Surveys

Underwater operations 211100Z to 232200Z mar by M/V roxane z in: a. 47-56.74N 006-36.77W

Celtic Sea · France · HYDROLANT 909/19

issued
2019-03-21 10:53Z
status
cancelled 2019-03-23 23:00Z (archive)
self-cancels
2019-03-23 23:00Z
authority
NAVAREA II 127/19 211047Z MAR 19.
sea
Celtic Sea
position
48.008, -6.510
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

CELTIC SEA.
FRANCE.
DNC 08, DNC 19.
1. UNDERWATER OPERATIONS 211100Z TO 232200Z MAR
   BY M/V ROXANE Z IN:
   A. 47-56.74N 006-36.77W.
   B. 48-04.23N 006-24.45W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 232300Z MAR 19.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2019-03-21 11:00Z2019-03-23 22:00Z59 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 · survey operations

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

99
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23

Season · when survey operations happen here

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M
J
J
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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

86 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

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.