Surveys
Underwater operations 210900Z to 211700Z, 250700Z to 251200Z and 260900Z to 261400Z mar in area within 40…
Bay of Biscay · Celtic Sea · France · HYDROLANT 774/22
- issued
- 2022-03-17 13:43Z
- status
- cancelled 2022-03-26 15:00Z (archive)
- self-cancels
- 2022-03-26 15:00Z
- authority
- AVURNAV BREST 148/22 171200Z MAR 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, DNC 20. 1. UNDERWATER OPERATIONS 210900Z TO 211700Z, 250700Z TO 251200Z AND 260900Z TO 261400Z MAR IN AREA WITHIN 40 MILES OF 47-25N 005-22W. 2. CANCEL THIS MSG 261500Z MAR 22.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-03-21 09:00Z | 2022-03-21 17:00Z | — | 8 h |
| 2022-03-25 07:00Z | 2022-03-25 12:00Z | — | 5 h |
| 2022-03-26 09:00Z | 2022-03-26 14:00Z | — | 5 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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- 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
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.