atlantic Ocean
position
57.033, -9.123 · r 60.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
SCOTLAND-WEST COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 1000Z TO 1900Z
   DAILY 04 THRU 06 MAR
   WITHIN 60 MILES OF 57-02.0N 009-07.4W.
   VESSELS INTENDING TO ENTER AREA SHOULD CONTACT
   HEBRIDES RANGE CONTROL ON VHF CH 16 FOR ADVICE.
2. CANCEL HYDROLANT 352/11, OPERATIONS SUSPENDED.
3. CANCEL THIS MSG 062000Z MAR.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2011-03-04 10:00Z2011-03-04 19:00Z9 h
2011-03-05 10:00Z2011-03-05 19:00Z9 h
2011-03-06 10:00Z2011-03-06 19:00Z9 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

341 within 180 nm since 2001 · 2 in the last 12 months · 0 in force now

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26

Season · when military exercises happen here

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M
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month of issue, all years in the archive

Timeline

Nearby now · 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.