Surveys

Survey operations 19 apr thru 28 may by M/V thalassa along trackline joining 47-50.31N 004-08.86W, 43-22.95N…

Bay of Biscay · France · HYDROLANT 824/24

issued
2024-04-17 20:36Z
status
cancelled 2024-04-29 00:01Z (archive)
self-cancels
2024-04-29 00:01Z
authority
AVURNAV BREST 111/24 171731Z APR 24.
position
45.611, -2.961
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BAY OF BISCAY.
FRANCE.
DNC 08.
1. SURVEY OPERATIONS 19 APR THRU 28 MAY BY
   M/V THALASSA ALONG TRACKLINE JOINING
   47-50.31N 004-08.86W, 43-22.95N 001-46.49W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 290001Z APR 24.

This area · survey operations

94 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

73 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.