Surveys

Hydrographic survey 010001Z to 092359Z jun by M/V thalassa along trackline between 48-08N 005-35W and 48-08N…

Celtic Sea · Bay of Biscay · France-northwest Coast · HYDROLANT 1302/16

issued
2016-05-30 16:33Z
status
cancelled 2016-06-10 00:59Z (archive)
self-cancels
2016-06-10 00:59Z
authority
NAVAREA II 142/16 301609Z MAY 16.
sea
Celtic Sea
position
48.133, -4.958
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

CELTIC SEA.
BAY OF BISCAY.
FRANCE-NORTHWEST COAST.
DNC 08, DNC 19, DNC 20.
1. HYDROGRAPHIC SURVEY 010001Z TO 092359Z JUN
   BY M/V THALASSA ALONG TRACKLINE BETWEEN
   48-08N 005-35W AND 48-08N 004-20W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 100059Z JUN 16.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2016-06-01 00:01Z2016-06-09 23:59Z215 h 58

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
00
05
10
15
20
24

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

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.