Survey operations in the Celtic Sea
Hydrographic and scientific survey vessels, often towing long arrays.
- in force
- 0
- last 12 months
- 0
- vs previous 12 (0)
- —
- since 1999
- 534
Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.
In force now · 0
No survey operations in force in the Celtic Sea right now.
By month (all years)
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Other hazards in the Celtic Sea
Archive · 534 cancelled
- HYDROLANT 1631/242024-07-23 → 2026-08-17A scientific mooring is established in the Celtic Sea at 47-35.83N 007-23.92W, requesting a wide berth.Celtic Sea
- HYDROLANT 1252/232023-06-06 → 2023-06-11Survey operations 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08WCeltic Sea
- HYDROLANT 38/232023-01-04 → 2023-01-12Survey operations 06 thru 11 jan by M/V belgica in area bound by 48-14.00N 005-05.00W, 47-28.00N 005-10.00W,…Bay of Biscay · Celtic Sea · Eastern North Atlantic · France
- HYDROLANT 2169/222022-09-01 → 2022-09-11Survey operations in progress until 10 sep by M/V laperouse and M/V borda along trackline joining 48-27.48N…English Channel · France
- HYDROLANT 1909/222022-08-02 → 2022-08-15Survey operations 04 thru 14 aug by M/V thalassa in 47-36.72N 007-32.19WCeltic Sea
- HYDROLANT 1490/222022-06-10 → 2022-06-15Underwater operations in progress until further notice by unmanned submersible ALR4 in vicinity of trackline…English Channel · Celtic Sea · England
- HYDROLANT 1252/222022-05-10 → 2022-05-15Underwater operations in progress until further notice by submersible in vicinity of trackline joining…Celtic Sea · English Channel · England
- HYDROLANT 1049/222022-04-13 → 2022-04-23Underwater operations 16 thru 22 apr by M/V thalassa in area bound by 46-40N 005-40W, 46-40N 006-40W, 47-20N…Bay of Biscay · Celtic Sea · France
- HYDROLANT 774/222022-03-17 → 2022-03-26Underwater operations 210900Z to 211700Z, 250700Z to 251200Z and 260900Z to 261400Z mar in area within 40…Bay of Biscay · Celtic Sea · France
- HYDROLANT 510/222022-02-21 → 2022-02-26Underwater operations 24 and 25 feb by M/V antea in 47-11.17N 005-47.27WBay of Biscay Celtic Sea · France
- HYDROLANT 474/222022-02-18 → 2022-02-21Underwater operations 0700Z to 1600Z daily 22 thru 24 feb in area within 40 miles of 47-25N 005-22WBay of Biscay · Celtic Sea · France
- HYDROLANT 385/222022-02-08 → 2022-02-09Scientific moorings established by M/V atalante until 30 nov in: a. 46-16.50N 004-55.90WCeltic Sea · Bay of Biscay · France
- HYDROLANT 104/222022-01-11 → 2022-01-28Underwater operations by M/V atalante 12 thru 16 jan in area within one mile of: a. 46-07N 007-14WEastern North Atlantic · Celtic Sea · Bay of Biscay · France
- HYDROLANT 2051/212021-08-06 → 2021-09-05Underwater operations in progress until 050001Z sep by M/V thalassa in area bound by 47-40N 007-40W, 47-40N…Celtic Sea
- HYDROLANT 1480/212021-06-01 → 2021-06-23Survey operations 03 thru 22 jun by M/V cote de la manche with submersible in area bound by 48-34N 008-24W,…Celtic Sea · Bay of Biscay · France-northwest Coast
- HYDROLANT 1123/212021-04-23 → 2021-04-26Survey operations in progress until 25 apr by M/V thalassa in area bound by 47-40N 007-40W, 47-40N 007-20W,…Celtic Sea
- HYDROLANT 711/212021-03-12 → 2021-04-23Odas buoys established in: a. 47-44.06N 005-52.48WCeltic Sea · France
- HYDROLANT 475/212021-02-19 → 2021-03-12Odas buoys established in: a. 47-44.06N 005-52.48WCeltic Sea · France
- HYDROLANT 474/212021-02-18 → 2021-02-19Odas buoys established in: a. 47-44.06N 005-52.48WCeltic Sea · France
- HYDROLANT 469/212021-02-18 → 2021-02-18Odas buoys established in: a. 47-44.06N 005-52.48WCeltic Sea · France
- HYDROLANT 149/212021-01-15 → 2021-02-02Survey operations 18 jan thru 01 feb by M/V beautemps beaupre in areas bound by: a. 48-12N 008-15W, 48-07N…Celtic Sea
- HYDROLANT 2521/202020-08-14 → 2020-08-18Survey operations in progress until further notice by M/V ridley thomas along trackline joining 50-49N…Celtic Sea · Bristol Channel · England
- HYDROLANT 2466/202020-08-08 → 2020-08-11Survey operations in progress until further notice by M/V ridley thomas in vicinity of trackline joining…Celtic Sea · England
- HYDROLANT 2422/202020-08-03 → 2020-08-08Survey operations in progress until further notice by M/V ridley thomas in vicinity of trackline joining…Celtic Sea
- HYDROLANT 2372/202020-07-29 → 2020-08-03Survey operations in progress until further notice by M/V ridley thomas in vicinity of trackline joining…Celtic Sea
- HYDROLANT 2327/202020-07-24 → 2020-07-29Survey operations in progress until further notice by M/V ridley thomas in vicinity of trackline joining…Celtic Sea
- HYDROLANT 1689/202020-05-18 → 2020-07-05Survey operations 20 may thru 04 jul by M/V laperouse in areas bound by: a. 48-25N 008-12W, 48-18N 008-12W,…Celtic Sea · France
- HYDROLANT 1052/202020-03-20 → 2020-03-25Underwater operations 210600Z to 250001Z mar by M/V roxane z in: a. 48-04.20N 006-24.48WCeltic Sea · France
- HYDROLANT 909/192019-03-21 → 2019-03-23Underwater operations 211100Z to 232200Z mar by M/V roxane z in: a. 47-56.74N 006-36.77WCeltic Sea · France
- HYDROLANT 2854/182018-09-08 → 2018-10-27Survey operations by M/V la perouse: a. 100001Z to 250001Z sep in area bound by 48-45N 005-35W, 48-45N…Celtic Sea · Bay of Biscay · English Channel · France
- HYDROLANT 2464/182018-07-31 → 2018-08-07Underwater operations in progress until 070001Z aug by M/V jif explorer along trackline between 47-56N…Celtic Sea · France
- HYDROLANT 2023/182018-06-22 → 2018-06-25Survey operations in progress until further notice by unmanned five meter submersible in area bound by…Celtic Sea
- HYDROLANT 623/182018-02-22 → 2018-02-26Underwater operations 221700Z to 260001Z feb by M/V jif explorer in: a. 47-56.7N 006-36.8WCeltic Sea
- HYDROLANT 3636/172017-11-10 → 2017-11-14Underwater operations 140800Z to 142000Z nov in area within 40 miles of 47-40N 007-00WCeltic Sea
- HYDROLANT 2995/172017-09-23 → 2017-10-01Underwater operations 260001Z to 302359Z sep by M/V jif explorer in: a. 47-56.75N 006-36.78WCeltic Sea · France
- HYDROLANT 2871/172017-09-15 → 2017-10-28Survey operations 180001Z sep to 280001Z oct by M/V la perouse in area bound by 49-02N 005-37W, 48-56N…Celtic Sea · English Channel France
- HYDROLANT 2658/172017-08-31 → 2017-09-22Survey operations in progress until further notice by M/V franklin and M/V seabeam in area bound by 49-59.2N…Celtic Sea · Isles of Scilly
- HYDROLANT 2195/172017-07-14 → 2017-07-18Survey operations 170001Z to 172359Z jul by M/V la perouse in area bound by 48-24.38N 005-12.31W, 48-30.25N…English Channel · Bay of Biscay · France-northwest Coast
- HYDROLANT 1904/172017-06-20 → 2017-12-13Sub-surface scientific mooring, at depth 120 meters, established in 48-17.3N 005-40.0WCeltic Sea · France-northwest Coast
- HYDROLANT 1843/172017-06-13 → 2017-06-21Survey operations in progress until further notice by M/V icebeam in area bound by 49-35.0N 006-35.4W,…Celtic Sea · English Channel · England
- HYDROLANT 1629/172017-05-24 → 2017-07-12Underwater operations 290001Z may until further notice by M/V swordfish in: a. 47-56.75N 006-36.78WCeltic Sea · France-northwest Coast
- HYDROLANT 1591/172017-05-20 → 2017-06-02Survey operations in progress until further notice by M/V icebeam in area bound by 49-35.0N 006-35.4W,…Celtic Sea · English Channel · England-southwest Coast
- HYDROLANT 1241/172017-04-18 → 2017-05-27Survey operations 200001Z apr to 270001Z may by M/V la perouse in area bound by 49-02N 005-37W, 48-56N…Celtic Sea · English Channel France-northwest Coast
- HYDROLANT 214/172017-01-20 → 2017-01-22Underwater operations in progress until 222259Z jan by M/V jif explorer in: a. 47-56.75N 006-36.79WCeltic Sea
- HYDROLANT 175/172017-01-18 → 2017-01-20Underwater operations 182300Z to 202259Z jan by M/V jif explorer in: a. 47-56.75N 006-36.79WCeltic Sea
- HYDROLANT 3510/162016-12-28 → 2016-12-29Underwater operations 290700Z to 291700Z dec by M/V gif explorer in: a. 48-04.6N 006-24.4WCeltic Sea
- HYDROLANT 3184/162016-11-28 → 2016-12-01Oceanographic operations 292300Z nov to 010001Z dec by M/V thalassa in 48-26.68N 006-00.38WCeltic Sea
- HYDROLANT 3064/162016-11-17 → 2016-11-19Oceanographic operations 180001Z to 182359Z nov by M/V thalassa in: a. 48-42.41N 006-37.65WCeltic Sea
- HYDROLANT 3007/162016-11-13 → 2016-11-16Oceanographic operations 150001Z to 152359Z nov by M/V thalassa in area bound by 48-22.64N 006-59.25W,…Celtic Sea
- HYDROLANT 2939/162016-11-06 → 2016-11-09Oceanographic operations by M/V thalassa: a. 060001Z to 062359Z nov in area bound by 47-48.50N 006-25.55W,…Celtic Sea · France-northwest Coast
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.