Surveys

Odas buoys established in: a. 47-44.06N 005-52.48W

Celtic Sea · France · HYDROLANT 474/21

issued
2021-02-18 22:37Z
status
cancelled 2021-02-19 01:49Z (archive)
cancels
HYDROLANT 469/21
authority
NAVAREA II 74/21 182228Z FEB 21.
sea
Celtic Sea
position
47.563, -6.477
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

CELTIC SEA.
FRANCE.
DNC 08.
1. ODAS BUOYS ESTABLISHED IN:
   A. 47-44.06N 005-52.48W.
   B. 47-21.90N 006-11.03W.
2. SCIENTIFIC MOORING, LEAST DEPTH 15 METERS,
   ESTABLISHED IN 47-35.44N 007-22.28W.
3. CANCEL HYDROLANT 469/21.

This area · survey operations

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

99
00
05
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15
20
23

Season · when survey operations happen here

J
F
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A
M
J
J
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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.