Surveys
Underwater operations 0700Z to 1600Z daily 22 thru 24 feb in area within 40 miles of 47-25N 005-22W
Bay of Biscay · Celtic Sea · France · HYDROLANT 474/22
- issued
- 2022-02-18 12:00Z
- status
- cancelled 2022-02-21 23:23Z (archive)
- self-cancels
- 2022-02-24 17:00Z
- authority
- AVURNAV BREST 86/22 181200Z FEB 22.
- sea
- Celtic Sea
- position
- 47.417, -5.367 · r 40.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BAY OF BISCAY. CELTIC SEA. FRANCE. DNC 08. 1. UNDERWATER OPERATIONS 0700Z TO 1600Z DAILY 22 THRU 24 FEB IN AREA WITHIN 40 MILES OF 47-25N 005-22W. 2. CANCEL THIS MSG 241700Z FEB 22.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-02-22 07:00Z | 2022-02-22 16:00Z | — | 9 h |
| 2022-02-23 07:00Z | 2022-02-23 16:00Z | — | 9 h |
| 2022-02-24 07:00Z | 2022-02-24 16:00Z | — | 9 h |
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
465 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
- Survey operations 09 thru 13 oct by M/V minibex in area bound by 45-44.78N 001-55.27W, 45-53.86N 002-02.56W,…2023-10-06
- 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
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 474/22 and this msgcancelled by · 2022-02-21
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.