305/2026

Archived

Received: 12 Oct 2026, 14:08Archived: 14 Oct 2026, 13:03Updated: 2 Nov 2026, 08:25

analysis

No longer in force

Acoustic measurements in Rade de Brest (Anse du Fret) on 14 Oct

Sea trials (acoustic, electric and magnetic ranges) will take place in the Lanvéoc area during week 42. Zodiac CMT CEPHEE will conduct acoustic measurements on the Grande Profondeur range in Anse du Fret on Wednesday 14 October 2026 from 11:00 to 14:00 UTC. Mariners should expect small craft and measurement activity in the range during this period.

Navigate with caution and keep clear of the measurement area; expect small survey craft operating in the range.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/survey/
Location: Rade de Brest, Anse du Fret (Lanvéoc ranges)
Validity: From 14 Oct 2026, 11:00 UTC
Until 14 Oct 2026, 14:00 UTCMercredi 14 octobre 2026 : Mesures Acoustiques sur la base Grande Profondeur de 11h00 à 14h00. (Semaine 42 du lundi 12 octobre 2026 au vendredi 16 octobre 2026)
Activity periods: 14 Oct 2026, 11:00 UTC - 14 Oct 2026, 14:00 UTC (Acoustic measurements on the Grande Profondeur range)
Hazards: acoustic measurements, small survey craft (Zodiacs)

Vessels involved

CMT CEPHEE · survey craft (Zodiac)

Generated automatically from the warning text on 12 Oct 2026, 14:27 UTC. It can be wrong: the original warning below is the authoritative text.

Message content

Lang

Area: RADE DE BREST Locality: ANSE DU FRET SEA_TRIALS During week 42 (from Monday 12 October 2026 to Friday 16 October 2026), planned activities on the Lanvéoc Acoustic, Electric and Magnetic ranges are: Zodiacs CMT CEPHEE: Wednesday 14 October 2026: Acoustic measurements on the Grande Profondeur range from 11h00 to 14h00.

Back to messages