Surveys
Survey operations 030001Z to 052359Z apr in area bound by 47-00N 007-20W, 47-00N 005-40W, 46-20N 005-40W,…
Eastern North Atlantic · Celtic Sea · Bay of Biscay · France · HYDROLANT 891/21
- issued
- 2021-04-01 16:28Z
- status
- cancelled 2021-04-06 01:00Z (archive)
- self-cancels
- 2021-04-06 01:00Z
- authority
- NAVAREA II 137/21 011549Z APR 21.
- sea
- North Atlantic Ocean
- position
- 46.667, -6.500
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. CELTIC SEA. BAY OF BISCAY. FRANCE. DNC 08. 1. SURVEY OPERATIONS 030001Z TO 052359Z APR IN AREA BOUND BY 47-00N 007-20W, 47-00N 005-40W, 46-20N 005-40W, 46-20N 007-20W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 060100Z APR 21.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-04-03 00:01Z | 2021-04-05 23:59Z | — | 71 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
311 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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24
- Survey operations 19 apr thru 28 may by M/V thalassa along trackline joining 47-50.31N 004-08.86W, 43-22.95N…2024-04-17
- Underwater operations 02 thru 11 oct by M/V atalante in area bound by 47-26.59N 006-34.33W, 46-52.40N…2023-09-29
- Survey operations in progress until 060001Z oct by M/V pourquoi pas in area bound by 47-17.05N 009-17.05W,…2023-09-25
- Survey operations in progress until 112200Z oct by M/V emma bardan in area bound by 48-00.00N 005-50.00W,…2023-08-16
- Survey operations 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
- Survey operations 19 thru 25 apr in area bound by 48-00.00N 009-29.00W, 48-00.00N 007-56.00W, 46-54.00N…2023-04-17
Season · when survey operations happen here
J
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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
84 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.