1529/2026

Deployment of acoustic receivers in approaches to Cherbourg, Antifer and Baie de Seine until 31 Aug 2027

No longer in forceReceived 28 Sept 2026, 15:27 UTCArchived 04 Nov 2026, 09:24 UTC

Warning text

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Lang

Area: ANTIFER Locality: APPROACHES TO CHERBOURG, APPROACHES TO ANTIFER, BAIE DE SEINE ACOUSTIC_RECORDER In accordance with decision no. 2026/410/PREMAR MANCHE MER DU NORD/AEM/NP of 25/09/2026 and UNTIL 31 AUGUST 2027, DEPLOYMENT OF ACOUSTIC RECEIVERS IN THE FOLLOWING POSITIONS: DA 49-41.06N 000-01.88W Epave Etretat 49-43.94N 000-11.64E A5 49-45.81N 000-17.48W RTE_FGL 49-47.78N 000-00.68W Norfolk 49-28.87N 001-03.67W Nord Grandcamp-Maisy 49-24.72N 001-01.72W Est du Cardonnet 49-26.86N 001-01.14W Omaha beach 49-23.18N 000-51.95W Cussy 49-29.49N 000-43.22W Epave 6.5 M arromanches 49-26.85N 000-36.63W Le Parfond 49-27.35N 000-15.93W Svenner 49-27.70N 000-15.10W Seine 49-27.70N 000-00.60W Chant 6 49-29.73N 000-20.38W Northgate 49-30.28N 000-14.11W LHA 49-31.35N 000-09.86W Bombardons 49-21.67N 000-38.94W Harpagas 49-22.15N 000-37.61W Roseberry 49-23.09N 000-36.50W Courselles 49-21.27N 000-27.73W LFI 49-19.16N 000-05.88W LST Ouistreham 49-20.42N 000-14.81W Luc 49-20.74N 000-18.43W Bell Essart de Langrune 49-22.58N 000-21.33W Broadsword 49-25.33N 000-14.81W Lawford (HMS) 49-25.82N 000-23.76W HMS Plyades 49-25.70N 000-15.47W Epave nord Ouistreham 49-22.46N 000-14.80W RTE_CM1 49-20.83N 000-18.33W La Plate 49-43.74N 001-55.75W Basse Bréfort 49-43.74N 001-51.19W Saint Marcouf 49-29.63N 001-09.29W Iso C-l 49-25.45N 001-07.10W Fosse des Casquets 1 49-54.91N 002-02.63W Fosse des Casquets 2 49-54.68N 002-02.52W Deployment is carried out by vessels "Delphy", "L'Hydrophone", "Le Parce que". Do not hamper operations.

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Analysis

No longer in force

Acoustic receivers are being deployed at multiple positions in the approaches to Cherbourg, Antifer and across the Baie de Seine. The work is carried out under decision 2026/410/PREMAR and continues until 31 August 2027. Deployment vessels named in the message are Delphy, L'Hydrophone and Le Parce que. Mariners are requested not to hinder the operations.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: Approaches to Cherbourg, approaches to Antifer, Baie de Seine
Validity: Until 31 Aug 2027, 23:59 UTCCONFORMÉMENT ... DU 25/09/2026 et JUSQU'AU 31 AOUT 2027
Hazards: deployed acoustic receivers, survey/deployment vessels and operations

Worked out automatically from the warning text on 09 Oct 2026, 16:27 UTC. It can be wrong: the official warning text is the authority.

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This warning's analysis also has:

Action for mariners
Keep-clear distance
Ships named
Translations
Nearby lights and rescue centres

The action for mariners, the keep-clear distance, contacts, ships named, translations and the nearby lights and rescue centres come with Lagom and every higher plan, and with the API plans. The official warning text above is always free.

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