Surveys

Sub-surface scientific mooring, at depth 120 meters, established in 48-17.3N 005-40.0W

Celtic Sea · France-northwest Coast · HYDROLANT 1904/17

issued
2017-06-20 11:20Z
status
cancelled 2017-12-13 16:45Z (archive)
authority
NAVAREA II 230/17 201036Z JUN 17.
sea
Celtic Sea
position
48.288, -5.667
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

CELTIC SEA.
FRANCE-NORTHWEST COAST.
DNC 20.
CHART 37320.
SUB-SURFACE SCIENTIFIC MOORING, AT DEPTH 120
METERS, ESTABLISHED IN 48-17.3N 005-40.0W.

This area · survey operations

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

99
00
05
10
15
20
23

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

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.