Exercises

Hazardous operations 270700Z to 270900Z and 271200Z to 271400Z apr in area bound by 48-21.00N 005-20.00W,…

Bay of Biscay · Celtic Sea · France · HYDROLANT 898/23

issued
2023-04-26 16:42Z
status
cancelled 2023-04-27 15:00Z (archive)
self-cancels
2023-04-27 15:00Z
authority
AVURNAV BREST 141/23 261634Z APR 23.
sea
Celtic Sea
position
48.217, -5.108
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BAY OF BISCAY.
CELTIC SEA.
FRANCE.
DNC 20.
1. HAZARDOUS OPERATIONS 270700Z TO 270900Z
   AND 271200Z TO 271400Z APR IN AREA
   BOUND BY
   48-21.00N 005-20.00W, 48-21.00N 004-53.00W,
   48-05.00N 004-53.00W, 48-05.00N 005-20.00W.
2. CANCEL THIS MSG 271500Z APR 23.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2023-04-27 07:00Z2023-04-27 09:00Z2 h
2023-04-27 12:00Z2023-04-27 14:00Z2 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

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

99
00
05
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24

Season · when military exercises happen here

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F
M
A
M
J
J
A
S
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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.